Real Madrid's French forward Karim Benzema (top) dives over Napoli's goalkeeper from Spain Pepe Reina during the UEFA Champions League round of 16 first leg football match Real Madrid CF vs SSC Napoli at the Santiago Bernabeu stadium in Madrid on February 15, 2017. (AFP)
Bayern Munich's Thomas Muller scores their fifth goal (Reuters)
Real Madrid's Casemiro in action with Napoli's Dries Mertens (Reuters)
Real Madrid's French coach Zinedine Zidane (2L) speaks with Real Madrid's Brazilian defender Marcelo during the UEFA Champions League round of 16 first leg football match Real Madrid CF vs SSC Napoli at the Santiago Bernabeu stadium in Madrid on February 15, 2017. (AFP)
Napoli's goalkeeper from Spain Pepe Reina (C) dives for the ball as Real Madrid's Brazilian midfielder Casemiro scores a goal during the UEFA Champions League round of 16 first leg football match Real Madrid CF vs SSC Napoli at the Santiago Bernabeu stadium in Madrid on February 15, 2017. (AFP)
Arsenal's Francis Coquelin, Shkodran Mustafa and Mesut Ozil, from left, react after Bayern scored their fourth goal during the soccer Champions League round of 16 first leg match between Bayern Munich and Arsenal FC in Munich, southern Germany, Wednesday, Feb. 15, 2017. (AP)
Bayern Munich players celebrate after the game (Reuters)
Real Madrid's Portuguese forward Cristiano Ronaldo (C) controls the ball during the UEFA Champions League round of 16 first leg football match Real Madrid CF vs SSC Napoli at the Santiago Bernabeu stadium in Madrid on February 15, 2017. (AFP)
Real Madrid's Casemiro celebrates scoring their third goal with team mates (Reuters)
Arsenal's Alex Oxlade-Chamberlain looks dejected after the game (Reuters)