The Bottle Cap Challenge with the hashtag #bottlecapchallenge is the latest trend blowing up the Internet.
After missing with a first punch, McGregor immediately bloodied a clinching Cerrone's nose with an upward shoulder strike — quickly followed by another.
UFC featherweight and lightweight champion Conor McGregor has hinted on a UFC return with a tweet which has not revealed much but enough to create a flutter.
Former two-weight UFC champion Conor McGregor has signed an agreement for a rematch against American Dustin Poirier in January, according to his website The Mac Life www.themaclife.com on Thursday.
The Irish star posted pictures from the deck on Monday, with one looking out at the newly opened Etihad Arena. McGregor makes his long-awaited comeback to the octagon there on Sunday.