Why is Martin Zubimendi wearing a mask?

Zubimendi suffered a suspected broken nose in Arsenal's win over Everton on Saturday but has been cleared to play.

Arsenal midfielder Martin Zubimendi is wearing a protective mask in the Carabao Cup match at Fleetwood Town after sustaining a suspected broken nose during the closing stages of Saturday's 2-0 victory over Everton. The Spain international came on as an 80th-minute substitute and took a blow to the face but received treatment and has been passed fit to start. Manager Mikel Arteta named a strong squad for the cup tie despite a trip to Liverpool coming on Sunday, including three teenagers making their debuts or early appearances.