Real Madrid's Kylian Mbappe returned from injury during a 1-0 Champions League loss to Lille, where Jonathan David's penalty secured Lille's victory. Thibaut Courtois is sidelined with an abductor injury, expected to return mid-October, with Andriy Lunin stepping in as goalkeeper. Real Madrid also faced criticism over Aurelien Tchouameni's performance in a recent draw against Atletico Madrid. Meanwhile, Barcelona suffered a 4-2 defeat to Osasuna, with their fans voicing discontent over player performances and squad choices by manager Hansi Flick. Despite the loss, Barcelona remains top of La Liga, four points ahead of Real Madrid. Barcelona's players have expressed a strong desire to win the Champions League this season, despite recent setbacks.