Arsenal’s well-documented nightmare start to the season seems to have settled down after back-to-back victories over Shrewsbury and Bolton.
It has been reported that Theo Walcott has been ruled out with a knee problem, and Andrey Arshavin is likely to come in if that is the case.
Olympiakos favoured a 4-5-1 formation in their first Champions League tie of the season and given the pedigree of their opponents and the location of the game, it is likely they will do the same again.
