The referee intervenes between Mainz' German forward #11 Armindo Sieb and Strasbourg's Belgian midfielder #07 Diego Moreira at the end of the UEFA Europa Conference League quarter-final first leg football match between 1 FSV Mainz 05 and RC Strasbourg Alsace in Mainz, western Germany on April 9, 2026. Mainz won the match 2-0. (Photo by Kirill KUDRYAVTSEV / AFP via Getty Images)

Crystal Palace's Senegalese midfielder #07 Ismaila Sarr celebrates scoring the team's third goal during the UEFA Conference quarter final first-leg football match between Crystal Palace and ACF Fiorentina at Selhurst Park in London on April 9, 2026. (Photo by Ben STANSALL / AFP via Getty Images)

SC Freiburg's German defender #30 Christian Gunter waves after the UEFA Europa League Quarter final First Leg football match between SC Freiburg and Celta Vigo in Freiburg, on April 9, 2026. (Photo by Silas STEIN / AFP via Getty Images)

Crystal Palace's Senegalese midfielder #07 Ismaila Sarr scores the team's third goal during the UEFA Conference quarter final first-leg football match between Crystal Palace and ACF Fiorentina at Selhurst Park in London on April 9, 2026. (Photo by Ben STANSALL / AFP via Getty Images)

Strasbourg's (R) and Mainz' players react at the end of the UEFA Europa Conference League quarter-final first leg football match between 1 FSV Mainz 05 and RC Strasbourg Alsace in Mainz, western Germany on April 9, 2026. Mainz won the match 2-0. (Photo by Kirill KUDRYAVTSEV / AFP via Getty Images)

Freiburg's fans celebrate after the UEFA Europa League Quarter final First Leg football match between SC Freiburg and Celta Vigo in Freiburg, on April 9, 2026. (Photo by Silas STEIN / AFP via Getty Images)

Celta Vigo's players react after the UEFA Europa League Quarter final First Leg football match between SC Freiburg and Celta Vigo in Freiburg, on April 9, 2026. (Photo by Silas STEIN / AFP via Getty Images)

Aston Villa's English striker #11 Ollie Watkins celebrates with Aston Villa's Argentinian goalkeeper #23 Emiliano Martínez at the end of the UEFA Europa League quarter final first leg football match between Bologna and Aston Villa at the Renato Dall'Ara stadium in Bologna on April 9, 2026. (Photo by Stefano RELLANDINI / AFP via Getty Images)