Colby Covington claims Conor McGregor's UFC 257 fight won't be "competitive," saying that Dustin Poirier has "no chin anymore and no heart."
"This is such a masterpiece. Well done, @TheNotoriousMMA would be proud," one fan said. The Conor McGregor UFC 257 promo is a must-watch.
Dustin Poirier will want to avenge his defeat to Conor McGregor, while Michael Chandler makes his UFC debut against Dan Hooker at UFC 257.