Napoli took a surprise early lead at the Bernabeu, but Real Madrid's midfield rallied to earn a 3-1 first-leg win in the Champions League round of 16.
Bayern Munich's Thiago Alcantara struck two goals, as the hosts demolished Arsenal 5-1 at the Allianz Arena.
Watch as Casemiro makes it 3-1 in favour of Madrid, with an inch-perfect volley that was destined for the back of the net.
It's clear that Bayern under Carlo Ancelotti are a step below the Bavarians' vintage but they still thrashed Arsenal with ease, writes Mark Ogden.
Real Madrid defeated Napoli 3-1 in the first leg of their UEFA Champions League round-of-16 clash at the Santiago Bernabeu on Wednesday.
Arsenal will have to produce something special to reach a first Champions League quarterfinal since 2010 after suffering a 5-1 loss to Bayern Munich.