Who doesn't like watching one dude beat the hell out of another in the name of sports? Visual violence in the form of competition is actually what tames the beast residing in most of us.
In case you need a bigger cathartic experience this time, scroll down and watch 13 of the most violent, brutal and gruesome knockout blows ever from boxing, Mixed Martial Arts and others.
Iron Mike's vicious uppercut
Lyoto Machida's sleep-inducer on Rashad Evans
This spinning back fist
Pernell Whittaker nearly slugging Diosbelys Hurtado to death
No-look left hook KO
Ray Mercer KOs Tommy Morrison and then some
Capoeira spinning back heel
Knockout that nearly took face off the head
Judo head kick KO
The late Arturo Gatti's famous three-punch job on Joey Gamache
Flying kick off the cage