Arsene Wenger admits Arsenal's bid for a top-four finish in the Premier League is in danger of ending in disaster unless his players toughen up.

Wenger's side is seven points adrift of fourth-placed Tottenham after slumping to a 2-1 defeat at London rival Chelsea on Sunday and its hopes of qualifying for the Champions League are looking increasingly bleak.

A week after waving the white flag all too quickly in a 2-0 loss against Manchester City, Arsenal once again paid the price for making a nervous start.