Meanwhile, the most decisive victory of the night came from Bayern Munich, which thrashed Crotian side Dinamo Zagreb 5-0. Robert Lewandowski, who last week dazzled football fans around the world by scoring five goals in nine minutes, tallied a hat-trick for the German giants.
Tuesday results:
Barcelona - Bayer Leverkusen: 2-1
BATE - Roma: 3-2
Bayern Munich - Dinamo Zagreb: 5-0
Arsenal - Olympiakos: 2-3
Maccabi Tel-Aviv - Dinamo Kiev: 0-2
Porto - Chelsea: 2-1
Lyon - Valencia: 0-1
Zenit - Gent: 2-1