Paul Merson has criticised Arsenal's inconsistency after a torrid first half-hour saw them concede three goals against West Ham on Sunday.
Jesse Lingard, Jarrod Bowen and Tomas Soucek profited from diabolical defending to give the hosts a 3-0 lead after 32 minutes, before Arsenal fought back to draw 3-3 via own goals from Soucek and Craig Dawson, and an Alexandre Lacazette header.
Mikel Arteta's side played with much more vigour and intensity after the break, which Merson felt they should have done from the first whistle.
And the former Gunners midfielder says playing in the Champions League is a pipe dream if they cannot maintain their performances consistently.