On Saturday, Raja Jackson — whose father is former UFC champion fighter Quinton "Rampage" Jackson — was set to fight Suart "Syko Stu" Smith, 47, during a KnokX Pro Wrestling event in Los Angeles, which was also being streamed on Kick.

Raja Jackson, the son of former UFC champion Quinton "Rampage" Jackson, severely injured professional wrestler Syko Stu during a live KnokX Pro Wrestling event., WWE, Times Now

Former UFC champion Quinton “Rampage” Jackson has apologized and said that he is “very upset” after his son allegedly committed what organizers called “a selfish, irresponsible act of violence” against a wrestler during an event Saturday night in Sun Valley,