Olivier Giroud scored a hat-trick in Greece, while Chelsea earned some respite
Olivier Giroud scored a hat-trick as Arsenal qualified for the Champions League knockout stage after a 3-0 win at Olympiakos tonight.
The Gunners came into tonight's win, knowing a 2-0 win would overturn what had looked like a doomed campaign in Europe.
But they went one better with Giroud's triplet of goals, including a penalty capping off a famous night for Arsene Wenger's men in Greece.
They qualify second from Group F behind Bayern Munich, who won at Dinamo Zagreb.
Meanwhile, Chelsea topped Group G after a 2-0 win at home to Porto.
An own goal set the Blues on their way, before Willian added a second.
Bayer Leverkusen 1-1 Barcelona
Olympiakos 0-3 Arsenal
Chelsea 2-0 FC Porto
Valencia 0-2 Lyon
Roma 0-0 BATE Borisov
Dinamo Zagreb 0-2 Bayern Munich
Dynamo Kiev 1-0 Maccabi Tel-Aviv
KAA Gent 2-1 Zenit