#3. Travis Browne
Okay, so Travis isn't strictly a WWE Superstar, but he has featured on WWE television when he helped his partner and Raw Women's Champion Ronda Rousey lay out some security personnel.
There has been talk of Browne becoming a full-time WWE Superstar, but for now, he is just a legitimate MMA fighter, so definitely not someone you want to be on the wrong side of in a physical confrontation.
Unfortunately for the man who attacked Bret Hart, Browne had him scouted from the get-go and was in the ring at almost the same time as he was. Brown was one of the first to the scene and used his real-life fighting knowledge to take out the attacker and defend Bret Hart valiantly.
Edited by Sripad