Hazard needed treatment following a challenge from Young - who was booked by referee Mike Dean - during the opening period and has now suffered more pain.
There was a slight moment of madness in the midst of the equaliser as Ianni goaded Jose Mourinho twice before the United manager retaliated in what proved to be a dramatic ending to a scintillating match.
Manchester United coach Jose Mourinho said on Monday he intends to see out his contract with the club and is not considering a move anywhere else.
Martial seems to have won over Jose Mourinho over the last few weeks and has scored three goals in the last two games during Manchester United's mini-recovery from a slump in form. "We could have done better by scoring the second goal to kill the game, but it is never easy to win in the Premier League, especially against a big opponent".More news: Meghan's polka dot dress sells out in minutes
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"He is fantastic and a world-class player", Young said. I don't think he deserves more than what he got.
96th minute goals do unusual things to people but mostly it is about passion, which is something we all love to see in this game.
"I did not get respect back from Chelsea but that is not my responsibility".
"What happened was with Sarri's assistant, and Sarri was the first one to come to me to say he would resolve the problem internally with me", he recalled. "So when he came after the game to make his apologies I accepted his apologies".
Returning to Old Trafford with Juventus is Ronaldo, who played for United from 2003-09 before moving to Real Madrid, where he played under Mourinho.
"In a situation like that, they've conceded in the last second, he's back at his old football club and you have an assistant manager go up into his face like that - it's totally ridiculous". I don't always stick up for him [Mourinho], or feel he conducts himself in the right way, but I get it.