Conor McGregor undergoes surgery to repair tibia, rips Dustin Poirier again: 'you've done nothing in there' | CBS Sports Headlines Conor McGregor undergoes surgery to repair tibia, rips Dustin Poirier again: 'you've done nothing in there' McGregor says he will be on crutches for six weeks before beginning rehab for … Continue reading Conor McGregor undergoes surgery to repair tibia, rips Dustin Poirier again: 'you've done nothing in there'