Connor Tierney retires after catastrophic broken jaw at BKFC 90

Connor Tierney announced his retirement from Bare Knuckle Fighting Championship hours after suffering a catastrophic broken jaw that cost him his title at BKFC 90 in Birmingham. In an Instagram story posted after the event, Tierney wrote, “this injury is it for me,” and thanked supporters. He was hospitalized after the fight and the injury was described as serious and said to require major surgery. Footage reshared by part-owner Conor McGregor showed Tierney’s jaw appearing split in two with a visible separation between his teeth, footage described in one report as “disturbing.”