11. Conor McGregor
These two used to be BFF’s, but ever since Conor started really doing serious numbers and talking about running his own promotion, or breaking his UFC contract to fight Floyd Mayweather, things have turned sour. You can look back to UFC 200, when Conor didn’t make it to the press event, and Dana White cut him clean off the card altogether, and that seems to be one of the catalyst moments in this rad bromance gaining animosity.
