diff --git a/app/discord_bot.py b/app/discord_bot.py
index f901281..b3102b3 100644
--- a/app/discord_bot.py
+++ b/app/discord_bot.py
@@ -683,9 +683,10 @@ class TeamTryoutsBot(commands.Bot):
             reference_id: ID of the MatchParticipant or TryoutRegistration record.
         """
         # Look up the DB user to get their Discord user ID
+        from app.extensions import db
         from app.models import User as DBUser
 
-        db_user = DBUser.query.get(user_id)
+        db_user = db.session.get(DBUser, user_id)
         if not db_user:
             logger.warning(f"DB user {user_id} not found for schedule notification")
             return None
@@ -754,7 +755,7 @@ class TeamTryoutsBot(commands.Bot):
         from app.models import OneOnOneRequest
 
         try:
-            request = OneOnOneRequest.query.get(request_id)
+            request = db.session.get(OneOnOneRequest, request_id)
             if not request:
                 # The row is gone; no reaction on this message can ever mean
                 # anything again. Keeping the mapping is what PENDING_MAX_AGE_DAYS
@@ -825,7 +826,7 @@ class TeamTryoutsBot(commands.Bot):
         from app.models import OneOnOneRequest
 
         try:
-            request = OneOnOneRequest.query.get(request_id)
+            request = db.session.get(OneOnOneRequest, request_id)
             if not request:
                 logger.info(
                     'One on One request %s no longer exists; its pending message was dropped.',
@@ -918,12 +919,13 @@ class TeamTryoutsBot(commands.Bot):
         Returns:
             tuple: (row, player_id) — either may be None.
         """
+        from app.extensions import db
         from app.models import MatchParticipant, TryoutRegistration
 
         if event_type == 'match':
-            row = MatchParticipant.query.get(reference_id)
+            row = db.session.get(MatchParticipant, reference_id)
         elif event_type == 'tryout':
-            row = TryoutRegistration.query.get(reference_id)
+            row = db.session.get(TryoutRegistration, reference_id)
         else:
             row = None
         return row, getattr(row, 'player_id', None)
@@ -937,11 +939,12 @@ class TeamTryoutsBot(commands.Bot):
         attendance handlers did not (OPS-009) — same message shape, same
         threat, one of them checked. The asymmetry was the bug.
         """
+        from app.extensions import db
         from app.models import User
 
         if not player_id:
             return False
-        owner = User.query.get(player_id)
+        owner = db.session.get(User, player_id)
         return bool(owner and owner.discord_user_id == str(reacting_user.id))
 
     async def handle_attendance_confirm(self, player, message_id, reference_id, channel):
diff --git a/app/models/contract.py b/app/models/contract.py
index 889a9ac..c18ea94 100644
--- a/app/models/contract.py
+++ b/app/models/contract.py
@@ -57,7 +57,7 @@ class Contract(db.Model):
         if isinstance(user, Admin):
             return True
         if isinstance(user, Manager):
-            player = User.query.get(self.player_id)
+            player = db.session.get(User, self.player_id)
             if player and player.get_org_teams():
                 return True
         if isinstance(user, Coach):
diff --git a/app/routes/evaluations.py b/app/routes/evaluations.py
index a6aa2cc..e9d0c20 100644
--- a/app/routes/evaluations.py
+++ b/app/routes/evaluations.py
@@ -27,6 +27,14 @@ from app.validators import EvaluationSchema
 evaluations_bp = Blueprint('evaluations', __name__, url_prefix='/evaluations')
 
 
+def _users_by_id(user_ids):
+    """Load a set of users once for aggregate/list views."""
+    wanted = {user_id for user_id in user_ids if user_id}
+    if not wanted:
+        return {}
+    return {user.id: user for user in User.query.filter(User.id.in_(wanted)).all()}
+
+
 @evaluations_bp.route('')
 @login_required
 def list_evaluations():
@@ -85,9 +93,10 @@ def list_evaluations():
             .group_by(Evaluation.player_id)
             .all()
         )
+        players_by_id = _users_by_id(row.player_id for row in avg_scores)
         player_scores = {}
         for row in avg_scores:
-            p = User.query.get(row.player_id)
+            p = players_by_id.get(row.player_id)
             if p:
                 player_scores[p.id] = {
                     'player': p,
@@ -126,7 +135,7 @@ def evaluate_player(tryout_id, player_id):
         flash(_('You do not have permission to evaluate players.'), 'danger')
         return redirect(url_for('main.dashboard'))
 
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('You do not have permission to evaluate players in this tryout.'), 'danger')
         return redirect(url_for('tryouts.list_tryouts'))
@@ -142,7 +151,7 @@ def evaluate_player(tryout_id, player_id):
         flash(_('Player is not registered for this tryout.'), 'danger')
         return redirect(url_for('tryouts.view_tryout', tryout_id=tryout_id))
 
-    player = User.query.get_or_404(player_id)
+    player = db.get_or_404(User, player_id)
     if not isinstance(player, Player):
         flash(_('Can only evaluate players.'), 'danger')
         return redirect(url_for('tryouts.view_tryout', tryout_id=tryout_id))
@@ -160,8 +169,10 @@ def evaluate_player(tryout_id, player_id):
                 tryout_id=tryout_id,
                 player_id=player_id,
             ).all()
+            evaluators_by_id = _users_by_id(e.evaluator_id for e in all_evaluations)
             evaluators = [
-                {'evaluator': User.query.get(e.evaluator_id), 'eval': e} for e in all_evaluations
+                {'evaluator': evaluators_by_id.get(e.evaluator_id), 'eval': e}
+                for e in all_evaluations
             ]
 
         return render_template(
@@ -210,21 +221,27 @@ def players_to_evaluate(tryout_id):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('main.dashboard'))
 
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('You do not have permission to evaluate players in this tryout.'), 'danger')
         return redirect(url_for('tryouts.list_tryouts'))
 
     registrations = TryoutRegistration.query.filter_by(tryout_id=tryout_id).all()
-    players = []
-    for reg in registrations:
-        p = User.query.get(reg.player_id)
-        if p and isinstance(p, Player):
-            existing = Evaluation.query.filter_by(
-                tryout_id=tryout_id,
-                player_id=p.id,
-                evaluator_id=current_user.id,
-            ).first()
-            players.append({'player': p, 'evaluated': existing is not None, 'registration': reg})
+    players_by_id = _users_by_id(reg.player_id for reg in registrations)
+    evaluated_player_ids = {
+        player_id
+        for (player_id,) in db.session.query(Evaluation.player_id)
+        .filter_by(tryout_id=tryout_id, evaluator_id=current_user.id)
+        .all()
+    }
+    players = [
+        {
+            'player': player,
+            'evaluated': player.id in evaluated_player_ids,
+            'registration': registration,
+        }
+        for registration in registrations
+        if (player := players_by_id.get(registration.player_id)) and isinstance(player, Player)
+    ]
 
     return render_template('pages/players_to_evaluate.html', tryout=tryout, players=players)
diff --git a/app/routes/main.py b/app/routes/main.py
index 2691b3d..5696c29 100644
--- a/app/routes/main.py
+++ b/app/routes/main.py
@@ -223,20 +223,18 @@ def dashboard():
     elif isinstance(user, Scout):
         stats['total_players'] = User.query.filter_by(role='player').count()
         stats['total_evaluations'] = Evaluation.query.count()
-        stats['avg_scores'] = (
+        top_rows = (
             db.session.query(
-                Evaluation.player_id,
+                User,
                 func.avg(Evaluation.overall_score).label('avg_score'),
             )
-            .group_by(Evaluation.player_id)
-            .order_by(func.avg(Evaluation.overall_score).desc())
+            .join(Evaluation, Evaluation.player_id == User.id)
+            .filter(User.role == 'player')
+            .group_by(User.id)
+            .order_by(func.avg(Evaluation.overall_score).desc(), User.id)
             .limit(5)
             .all()
         )
-        stats['top_players'] = []
-        for row in stats['avg_scores']:
-            p = User.query.get(row.player_id)
-            if p:
-                stats['top_players'].append((p, round(row.avg_score, 1)))
+        stats['top_players'] = [(player, round(avg_score, 1)) for player, avg_score in top_rows]
 
     return render_template('pages/dashboard.html', user=user, stats=stats)
diff --git a/app/routes/matches.py b/app/routes/matches.py
index d7cfa43..6f6f4ed 100644
--- a/app/routes/matches.py
+++ b/app/routes/matches.py
@@ -289,7 +289,7 @@ def api_events():
 @login_required
 def api_events_for_tryout(tryout_id):
     """API endpoint returning calendar events for a specific tryout."""
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     can_view = current_user.can_manage_this_tryout(tryout)
 
     is_registered = False
@@ -378,7 +378,7 @@ def api_events_for_tryout(tryout_id):
 @login_required
 def create_match(tryout_id):
     """Create a new match / scrimmage within a tryout."""
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('You do not have permission to schedule matches for this tryout.'), 'danger')
         return redirect(url_for('tryouts.view_tryout', tryout_id=tryout_id))
@@ -452,7 +452,7 @@ def create_match(tryout_id):
 @login_required
 def edit_match(match_id):
     """Edit an existing match."""
-    match = Match.query.get_or_404(match_id)
+    match = db.get_or_404(Match, match_id)
     tryout = match.tryout
 
     if not current_user.can_manage_this_tryout(tryout):
@@ -582,7 +582,7 @@ def api_manageable_tryouts():
 @login_required
 def delete_match(match_id):
     """Delete a match."""
-    match = Match.query.get_or_404(match_id)
+    match = db.get_or_404(Match, match_id)
     tryout = match.tryout
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('You do not have permission to delete this match.'), 'danger')
@@ -669,10 +669,10 @@ def api_available_players(date, time):
 @login_required
 def toggle_presence(match_id, participant_id):
     """Toggle attendance_confirmed for a match participant."""
-    match = Match.query.get_or_404(match_id)
+    match = db.get_or_404(Match, match_id)
     tryout = match.tryout
 
-    participant = MatchParticipant.query.get_or_404(participant_id)
+    participant = db.get_or_404(MatchParticipant, participant_id)
     if participant.match_id != match_id:
         return jsonify({'error': 'Participant does not belong to this match'}), 400
 
diff --git a/app/routes/team_matches.py b/app/routes/team_matches.py
index bf45954..7671c94 100644
--- a/app/routes/team_matches.py
+++ b/app/routes/team_matches.py
@@ -108,7 +108,7 @@ def list_matches():
 @login_required
 def create_match(team_id):
     """Create a new regular-season team match."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not can_manage_team_match(team):
         flash(_('You do not have permission to schedule matches for this team.'), 'danger')
         return redirect(url_for('team_matches.list_matches'))
@@ -213,7 +213,7 @@ def create_match(team_id):
 @login_required
 def edit_match(match_id):
     """Edit an existing team match."""
-    team_match = TeamMatch.query.get_or_404(match_id)
+    team_match = db.get_or_404(TeamMatch, match_id)
     team = team_match.org_team
 
     if not can_manage_team_match(team):
@@ -259,7 +259,7 @@ def edit_match(match_id):
 @login_required
 def delete_match(match_id):
     """Delete a team match."""
-    team_match = TeamMatch.query.get_or_404(match_id)
+    team_match = db.get_or_404(TeamMatch, match_id)
     team = team_match.org_team
     if not can_manage_team_match(team):
         flash(_('You do not have permission to delete this match.'), 'danger')
@@ -293,10 +293,10 @@ def api_manageable_teams():
 @login_required
 def toggle_presence(match_id, participant_id):
     """Toggle is_confirmed for a team match participant."""
-    team_match = TeamMatch.query.get_or_404(match_id)
+    team_match = db.get_or_404(TeamMatch, match_id)
     team = team_match.org_team
 
-    participant = TeamMatchParticipant.query.get_or_404(participant_id)
+    participant = db.get_or_404(TeamMatchParticipant, participant_id)
     if participant.team_match_id != match_id:
         return jsonify({'error': 'Participant does not belong to this match'}), 400
 
diff --git a/app/routes/teams.py b/app/routes/teams.py
index 898a22e..9698d2a 100644
--- a/app/routes/teams.py
+++ b/app/routes/teams.py
@@ -223,7 +223,7 @@ def create_team():
 @login_required
 def edit_team(team_id):
     """Edit an existing organization team."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         flash(_('You do not have permission to edit this team.'), 'danger')
         return redirect(url_for('teams.list_teams'))
@@ -294,7 +294,7 @@ def delete_team(team_id):
     day `Manager.can_manage_this_org_team` is narrowed — which it should be —
     deletion narrows with it instead of staying the one way in.
     """
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
 
     if not (current_user.can_manage_teams() and current_user.can_manage_this_org_team(team)):
         flash(_('You do not have permission to delete teams.'), 'danger')
@@ -336,7 +336,7 @@ def delete_team(team_id):
 @login_required
 def add_coach(team_id):
     """Add a coach to an organization team."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('teams.list_teams'))
@@ -379,7 +379,7 @@ def add_coach(team_id):
 @login_required
 def add_manager(team_id):
     """Add a manager to an organization team."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('teams.list_teams'))
@@ -422,7 +422,7 @@ def add_manager(team_id):
 @login_required
 def remove_coach(team_id):
     """Remove a coach from an organization team."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('teams.list_teams'))
@@ -450,7 +450,7 @@ def remove_coach(team_id):
 @login_required
 def remove_manager(team_id):
     """Remove a manager from an organization team."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('teams.list_teams'))
@@ -478,7 +478,7 @@ def remove_manager(team_id):
 @login_required
 def add_player(team_id):
     """Add a player to an organization team."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('teams.list_teams'))
@@ -515,12 +515,12 @@ def add_player(team_id):
 @login_required
 def remove_player(team_id, player_id):
     """Remove a player from an organization team."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('teams.list_teams'))
 
-    player = User.query.get_or_404(player_id)
+    player = db.get_or_404(User, player_id)
     tp = TeamPlayer.query.filter_by(player_id=player_id, org_team_id=team_id).first()
     if not tp:
         flash(
@@ -543,7 +543,7 @@ def remove_player(team_id, player_id):
 @login_required
 def toggle_player_status(team_id, player_id):
     """Toggle a player's status between starter and substitute."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         return jsonify({'error': 'Permission denied'}), 403
 
@@ -567,7 +567,7 @@ def toggle_player_status(team_id, player_id):
 @login_required
 def add_team_note(team_id):
     """Add a team improvement note (coaches only)."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         flash(_('You do not have permission to add notes to this team.'), 'danger')
         return redirect(url_for('teams.list_teams'))
@@ -589,12 +589,12 @@ def add_team_note(team_id):
 @login_required
 def add_player_note(team_id, player_id):
     """Add a personal note for a player (coaches only)."""
-    team = OrgTeam.query.get_or_404(team_id)
+    team = db.get_or_404(OrgTeam, team_id)
     if not current_user.can_manage_this_org_team(team):
         flash(_('You do not have permission to add notes to this team.'), 'danger')
         return redirect(url_for('teams.list_teams'))
 
-    player = User.query.get_or_404(player_id)
+    player = db.get_or_404(User, player_id)
     if not isinstance(player, Player):
         flash(_('Can only add notes for players.'), 'danger')
         return redirect(url_for('teams.list_teams'))
diff --git a/app/routes/tryouts.py b/app/routes/tryouts.py
index 7caadeb..af99be7 100644
--- a/app/routes/tryouts.py
+++ b/app/routes/tryouts.py
@@ -179,7 +179,7 @@ def create_tryout():
 @login_required
 def edit_tryout(tryout_id):
     """Edit an existing tryout event. Permission based on can_manage_this_tryout."""
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
 
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('You do not have permission to edit this tryout.'), 'danger')
@@ -236,7 +236,7 @@ def edit_tryout(tryout_id):
 @login_required
 def view_tryout(tryout_id):
     """View a specific tryout with all details. Permission via polymorphic dispatch."""
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
 
     can_view = False
     if isinstance(current_user, Admin):
@@ -466,7 +466,7 @@ def register_for_tryout(tryout_id):
 @login_required
 def update_status(tryout_id):
     """Update the status of a tryout."""
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('tryouts.list_tryouts'))
@@ -486,7 +486,7 @@ def update_status(tryout_id):
 @login_required
 def update_registration_status(tryout_id, player_id):
     """Update a registration's attendance status."""
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('tryouts.list_tryouts'))
@@ -557,12 +557,12 @@ def register_player(tryout_id):
 @login_required
 def remove_player(tryout_id, player_id):
     """Remove a registered player from a tryout (cascades to teams/matches)."""
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('tryouts.list_tryouts'))
 
-    player = User.query.get_or_404(player_id)
+    player = db.get_or_404(User, player_id)
 
     registration = TryoutRegistration.query.filter_by(
         tryout_id=tryout_id, player_id=player_id
@@ -593,7 +593,7 @@ def remove_player(tryout_id, player_id):
 @login_required
 def create_team(tryout_id):
     """Create a tryout-specific team."""
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('tryouts.view_tryout', tryout_id=tryout_id))
@@ -615,8 +615,8 @@ def create_team(tryout_id):
 @login_required
 def add_to_team(tryout_id, team_id):
     """Add a player to a tryout team."""
-    team = Team.query.get_or_404(team_id)
-    tryout = Tryout.query.get_or_404(tryout_id)
+    team = db.get_or_404(Team, team_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('Permission denied.'), 'danger')
         return redirect(url_for('tryouts.view_tryout', tryout_id=tryout_id))
@@ -658,7 +658,7 @@ def add_to_team(tryout_id, team_id):
 @login_required
 def delete_tryout(tryout_id):
     """Delete a tryout and all associated data (matches, teams, registrations, evaluations)."""
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('You do not have permission to delete this tryout.'), 'danger')
         return redirect(url_for('tryouts.list_tryouts'))
diff --git a/app/routes/users/accounts.py b/app/routes/users/accounts.py
index c4dc991..1b64b82 100644
--- a/app/routes/users/accounts.py
+++ b/app/routes/users/accounts.py
@@ -70,7 +70,7 @@ def edit_user(user_id):
         flash(_('Only the president can edit users.'), 'danger')
         return redirect(url_for('main.dashboard'))
 
-    user = User.query.get_or_404(user_id)
+    user = db.get_or_404(User, user_id)
 
     if request.method == 'POST':
         actor_name, actor_id = current_user.username, current_user.id
@@ -253,7 +253,7 @@ def delete_user(user_id):
         flash(_('You cannot delete your own account.'), 'danger')
         return redirect(url_for('users.list_users'))
 
-    user = User.query.get_or_404(user_id)
+    user = db.get_or_404(User, user_id)
 
     Evaluation.query.filter(
         db.or_(Evaluation.evaluator_id == user_id, Evaluation.player_id == user_id),
@@ -379,5 +379,5 @@ def create_user():
 @login_required
 def view_user(user_id):
     """View a public profile for any user."""
-    user = User.query.get_or_404(user_id)
+    user = db.get_or_404(User, user_id)
     return render_template('pages/view_user.html', profile_user=user)
diff --git a/app/routes/users/availability.py b/app/routes/users/availability.py
index 6f30fb2..fcd3400 100644
--- a/app/routes/users/availability.py
+++ b/app/routes/users/availability.py
@@ -193,7 +193,7 @@ def clear_disponibilities():
 @login_required
 def delete_disponibility(disponibility_id):
     """Delete a disponibility block."""
-    disponibility = PlayerDisponibility.query.get_or_404(disponibility_id)
+    disponibility = db.get_or_404(PlayerDisponibility, disponibility_id)
     if disponibility.player_id != current_user.id:
         return jsonify({'error': 'Unauthorized'}), 403
     db.session.delete(disponibility)
diff --git a/app/routes/users/contracts.py b/app/routes/users/contracts.py
index eda1c8b..ec9df0e 100644
--- a/app/routes/users/contracts.py
+++ b/app/routes/users/contracts.py
@@ -111,7 +111,7 @@ def upload_contract():
             flash(error, 'danger')
             return redirect(url_for('users.upload_contract'))
 
-        player = User.query.get_or_404(player_id)
+        player = db.get_or_404(User, player_id)
         player_teams = player.get_org_teams()
         team = player_teams[0] if player_teams else None
 
@@ -154,7 +154,7 @@ def upload_contract():
 @login_required
 def upload_signed_contract(contract_id):
     """Upload a signed contract (player only)."""
-    contract = Contract.query.get_or_404(contract_id)
+    contract = db.get_or_404(Contract, contract_id)
     if not contract.can_upload_signed(current_user):
         flash(_('Only the player can upload their signed contract.'), 'danger')
         return redirect(url_for('users.list_contracts'))
@@ -182,7 +182,7 @@ def upload_signed_contract(contract_id):
 @login_required
 def download_contract(contract_id):
     """Download a contract file."""
-    contract = Contract.query.get_or_404(contract_id)
+    contract = db.get_or_404(Contract, contract_id)
     if not contract.can_view(current_user):
         flash(_('You do not have permission to download this contract.'), 'danger')
         return redirect(url_for('users.list_contracts'))
@@ -197,7 +197,7 @@ def download_contract(contract_id):
 @login_required
 def download_signed_contract(contract_id):
     """Download a signed contract file."""
-    contract = Contract.query.get_or_404(contract_id)
+    contract = db.get_or_404(Contract, contract_id)
     if not contract.can_view(current_user):
         flash(_('You do not have permission to download this contract.'), 'danger')
         return redirect(url_for('users.list_contracts'))
diff --git a/app/routes/users/notes.py b/app/routes/users/notes.py
index c69df65..2433e1e 100644
--- a/app/routes/users/notes.py
+++ b/app/routes/users/notes.py
@@ -217,7 +217,7 @@ def manage_personal_notes():
         return redirect(url_for('users.notes_dashboard'))
     player_id = data['player_id']
 
-    player = User.query.get_or_404(player_id)
+    player = db.get_or_404(User, player_id)
     if not isinstance(player, Player):
         flash(_('Can only add notes for players.'), 'danger')
         return redirect(url_for('users.notes_dashboard'))
@@ -257,7 +257,7 @@ def add_personal_note():
         return redirect(url_for('users.notes_dashboard'))
     player_id = data['player_id']
 
-    player = User.query.get_or_404(player_id)
+    player = db.get_or_404(User, player_id)
     if not isinstance(player, Player):
         flash(_('Can only add notes for players.'), 'danger')
         return redirect(url_for('users.notes_dashboard'))
@@ -267,7 +267,7 @@ def add_personal_note():
         return redirect(url_for('users.notes_dashboard'))
 
     if data['match_id']:
-        match = Match.query.get_or_404(data['match_id'])
+        match = db.get_or_404(Match, data['match_id'])
         if not current_user.can_manage_this_tryout(match.tryout):
             flash(_('You cannot use that match as note context.'), 'danger')
             return redirect(url_for('users.notes_dashboard'))
@@ -276,7 +276,7 @@ def add_personal_note():
             return redirect(url_for('users.notes_dashboard'))
 
     if data['tryout_id']:
-        tryout = Tryout.query.get_or_404(data['tryout_id'])
+        tryout = db.get_or_404(Tryout, data['tryout_id'])
         if not current_user.can_manage_this_tryout(tryout):
             flash(_('You cannot use that tryout as note context.'), 'danger')
             return redirect(url_for('users.notes_dashboard'))
@@ -285,7 +285,7 @@ def add_personal_note():
             return redirect(url_for('users.notes_dashboard'))
 
     if data['team_id']:
-        team = Team.query.get_or_404(data['team_id'])
+        team = db.get_or_404(Team, data['team_id'])
         if not current_user.can_manage_this_tryout(team.tryout):
             flash(_('You cannot use that team as note context.'), 'danger')
             return redirect(url_for('users.notes_dashboard'))
@@ -320,7 +320,7 @@ def add_note_from_tryout(tryout_id):
         flash(_('Only coaches can add personal notes.'), 'danger')
         return redirect(url_for('main.dashboard'))
 
-    tryout = Tryout.query.get_or_404(tryout_id)
+    tryout = db.get_or_404(Tryout, tryout_id)
     if not current_user.can_manage_this_tryout(tryout):
         flash(_('You do not have permission to add notes for this tryout.'), 'danger')
         return redirect(url_for('users.notes_dashboard'))
@@ -384,7 +384,7 @@ def add_note_from_match(match_id):
         flash(_('Only coaches can add personal notes.'), 'danger')
         return redirect(url_for('main.dashboard'))
 
-    match_obj = Match.query.get_or_404(match_id)
+    match_obj = db.get_or_404(Match, match_id)
     if not current_user.can_manage_this_tryout(match_obj.tryout):
         flash(_('You do not have permission to add notes for this match.'), 'danger')
         return redirect(url_for('users.notes_dashboard'))
diff --git a/app/routes/users/one_on_one.py b/app/routes/users/one_on_one.py
index bccba76..cd3a612 100644
--- a/app/routes/users/one_on_one.py
+++ b/app/routes/users/one_on_one.py
@@ -166,7 +166,7 @@ def accept_one_on_one(request_id):
         flash(_('Only coaches can accept One on One requests.'), 'danger')
         return redirect(url_for('main.dashboard'))
 
-    request_obj = OneOnOneRequest.query.get_or_404(request_id)
+    request_obj = db.get_or_404(OneOnOneRequest, request_id)
 
     if request_obj.coach_id != current_user.id:
         flash(_('This request is not for you.'), 'danger')
@@ -216,7 +216,7 @@ def reject_one_on_one(request_id):
         flash(_('Only coaches can reject One on One requests.'), 'danger')
         return redirect(url_for('main.dashboard'))
 
-    request_obj = OneOnOneRequest.query.get_or_404(request_id)
+    request_obj = db.get_or_404(OneOnOneRequest, request_id)
 
     if request_obj.coach_id != current_user.id:
         flash(_('This request is not for you.'), 'danger')
diff --git a/tests/test_bot_error_families.py b/tests/test_bot_error_families.py
index 919626c..8eba102 100644
--- a/tests/test_bot_error_families.py
+++ b/tests/test_bot_error_families.py
@@ -150,9 +150,10 @@ def _pending(bot, message_id, row_id):
 
 
 def _confirmed(row_id):
+    from app.extensions import db
     from app.models import MatchParticipant
 
-    return MatchParticipant.query.get(row_id).attendance_confirmed
+    return db.session.get(MatchParticipant, row_id).attendance_confirmed
 
 
 class TestTheDatabaseRefusedTheWrite:
diff --git a/tests/test_query_shape.py b/tests/test_query_shape.py
index 098d478..a8e1237 100644
--- a/tests/test_query_shape.py
+++ b/tests/test_query_shape.py
@@ -269,6 +269,78 @@ class TestRegisteredPlayersForMatchForm:
         assert counter.total == 1
 
 
+class TestEvaluationLists:
+    """Evaluation pages must not issue one lookup per player or evaluator."""
+
+    def test_players_to_evaluate_has_a_fixed_query_budget(
+        self, app, client, as_role, make_user, count_queries
+    ):
+        coach_id = as_role('coach')
+        admin_id = make_user('admin')
+        player_ids = [make_user('player') for _ in range(12)]
+
+        with app.app_context():
+            tryout = Tryout(
+                title='Evaluation budget',
+                game='Valorant',
+                date=date(2030, 3, 1),
+                created_by=admin_id,
+                coach_id=coach_id,
+            )
+            db.session.add(tryout)
+            db.session.flush()
+            for player_id in player_ids:
+                db.session.add(TryoutRegistration(tryout_id=tryout.id, player_id=player_id))
+            db.session.commit()
+            tryout_id = tryout.id
+
+            counter = count_queries()
+            try:
+                response = client.get(f'/evaluations/{tryout_id}/players')
+            finally:
+                counter.stop()
+
+        assert response.status_code == 200
+        assert 1 <= counter.total <= 10, f'{counter.total} SELECTs for 12 players'
+
+    def test_scout_top_players_are_loaded_with_the_aggregate(
+        self, app, client, as_role, make_user, count_queries
+    ):
+        as_role('scout')
+        evaluator_id = make_user('coach')
+        admin_id = make_user('admin')
+        player_ids = [make_user('player') for _ in range(12)]
+
+        with app.app_context():
+            tryout = Tryout(
+                title='Scout budget',
+                game='Valorant',
+                date=date(2030, 3, 1),
+                created_by=admin_id,
+            )
+            db.session.add(tryout)
+            db.session.flush()
+            for score, player_id in enumerate(player_ids, start=1):
+                db.session.add(
+                    Evaluation(
+                        player_id=player_id,
+                        evaluator_id=evaluator_id,
+                        tryout_id=tryout.id,
+                        overall_score=score,
+                    )
+                )
+            db.session.commit()
+
+            counter = count_queries()
+            try:
+                response = client.get('/dashboard')
+            finally:
+                counter.stop()
+
+        assert response.status_code == 200
+        assert 1 <= counter.total <= 6, f'{counter.total} SELECTs for the scout dashboard'
+
+
 class TestViewTryout:
     """PERF-001 — the most-visited page in the application ran one query
     per registration, one per player evaluated, one per team, and one per
diff --git a/tests/test_storage.py b/tests/test_storage.py
index 434c2be..e96197d 100644
--- a/tests/test_storage.py
+++ b/tests/test_storage.py
@@ -135,9 +135,11 @@ class TestThroughTheUploadRoute:
             contract_id = Contract.query.one().id
 
         response = client.get(f'/users/contracts/{contract_id}/download')
-
-        assert response.status_code == 200
-        assert response.data.startswith(b'%PDF-')
+        try:
+            assert response.status_code == 200
+            assert response.data.startswith(b'%PDF-')
+        finally:
+            response.close()
 
 
 def _pdf():