On-form Kevin Prince Boateng scored an absolute stunner on 15 minutes to set the tone at the San Siro as AC Milan thrashed Arsenal 4-0 in the first leg of their champions league last 16 tie.
Robinho added a brace either side of the break while Zlatan Ibrahimovic scored from the spot with 11 minutes remaining as the Italians put one foot in the quarter finals.
Roman Shirokov scored twice to offer Zenit st Petersburg a 3-2 win against Benfica in their last 16 first leg.
but goals from Maxi Pereira and Oscar Cardozo for the visiting Portuguese side offered some hope of overturning the Russian’s advantage in the decisive return leg in three weeks time at the Estadio da Luz where Benfica are undefeated this season.
Milan give Gunners European master class