Given the fast and furious pace that the two street fighters this video were keeping, it was only ever going to be a matter of time before one of them got caught with a fight-ending blow.

The fight took place in a secluded forest, with the teen in the blue shorts named as ‘CJ’, while his opponent in the black shorts is known as ‘Fonseca’.

As the footage begins the fight is already well underway, with CJ ducking under a punch to execute a single-leg takedown.

After a brief scramble, CJ ends up on top, but Fonseca counters with a guillotine choke, which forces his opponent to abandon the position and get back to his feet.

CJ wastes little time in looking for another takedown, but loses his footing during his double-leg entry and falls, eating a punch for his troubles, before managing to get the fight to the floor at the second attempt.

This time Fonseca shows off his grappling skills as he executes a nice reversal to get on top.

He then starts to land ground and pound punches, and when CJ attempts to land an upkick, Fonseca grabs hold of his legs and puts him in what looked like a ‘Boston crab’ pro-wrestling move.

Before CJ can figure a way out of it, Fonseca suddenly lets go and while his opponent is still on his knees lands a hook to the temple that knocks him out, leaving him spreadeagled on the forest floor.

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Even though there didn’t appear to be any real bad blood between the two youths, we’d advise against anybody trying to mimic this kind of backyard, amateur MMA fights.

Both guys appeared to have some raw grappling skill, but they’d be much better off working on improving their skills in a gym in a supervised environment, rather than risking their health in a contest like this where there’s nothing to gain other than bragging rights.