Fulham manager Marco Silva and striker Aleksandar Mitrovic say they regret their actions and have apologised to referee Chris Kavanagh following their red cards at Manchester United.Mitrovic, 28, was charged with violent and improper conduct after his straight red card for pushing the referee.Mitro goes from hero to zero at Old Trafford as United storm from behind to reach the FA Cup 1/2 finalsThe Serbian forward is facing a lengthy ban after the Football Association said its standard punishment for his sending off at Manchester United was “clearly insufficient”.He said the time away with his national side had allowed him time to reflect on the match at Old Trafford, in which he was dismissed for pushing referee Kavanagh as he protested the awarding of a penalty.After spending £600m, Chelsea still lack a striker. Former Blue thinks – Mitro’s the one for themWith an apology to his teammates and the club’s supporters, Mitrovic said: “On a personal level, I regret my actions that led to me being sent off.”I allowed my frustration to get the better of me, and how I reacted was wrong.”I was trying to get the referee’s attention, but I appreciate that I should not have put my hands on him and I understand why he showed me a red card, my first in-game sending off for Fulham and my first since the 2015-16 season.”I have accepted the three-match ban for my red card, I have spoken to Chris Kavanagh to apologise, and I have volunteered to accept a club fine.”I now want to do what I can to put this incident behind me and get back to helping my teammates on the pitch as soon as possible.”##NAJAVA_MECA_7135314####EDITORS_CHOICE##His coach Silva added that he (Silva) should have controlled his own emotions better, too.In a statement, the 45-year-old manager said: “I regret what happened, and I have spoken to Chris Kavanagh to apologise. He knows that I respect him and the job he has to do.”Unfortunately, we did not see eye-to-eye on the day, but I recognise that he is one of the top referees in this country and I know that when our paths cross again, there will be mutual respect between us.”I am sorry that I was not on the pitch to try to lead the team to what could have been a historic FA Cup semi-final at Wembley, but I am thankful for all the support I have received from Fulham fans over the last few days.”