David Seaman has been passed fit for Arsenal's Champions League tie at home to Valencia tomorrow.
Seaman has recovered from the groin injury which has kept him out of five of the last six games.
Captain Patrick Vieira is suffering from muscular damage to his thigh and is rated doubtful.
Roma duo Marco Delvecchio and Damiano Tomassi have failed to overcome injuries and will not play against Ajax tomorrow.
Striker Delvecchio has a muscular injury in his left leg while midfielder Tomassi is nursing a bruised foot.
Defender Christian Panucci has recovered from a hip injury and will play.
Roma desperately need a win in Holland after losing their first phase match at home to Arsenal last month.
