Jon Hackleman retires from cornering after attempting to disqualify Glover Teixeira vs. Jamal Hill at UFC 283
John Hackleman wanted to stop the fight between his longtime student Glover Teixeira and Jamahal Hill after the fourth round at UFC 283. Had he been the main cornerback, referee Mark Goddard would have listened to him and called off the action in Hill’s favor. “I do a known fight between rounds,” Hackleman told MMA …