UFC On ESPN 4: Harris knocks Oleynik out in 12 seconds (video)

Walt Harris continues to win early. At the tournament of UFC On ESPN, Walt got his 13th victory, which was the 13th by KO. It took Harris only 12 seconds to KO experienced Aleksey Oleynik of Russia. This was the fastest knockout in the UFC heavyweight history. It is worth noting that Oleynik suffered a second defeat in a row. Prior to that, he lost to Alistair Overeem.

Watch the knockout in Harris vs Oleynik fight.




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