Mikel Arteta admits Gabriel Jesus’ injury increases the need for Arsenal to make signings this month.The forward will be out for the season after suffering an ACL injury in Arsenal’s FA Cup exit

Mikel Arteta confirms 'very clear ideas' as Arsenal chase striker signing - Gunners on the hunt for reinforcements amid multiple injury blows

There is never a good time to lose a north London derby but for both Mikel Arteta and Ange Postecoglou a defeat on Wednesday would only serve to further rile fanbases whose murmurs of discontent have grown more audible.