How bad was it? The stats The 10-2 aggregate defeat is the worst suffered by an English side in the Champions League. It was Arsenal's biggest home loss since November 1998 (5-0 against Chelsea in the League Cup). Only one Champions League tie has seen a greater margin of victory for a team - Bayern Munich v Sporting Lisbon (12-1, 2009). Only Barcelona (27 against Celtic) have scored more Champions League goals against a single opponent than Bayern have against Arsenal (26).