WBA middleweight champion Gennady Golovkin (31-0, 28 KOs), for those not in the know, owns the highest percentage of knockout victories among active champions today. Only three of the 31 men to face him in the ring have survived to hear the final bell.

The 32-year-old from Kazakhstan is defending his title this weekend in Monte Carlo against Martin Murray (29-1-1, 12 KOS), who is no slouch himself. However, he goes into the fight against Golovkin a huge underdog. Underneath the angelic grin and the impeccable manners of the Kazakh, lies a clinical finisher who possesses concussive power in both hands. Just how good is he? Well, check out all his knockouts in this video. The fight against Murray will be televised on HBO this Saturday evening, starting at 5.45 p.m. EST. Golovkin fights never last too long and are full of fireworks, so don’t be tardy to the TV!