Hector Bellerin bemoaned Arsenal's attitude as they fell to a 3-1 defeat by Liverpool and slipped further from the top four places in the Premier League.
Arsene Wenger has shouldered much of the blame for dropping star man Alexis Sanchez - perhaps with one eye on the Champions League in midweek - but Bellerin believes his side did not start in the right manner.
'We're very frustrated with how the game went,' Bellerin told Arsenal's official website. 'After the tough weeks we've had the team should have gone onto the pitch, motivated and ready from the start.