Gable Steveson demolishes Billy Swanson in 15 seconds at Dirty Boxing 4, calls out UFC matchmaker

Olympic champ Steveson showed he's more than just a wrestler with a brutal 15-second knockout Thursday in his Dirty Boxing 4 ...
MMA Junkie

What to know ahead of Dirty Boxing Nashville, headlined by Gable Steveson vs Billy Swanson

"Show the world that, hey, this guy can put it on somebody on the feet, on the ground, left right, north, south, east and ...