(AP Photo/Francois Mori)In a powerful protest against alleged racism, players from Paris Saint-Germain and Istanbul Basaksehir walked off the field during a Champions League game on Tuesday and didn’t return after a match official was accused of using insulting language about a Black coach. It sparked a commotion in the technical area that led to Webo being sent off by the referee. UEFA said it would “thoroughly investigate” the incident, while stating the match would restart with a different fourth official inside an empty Parc des Princes stadium. PSG’s players will return to their stadium knowing they have already qualified for the knockout stage. Ronaldo converted spot kicks for Juventus in either half, after briefly embracing with Messi before kickoff when the pair also exchanged a few words.