During Wednesday’s UFC 294 Open Workouts, former welterweight champion  Kamaru Usman slammed training partner  Justin Gaethje .  After the slam, Gaethje asked Usman if he was okay.  Usman seemingly responded, “Something popped.”  Almost immediately rumors and speculation began to fly on social media.    On Thursday morning, Usman released a video to  his YouTube channel addressing the incident and the rumors that followed.   “Guys, this is crazy, yesterday seeing the tweet.  It just goes to show how crazy, people just jump on news and media and, oh, that must be true