We thought Conor McGregor was supposed to be fighting Chad Mendes at UFC 189.
But footage has emerged of the Irishman almost coming to blows with Mendes' team-mate Urijah Faber backstage before the fight weigh-ins.
It looks like it started light-hearted with McGregor rubbing Faber's head and calling him "little man".
But it turns nasty pretty quickly as the pair wrestle and Faber pins McGregor up against the wall.
"Get your hands off me or I'll break your nose," McGregor can be heard saying before the pair are dragged apart.
The American MMA fighter was less than complimentary about his fellow athlete on Instagram.
https://instagram.com/p/4-gDyds4vB/
There is bad blood between the Dublin fighter and the Team Alpha Male fighter with the pair trash talking for a number of years.
After this flare up, surely a fight between these two must be in the pipeline - before they end up scrapping in the car park.
https://www.youtube.com/watch?v=EwbBsd2W7To
