Arsene Wenger: 'Arsenal not good enough against Nottingham Forest'

Arsenal boss Arsene Wenger has admitted that his side's performance was "not good enough" during their shock 4-2 reverse at Nottingham Forest in the third round of the FA Cup.

"We played a very good Forest team who were sharp and focused. The challenges were decisive. Overall our performance wasn't good enough," Wenger told BBC Sport. "We have many players on the edge and we play again on Wednesday. When you don't win the selection is always questioned. I believe we had an experienced team - eight or nine internationals. It would be easy to think that was the problem. "When you're against a team like that they're very difficult to beat. Defensively you cannot afford the mistakes we made."