Prior to the final stop of Conor McGregor and Floyd Mayweather's world tour, UFC president Dana White said as long as the two fighters don't lay a hand on each other before the bout, he'll be happy.
He wasn't happy Friday.
As "The Notorious" strutted around the ring berating his 40-year-old opponent in London, McGregor made the first contact, rubbing Mayweather's bald "peanut head" before miming a slap.
It's hard to tell who's in whose head at this point.