(CNN) -- Thierry Henry snatched Champions League favorites Barcelona a crucial away goal in a 1-1 Champions League draw against Lyon at Stade Gerland.
Henry celebrates after scoring a vital away goal for Champions League favorites Barcelona.
Lyon went ahead after seven minutes when Juninho netted with a superb trademark free-kick over the head of the out-of-position Victor Valdes.
Barca claimed the leveller after 67 minutes when Xavi's corner was flicked on by Rafael Marquez and former Arsenal striker Henry finished off the move with a header at the far post.
Porto goalkeeper Helton was let off the hook as his side recovered from his first-half howler to claim a 2-2 draw at Atletico Madrid.
Maxi Rodriguez's third-minute opener for the hosts was cancelled out by Lisandro Lopez's leveller midway through the half.
Atletico were gifted the lead again on the stroke of half-time when a Diego Forlan shot slipped through Helton's grasp.
Lisandro equalised in the 72nd minute as the 2004 European champions came away from the Vicente Calderon much the happier of the two teams.