Before the first leg it was Chelsea fans who were fretting about their goalkeeper. In the event, Marco Ambrosio has proved as safe as houses compared to Jens Lehmann.
The German's gaffes, first seen in the group stage defeat to Dynamo Kiev in October, effectively cost his side the tie and Arsene Wenger may be lamenting his failure to recruit a more secure stopper in the summer. Come back Safe Hands, all is forgiven.
After failing to charge down Eidur Gudjohnsen at Stamford Bridge, Lehmann also made the crucial error here, and his inability to hold a Claude Makelele drive enabled Frank Lampard to level the scores.
And the winner was . . . Ambrosio