Polish referee Szymon Marciniak gestures during the UEFA Champions League first round day 1 football match between FC Porto and Manchester City at Dragao stadium in Porto on September 8, 2026. (Photo by PATRICIA DE MELO MOREIRA / AFP via Getty Images)

Polish referee Szymon Marciniak smiles at Manchester City's Croatian defender #24 Josko Gvardiol during the UEFA Champions League first round day 1 football match between FC Porto and Manchester City at Dragao stadium in Porto on September 8, 2026. (Photo by PATRICIA DE MELO MOREIRA / AFP via Getty Images)

Real Madrid's French forward #10 Kylian Mbappe (L) scores his team's first goal during the UEFA Champions League first round day 1 football match between Real Madrid and Inter Milan at the Santiago Bernabeu stadium in Madrid on September 8, 2026. (Photo by Thomas COEX / AFP via Getty Images)

Dortmund's players pose prior the UEFA Champions League - League phase, Matchday 1 - football match between BVB Borussia Dortmund and Villarreal CF in Dortmund, western Germany, on September 8, 2026. (Photo by Sascha Schuermann / AFP via Getty Images)

Lille's Japanese forward #18 Ayase Ueda (L) heads the ball to score Lille's first goal during the UEFA Champions League, league phase day 1, football match between Lille (FRA) and Real Betis (ESP) at the Stade Pierre Mauroy, in Villeneuve d'Ascq, on September 8, 2026. (Photo by Sameer AL-DOUMY / AFP via Getty Images)

Real Madrid's French forward #10 Kylian Mbappe celebrates scoring his team's first goal during the UEFA Champions League first round day 1 football match between Real Madrid and Inter Milan at the Santiago Bernabeu stadium in Madrid on September 8, 2026. (Photo by Pierre-Philippe MARCOU / AFP via Getty Images)

Real Madrid's French forward #10 Kylian Mbappe celebrates scoring his team's first goal during the UEFA Champions League first round day 1 football match between Real Madrid and Inter Milan at the Santiago Bernabeu stadium in Madrid on September 8, 2026. (Photo by Pierre-Philippe MARCOU / AFP via Getty Images)

Lille's Japanese forward #18 Ayase Ueda (C) celebrates with teammates after scoring Lille's first goal during the UEFA Champions League, league phase day 1, football match between Lille (FRA) and Real Betis (ESP) at the Stade Pierre Mauroy, in Villeneuve d'Ascq, on September 8, 2026. (Photo by Sameer AL-DOUMY / AFP via Getty Images)