'Heartbreaking': Conor McGregor beaten by Dustin Poirier at UFC 257 – video
Dustin Poirier stopped Conor McGregor with a flurry of punches midway through the second round on Sunday, avenging his loss to the Irish superstar with a knockout victory at UFC 257. Poirier caught McGregor with a series of shots to the head before sending him to to the canvas with a short right hand, setting off stunned excitement among the few thousand screaming fans allowed inside the Etihad Arena on Yas Island.