Article Photos: Champions League: Olympiakos beats Arsenal 2-1

Olympiakos' Kostas Mitroglou, right, celebrates with Vassilis Torossidis, left, after scoring against Arsenal during a group B Champions League soccer match in the port of Piraeus, near Athens, Tuesday, Dec. 4, 2012. (AP Photo/Thanassis Stavrakis)

Olympiakos' Kostas Mitroglou, right, celebrates with Vassilis Torossidis, left, after scoring against Arsenal during a group B Champions League soccer match in the port of Piraeus, near Athens, Tuesday, Dec. 4, 2012. (AP Photo/Thanassis Stavrakis)