Real Madrid's Spanish defender #18 Alvaro Carreras (L) vies for the ball with Bayern Munich's French midfielder #17 Michael Olise during the UEFA Champions League quarter final first leg football match between Real Madrid CF and FC Bayern Munich at Santiago Bernabeu Stadium in Madrid on April 7, 2026. (Photo by Pierre-Philippe MARCOU / AFP via Getty Images)

Real Madrid's French forward #10 Kylian Mbappe scores his team's first goal during the UEFA Champions League quarter final first leg football match between Real Madrid CF and FC Bayern Munich at Santiago Bernabeu Stadium in Madrid on April 7, 2026. (Photo by Thomas COEX / AFP via Getty Images)

Arsenal's Spanish coach Mikel Arteta gestures during the UEFA Champions League quarter final first leg football match between Sporting CP and Arsenal at Jose Alvalade stadium in Lisbon on April 7, 2026. (Photo by PATRICIA DE MELO MOREIRA / AFP via Getty Images)

Real Madrid's French forward #10 Kylian Mbappe celebrates scoring his team's first goal during the UEFA Champions League quarter final first leg football match between Real Madrid CF and FC Bayern Munich at Santiago Bernabeu Stadium in Madrid on April 7, 2026. (Photo by Thomas COEX / AFP via Getty Images)

German referee Daniel Siebert disallows a goal for Arsenal next to Sporting Lisbon's Portuguese goalkeeper #01 Rui Silva during the UEFA Champions League quarter final first leg football match between Sporting CP and Arsenal at Jose Alvalade stadium in Lisbon on April 7, 2026. (Photo by FILIPE AMORIM / AFP via Getty Images)

Real Madrid's French forward #10 Kylian Mbappe (2L) scores his team's first goal during the UEFA Champions League quarter final first leg football match between Real Madrid CF and FC Bayern Munich at Santiago Bernabeu Stadium in Madrid on April 7, 2026. (Photo by Oscar DEL POZO / AFP via Getty Images)

Real Madrid's French midfielder #14 Aurelien Tchouameni (L) vies for the ball with Bayern Munich's Colombian forward #14 Luis Diaz during the UEFA Champions League quarter final first leg football match between Real Madrid CF and FC Bayern Munich at Santiago Bernabeu Stadium in Madrid on April 7, 2026. (Photo by Pierre-Philippe MARCOU / AFP via Getty Images)

Sporting Lisbon's Portuguese defender #25 Goncalo Inacio and Arsenal's Swedish forward #14 Viktor Gyokeres fight for the ball during the UEFA Champions League quarter final first leg football match between Sporting CP and Arsenal at Jose Alvalade stadium in Lisbon on April 7, 2026. (Photo by PATRICIA DE MELO MOREIRA / AFP via Getty Images)