Tyrone Spong vs Michael Duut produced one of the Craziest 30 - seconds of all time in their short brutal fight. #shorts #sports #boxing #boxingknockout #kos #kickboxing #mma #ufc #combat #fight #firstround #boxingvideos #fullfighthighlights #highlights #fighting #sportsnews #sportshistory #action #actionsport #bestmoments #combatsports