The Real Madrid defender alerted the referee, Ramon Abatti, who then performed FIFA's protocol gesture to signal alleged racial abuse. Abatti made an X gesture after being notified, which is the standard to flag a racist incident. Pachuca manager

FIFA will investigate the alleged racial abuse Antonio Rudiger received against Pachuca, and his head coach, Xabi Alonso, has offered support.

Rudiger alerted referee Ramon Abatti following the alleged comment during the game with the official using FIFA's protocol signal.