It all appeared to be part of the show when UFC star Conor McGregor punched out Miami Heat mascot Burnie – but it wasn’t.

During a mid-game bit in which McGregor was promoting his pain relief spray, he coldcocked Burnie with a hard left hook and sent him sprawling to the floor before landing another punch on the ground while spraying his product on him as he was dragged away.

The first Conor McGregor punch hit Burnie, the Miami Heat mascot, on the side of the head and McGregor hit him again after he fell to the court.

UFC star Conor McGregor sent NBA team Miami Heat mascot Burnie to a local emergency room on Friday evening after an on-court incident during game four of the NBA finals in Miami, according to reports.

McGregor apparently landed one of his punches a little too realistically, sending the man performing as the mascot to the emergency room.

The Miami Heat's team mascot needed medical treatment after a staged 'fight' with former UFC mixed martial arts champion Conor McGregor.However, the person inside the costume was then taken to a local emergency room and released the same evening afer receiving pain medication,

UFC legend Conor McGregor was courtside at the Miami Heat game on Friday, but when he spoke to the crowd, he did not get a warm reception.