Soccer Football - African Champions League - Quarter Final Second Leg - Al-Ahly v Mamelodi Sundowns - Borg El Arab Stadium, Alexandria, Egypt - April 13, 2019 General view of fans inside the stadium.

Soccer Football - African Champions League - Quarter Final Second Leg - Al-Ahly v Mamelodi Sundowns - Borg El Arab Stadium, Alexandria, Egypt - April 13, 2019 General view of fans inside the stadium REUTERS/Amr Abdallah Dalsh

Soccer Football - La Liga Santander - Leganes v Real Madrid - Butarque Municipal Stadium, Leganes, Spain - April 15, 2019 Leganes fans before the match.

Soccer Football - Bundesliga - Eintracht Frankfurt v FC Augsburg - Commerzbank-Arena, Frankfurt, Germany - April 14, 2019 Eintracht Frankfurt fans before the match.

Soccer Football - Bundesliga - 1. FC Nurnberg v Schalke 04 - Max-Morlock-Stadion, Nuremberg, Germany - April 12, 2019 1. FC Nurnberg fans with Schalke 04 banners.

Soccer Football - La Liga Santander - Atletico Madrid v Celta Vigo - Wanda Metropolitano, Madrid, Spain - April 13, 2019 General view of fans inside the stadium.

Soccer Football - Champions League Quarter Final First Leg - Liverpool v FC Porto - Anfield, Liverpool, Britain - April 9, 2019 Porto fans before the match Action.

Soccer Football - La Liga Santander - Atletico Madrid v Celta Vigo - Wanda Metropolitano, Madrid, Spain - April 13, 2019 General view of fans inside the stadium.

Soccer Football - Super Lig - Fenerbahce v Galatasaray - Sukru Saracoglu Stadium, Istanbul, Turkey - April 14, 2019 Fenerbahce fan before the match.

Soccer Football - Bundesliga - Borussia Dortmund v 1.FSV Mainz 05 - Signal Iduna Park, Dortmund, Germany - April 13, 2019 Borussia Dortmund fans.

Soccer Football - Ligue 1 - Olympique de Marseille vs Nimes Olympique - Orange Velodrome, Marseille, France - April 13, 2019 General view of fans with banners inside the stadium before the match.

Soccer Football - Bundesliga - Fortuna Dusseldorf v Bayern Munich - Esprit Arena, Dusseldorf, Germany - April 14, 2019 Fortuna Dusseldorf fans inside the stadium before the match.

Soccer Football - CAF Confederation Cup - Quarter Final - Second Leg - El Zamalek v Hassania Agadir - Egyptian Army Stadium, Suez, Egypt - April 14, 2019 Zamalek fans.

Soccer Football - La Liga Santander - Leganes v Real Madrid - Butarque Municipal Stadium, Leganes, Spain - April 15, 2019 Leganes fans celebrate.

Soccer Football - Europa League Quarter Final First Leg - Arsenal v Napoli - Emirates Stadium, London, Britain - April 11, 2019 General view of Arsenal fans before the match REUTERS/Tom Jacobs - RC147DA5A8D0

Soccer Football - Bundesliga - Borussia Dortmund v 1.FSV Mainz 05 - Signal Iduna Park, Dortmund, Germany - April 13, 2019 Borussia Dortmund fans before the match.