Referee Ovidiu Alin Hategan reverses a penalty decision after consulting VAR during the UEFA Champions League match at the Etihad Stadium, Manchester. Picture date: Tuesday April 6, 2021.,Image: 603770455, License: Rights-managed, Restrictions: Editorial use only, no commercial use without prior consent from rights holder., Model Release: no

Referee checks VAR screen during the UEFA Champions League, quarter final, 1st leg football match between Manchester City and Borussia Dortmund on April 6, 2021 at the Etihad Stadium in Manchester, England - Photo Craig Galloway / ProSportsImages / DPPI,Image: 603782109, License: Rights-managed, Restrictions: Hungary Out UK Out, Model Release: no

Romanian referee Ovidiu Hategan (in yellow) passes by Paris Saint-Germain's Italian midfielder Marco Verratti (CL) after the game was suspended amid allegations of racism by one of the match officials during the UEFA Champions League group H football match between Paris Saint-Germain (PSG) and Istanbul Basaksehir FK at the Parc des Princes stadium in Paris, on December 8, 2020. Paris Saint-Germain's decisive Champions League game with Istanbul Basaksehir was suspended today in the first half as the players walked off amid allegations of racism by one of the match officials. The row erupted after Basaksehir assistant coach Pierre Webo, the former Cameroon international, was shown a red card during a fierce row on the touchline with staff from the Turkish club appearing to accuse the Romanian fourth official of using a racist term.,Image: 574560570, License: Rights-managed, Restrictions: , Model Release: no

The fourth referee Sebastien COLTESCU argues with Demba BA of Istanbul Basaksehir during the UEFA Champions League match between Paris Saint Germain and Istanbul Basaksehir at Parc des Princes on December 8, 2020 in Paris, France. (Photo by Baptiste Fernandez/Icon Sport via Getty Images)