The Manchester United manager's perfectionism can rub many up the wrong way, including the organiser of the International Champions Cup
Jose Mourinho has been branded a "pain in the butt" by one of the organisers of the International Champions Cup.
Mourinho was unhappy during the tournament this summer, insisting that he could not utilise a full-strength squad due to the World Cup commitments faced by his players.
And ICC organiser Charlie Stillitano admits that the Portuguese can be difficult to deal with.
"Yeah we had a few cheeky words together," Stillitano told ESPN.