Conor McGregor underwent successful surgery on his leg on Sunday and shared an update on his status a day after suffering the gruesome injury at UFC 264 against Dustin Poirier. McGregor and his agent Audie A. Attar, of Paradigm Sports, released statements on Twitter. "Just out of the surgery room guys! Surgery went excellent! Feeling tremendous! 6 weeks on crutch and we build back! Let’s go! God bless," McGregor tweeted.