Chelsea v Arsenal - Confirmed lineups - Wenger sufferers massive injury blow

The Germany worldwide was rested for the Europa League win over Cologne on Thursday, but has not been passed fit to play at Stamford Bridge after reports suggested he was struggling with a muscle injury. Alex Iwobi and Alexandre Lacazette are behind striker Danny Welbeck.

"They can think that (they might have the measure on them) but they'd be wrong", Souness said. "All the others could have played against Cologne", Wenger said, as quoted on Arsenal's official site. The midfielder was making his first appearance for Arsenal in over a year and Wenger believes he is need of competition to get back to his best.

Chelsea host Arsenal in the first of Sunday's Premier League fixtures, knowing that a win could heap more pressure on Arsene Wenger's shoulders in a must-win game for the Gunners. Arsenal are also without Mesut Ozil, who has a knee issue. "It was three days before the end of the transfer window, that some had their heads half in and half out, it was special circumstances a bit, you have to consider that", he told reporters.

"Yes, it is good for him".

"It's just a question of how much you want it, no matter where you play".

"I have to see how he recovers from [facing Cologne] and decide afterwards with all the players available".

"Of course, we have the backbone to come back".

Arsenal, meanwhile, were handed another injury boost after Calum Chambers made his first appearance of the season after recovering from injury when the Arsenal Under-23 side beat their Leicester City counterparts 1-0 on Friday night (15 September). Manager Antonio Conte says the Belgium worldwide is close to returning to the starting XI.

Petr Cech returns in goal in place of David Ospina, while Per Mertesacker and Rob Holding are replaced by Shkodran Mustafi and Laurent Koscielny at the back.