A scan revealed that Campbell's injury was very serious indeed, and he will be out of action for some time. However, Everton have completed the signing of 17 year old Lazio forward Patrizio Pascucci, but he will not be a first team player yet.
This leaves David Moyes with only Thomas Radzinski and Nick Chadwick as attackign options for the game against Arsenal, with the possibility of Leon Osman coming on at some point.