Didier Drogba, Michael Essien and Michael Ballack were all on the bench, though their absence was hardly noticed as Chelsea outplayed their hosts in the opening 45 minutes.

BBC: West Ham 0-1 Chelsea

Chelsea will have Michael Essien available again after suspension and he will be a huge boost for them.

BBC: Alan Hansen on the Champions League

Michael Essien wasted a good chance by shooting wide before Rosenborg took a shock lead after 24 minutes.

BBC: Chelsea 1-1 Rosenborg