Calum Chambers' return to Arsenal training can help solve a major problem against Burnley.
The defender missed Thursday night's Carabao Cup semi-final defeat at the hands of Liverpool with a neck problem, thus making him doubtful for Sunday's Premier League clash.
And with Cedric Soares also absent it meant Arsenal manager Mikel Arteta had to take a gamble with Takehiro Tomiyasu against the Reds, despite the Japan international having no training sessions in the build-up to the game.
