Gabriel Jesus' knee injury is “not looking good,” Arsenal manager Mikel Arteta said Tuesday. The Brazil striker was taken off after 40 minutes in Arsenal's FA Cup loss to Manchester United on Sunday.

Arsenal manager Mikel Arteta has admitted Gabriel Jesus' knee injury is "not looking good," with sources telling ESPN the club fear he will miss the remainder of the season. The Athletic reported on Tuesday that Jesus suffered a ruptured ACL during Arsenal's penalty-shootout defeat to Manchester United.

Mikel Arteta has confirmed Arsenal are looking to sign a new striker in the remaining two weeks of the January transfer window. The Gunners are light on numbers in attack after a number of serious injuries.