TOPSHOT - Real Madrid's French coach Zinedine Zidane (r) looks at Wolfsburg's Swiss defender Ricardo Rodriguez during the UEFA Champions League quarter-final, first-leg football match between VfL Wolfsburg and Real Madrid on April 6, 2016 (AFP)

Real Madrid's Cristiano Ronaldo, left, and Wolfsburg's Ricardo Rodriguez go for a header during the Champions League first leg quarterfinal soccer match between VfL Wolfsburg and Real Madrid in Wolfsburg, Germany, Wednesday, April 6, 2016. (AP)

Real Madrid's Marcelo, right, fights for the ball with Wolfsburg's Luiz Gustavo during the Champions League first leg quarter final soccer match between VfL Wolfsburg and Real Madrid in Wolfsburg, Germany, Wednesday, April 6, 2016. Wolfsburg won 2-0. (AP)

Real Madrid's Cristiano Ronaldo, left, face Wolfsburg's Luiz Gustavo during the Champions League first leg quarter final soccer match between VfL Wolfsburg and Real Madrid in Wolfsburg, Germany, Wednesday, April 6, 2016. Wolfsburg won 2-0. (AP)

Real Madrid's Cristiano Ronaldo, center, is chased by the Wolfsburg defense during the Champions League first leg quarter final soccer match between VfL Wolfsburg and Real Madrid in Wolfsburg, Germany, Wednesday, April 6, 2016 (AP)

C's Spanish midfielder David Silva (L) vies with Paris Saint-Germain's French midfielder Adrien Rabiot during the UEFA Champions League quarter final football match between Paris Saint Germain (PSG) and Manchester City on April 6, 2016 at the Parc des Princes stadium in Paris. (AFP)

Manchester City's Argentinian forward Sergio Aguero (L) vies with Paris Saint-Germain's Brazilian defender David Luiz during the UEFA Champions League quarter final football match between Paris Saint Germain (PSG) and Manchester City on April 6, 2016 at the Parc des Princes stadium in Paris. (AFP)

TOPSHOT - Paris Saint-Germain's Swedish forward Zlatan Ibrahimovic (R) vies with Manchester City's French defender Eliaquim Mangala during the UEFA Champions League quarter final football match between Paris Saint Germain (PSG) and Manchester City on April 6, 2016 (AFP)

Manchester City's Brazilian midfielder Fernandinho (L) vies with Paris Saint-Germain's Argentinian midfielder Angel Di Maria during the UEFA Champions League quarter final football match between Paris Saint Germain (PSG) and Manchester City on April 6, 2016 at the Parc des Princes stadium in Paris. (AFP)