Kamaru Usman responds to the rumors that he injured himself during the open workouts today. A video is making the rounds of Kamaru taking down Justin Gaethje and people are claiming they hear Gaethje ask Kamaru if he’s ok and they thought they heard him say “Something popped”. Kamaru just put this tweet out and shut it all down. FOLLOW fullsend_mma #kamarusman #khamzatchimaev #justingaethje