![Jonathan Harris 5 Second KO Victory Breaks Legacy Record [Video]](http://cdn.jockpost.com/wp-content/uploads/2010/08/jonathan-harris-5-second-ko.jpg "Jonathan Harris 5 Second KO Victory Breaks Legacy Record [Video]")
How quick can you knock a guy out? Do you even know how to knock a guy out?
MMA fighter Jonathan Harris does, and in this video he breaks the Legacy Fighting record for quickest KO. He knocked his opponent out in 5 seconds. One knee to the face is all it took.
Lights. Out.
For your viewing pleasure, we included videos of some of fastest knockouts in fighting history.
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That’s so sad. 5 seconds. A ratings nightmare.
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