FILE. Irish MMA sensation Conor McGregor heads to Sin City in March for the promotions' 197th installment with a move up in weight class to challenge lightweight champion Rafael Dos Anjos.
JOHANNESBURG - Irish singer Mick Konstantin got a reaction he could only have dreamed of after his tribute song to Irish professional mixed martial artist Conor McGregor (see video above) went viral.
McGregor so liked the song that he decided it should be his official song and an official version was produced.
Official version of There's Only One Conor McGregor
McGregor then made Konstantin's year when he invited the singer to attend his multi-million dollar boxing match against Floyd Mayweather in Las Vegas on 26 August.
Mick Konstantin's reaction to being invited to Las Vegas by Conor McGregor.