Arsenal will have to produce something special to reach a first Champions League quarterfinal since 2010 after suffering a 5-1 defeat to a rampant Bayern Munich side at the Allianz Arena on Wednesday. And Real Madrid came from a goal down to beat Napoli in the first leg of their Champions League last-16 tie.

Bayern Munich 5-1 Arsenal

Despite Alexis Sanchez equalising for Arsenal on the half-hour mark following Arjen Robben's early opener, Bayern Munich outclassed the Gunners after the break with Robert Lewandowski, Thiago Alcantara -- twice -- and Thomas Muller scoring to give their side a hefty advantage to take with them to the Emirates Stadium for the second leg.

Real Madrid 3-1 Napoli

Two goals in five second-half minutes helped Real Madrid come from behind to beat Napoli 3-1 in the first leg of their UEFA Champions League last-16 clash at the Bernabeu.

The visitors took the lead after Keylor Navas was caught off guard by a superb Lorenzo Insigne strike inside eight minutes.

Karim Benzema headed the equaliser past Pepe Reina from Dani Carvajal's cross 11 minutes later.

Toni Kroos put the hosts ahead early in the second half, before a stunning volley from Casemiro sealed the win.

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