diff --git a/app.py b/app.py
index 7587e2b..7bc71c3 100644
--- a/app.py
+++ b/app.py
@@ -65,24 +65,26 @@ def json_to_db(data):
     db.session.query(Attendance).delete()
     db.session.query(Date).delete()
     db.session.query(GuestName).delete()
+    db.session.query(Player).delete()  # <-- Clear players so we can import new ones
     db.session.commit()
-    # Players are assumed fixed
+    # Insert players from JSON
+    for name in data.get("players", []):
+        db.session.add(Player(name=name))
+    db.session.commit()
+    # Now continue with dates, attendance, guest names as before...
     for date_str in data.get("dates", []):
         date = Date(date_str=date_str)
         db.session.add(date)
         db.session.commit()
-        # Attendance
         for idx, player_name in enumerate(data["players"] + [data["guest"]]):
             key = f"{date_str}|{idx}"
             status = data["attendance"].get(key)
             if status:
                 if player_name == data["guest"]:
-                    # Guest is not stored as player, skip
                     continue
                 player = Player.query.filter_by(name=player_name).first()
                 if player:
                     db.session.add(Attendance(date_id=date.id, player_id=player.id, status='yes' if status is True else 'no'))
-        # Guest name
         guest_name = data.get("guestNames", {}).get(date_str)
         if guest_name:
             db.session.add(GuestName(date_id=date.id, name=guest_name))