Comments AP Photo/John Locher UFC star Conor McGregor underwent surgery to repair a broken tibia after suffering the gruesome injury against Dustin Poirier in Las Vegas on Saturday at UFC 264. McGregor provided an update on his status on Twitter, noting he was "feeling tremendous" after the operation: Conor McGregor @TheNotoriousMMA 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 later discussed the surgery in a Twitter video, which also saw him call out Poirier's "illegitimate win": Conor McGregor @TheNotoriousMMA Onwards and upwards we go ☘️ pic.twitter.com/qKgochlT3t