Olympiakos v Arsenal (Kick-off 7.45pm). All the action from the Group B encounter at the Karaiskakis Stadium. The Gunners have already secured their place in the knockout stage, but will be looking to earn top spot in the table in the hope of gaining a more favourable last-16 draw. To do this they need a win tonight and for Schalke 04 to fail to beat Montpellier in the other match in the group. Tommy Martin presents, with analysis by Brian Kerr and commentary from Lou Macari and Trevor Welch. There's also coverage over on UTV if you'd prefer to look at Roy Keane and Adrian Chiles...