Pep Guardiola expressed his frustration after Rico Lewis was sent off late in Man City's Club World Cup opener.
City beat Moroccan outfit Wydad 2-0 after a controlled performance, with first half goals from Phil Foden and Jeremy Doku proving to be the difference.
Guardiola's side cruised through the second period but disaster struck in the 88th minute when Lewis was sent off by referee Ramon Abatti after he caught Samuel Obeng in the face with his follow through after sliding in for a challenge.
The decision split opinion, with Lewis winning the ball and he was unable to do anything about the collision, although Abatti immediately brandished a red card, before VAR confirmed his call.