As per talkSPORT radio, former England international Michael Gray said: "For Aleksandar Mitrovic to come across to make contact with the referee, shove his arm out the way and then say what he said to the referee.
"Again, no doubt in the referee's mind he had to give him a red card, tie over but, even if they score the penalty and Willian gets sent off, you're down to ten men, you're still in the FA Cup quarter-final.
"You've got a chance of still getting to the semi-final, they completely blew this tie out of the windowÑŽ. Manchester United were poor today. By that sending off, he's lost his side the game, he really has."
Fulham were reduced to nine men in the second half at Old Trafford at Sunday with Mitrovic shoving Chris Kavanagh after Willian's red card.
The incident allowed the Red Devils to secure a 3–1 comeback win and book a place in the FA Cup semi-final at Wembley where they will face Brighton.
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