Most devastating KO you have ever seen?

[sweetscience18]

Theres been alot of great kos but nothing beats zab vs tzu..does anyone know wha he said to the ref?

[UglyPug]

Theres been alot of great kos but nothing beats zab vs tzu..does anyone know wha he said to the ref?

don't ever play with matches!

[Bermuda]

[paypayvay]

calvin brock vs zuri lawrence , worst ever

[No1]

Some KO's are pretty horrific. I've always liked the tyson botha ko. it was such a short punch but it literally shut Botha down. The donaire montiel left hook was savage, I know he got up but dam that punch should have left him on ***** street.

[Evil Abed]

[NChristo]

[The Hammer]

[Evil Abed]

[Las Vegas,]

6:40