Arsène Wenger will make changes to his settled back four, which has been instrumental in the club's recent form, as he hopes to go five points clear in third place with victory at Wolverhampton Wanderers on Wednesday night.

Laurent Koscielny is suspended and Kieran Gibbs out with groin trouble – they will be replaced by Johan Djourou and André Santos respectively – while Bacary Sagna has emerged as a doubt with the bruises that he received from Manchester City's Mario Balotelli on Sunday.

Koscielny's two-match ban for his 10th yellow card of the season against City has left Wenger perplexed. "As we understand the situation, with a red card, he would have been less suspended than with one yellow after 10 bookings," the Arsenal manager said. "It is not completely logical."