Champions League roundup/LYON v WERDER BREMEN: Over the moon after their 3-0 win in Bremen two weeks ago, Olympique Lyon have crashed to earth in the past week and need to regain their poise ahead of tonight's Champions League game against Werder Bremen.

Statistics strongly favour the French champions and league leaders in the knockout round second leg tie - no team has come back from a 3-0 home defeat to qualify for the next round of the European Cup.

Lyon seemed serene a week ago, having lost only three games since the season's start, one in the Champions League against Manchester United and two against Lille in domestic competition.

Since then, however, their momentum has been checked by a shock elimination from the French Cup by second division Clermont and a 1-0 defeat at Caen on Friday.

A hectic schedule of seven games in 23 days has taken its toll in terms of injuries as Lyon lost defenders Claudio Cacapa, Anthony Reveillere and captain and striker Sidney Govou.

Govou will be back for tonight's game but Reveillere is certainly out. A last minute decision will be made on Cacapa and the Lyon camp is clearly nervous.

The good news for Bremencoach Thomas Schaaf is the return from suspension of captain Frank Baumann.

ARSENAL v MUNICH: Arsenal, 3-1 down, expect midfielder Robert Pires to be fit to face Bayern Munich in their crucial return leg at Highbury tomorrow night.

His return to fitness will be a much-needed boost for Wenger who is without defenders Pascal Cygan and Sol Campbell through injury.

LIVERPOOL v BAYERN LEVERKUSEN: Liverpool's Jerzy Dudek, Dietmar Hamann and Harry Kewell should be fit for their match against Bayern Leverkusen. Defender Djimi Traore is ruled out with a thigh strain but midfielder Steven Gerrard returns after missing the first leg through suspension.

Leverkusen will be without Brazilian defender Juan because of an ankle injury.