MANCHESTER, UNITED KINGDOM - APRIL 26: Luka Modric (R) of Real Madrid in action against Fernandinho (L) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Marcelo (R) of Real Madrid in action against Bacary Sagna (L) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Casemiro (R) of Real Madrid in action against Sergio Aguero (L) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Luka Modric (L) of Real Madrid in action against Sergio Aguero (R) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Pepe (R) of Real Madrid in action during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Pepe (R) of Real Madrid in action against Sergio Aguero (L) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Pepe (R) of Real Madrid in action against Sergio Aguero (L) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Pepe (R) of Real Madrid in action against Sergio Aguero (L) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Pepe (R) of Real Madrid in action against Sergio Aguero (L) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Pepe (R) of Real Madrid in action against Sergio Aguero (L) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Kevin De Bruyne of Manchester City gestures during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Casemiro (L) of Real Madrid in action against Nicolas Otamendi (R) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Dani Carvajal (L) of Real Madrid in action against Kevin De Bruyne (R) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Dani Carvajal (L) of Real Madrid in action against Jesus Navas (R) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Casemiro (R) of Real Madrid in action against Kelechi Iheanacho (L) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Sergio Ramos (L) and Casemiro (R) of Real Madrid in action against Sergio Aguero (C) of Manchester City during the UEFA Champions League semi-final first leg football match between Manchester City and Real Madrid at the Etihad Stadium in Manchester, northwest England, on April 26, 2016. ( Howard Walker - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Manchester City's Nicolas Otamendi (R) challenges Real Madrid's Gareth Bale during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Real Madrid's Luka Modric (L) reacts after missing his chance at Manchester City's goal during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Manchester City's Raheem Sterling (L) challenges Real Madrid's Marcelo during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Real Madrid's Gareth Bale reacts after missing Manchester City's goal during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Manchester City's Toni Kroos (L) challenges Real Madrid's Kelechi Iheanacho during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Manchester City's Fernandinho (bottom) challenges Real Madrid's Gareth Bale during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Turkish Referee Cuneyt Cakir paints the grass during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Real Madrid's head coach Zinedine Zidane is seen during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Real Madrid's head coach Zinedine Zidane is seen during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Real Madrid's head coach Zinedine Zidane is seen during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Manchester City's Vincent Kompany (L) challenges Real Madrid's Jese during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: A Manchester City fan holds up a placard reading "Living the dream" during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )

MANCHESTER, UNITED KINGDOM - APRIL 26: Real Madrid's head coach Zinedine Zidane is seen during the Champions League Semi-Final soccer match between Manchester City FC and Real Madrid at the Etihad Stadium in Manchester, north west England on April 26th, 2016. ( Lindsey Parnaby - Anadolu Agency )