Watch it: Junto Nakatani’s devastating one-punch knockout of Andrew Moloney

You won’t see a more brutal punch than this one.

Southpaw Junto Nakatani put Andrew Moloney to sleep with a crushing left hand to the head in the 12th and final round on the Devin Haney-Vasiliy Lomachenko card Saturday at the MGM Grand in Las Vegas.

The victory gave Nakatani the vacant WBO 115-pound title and the fans an unforgettable knockout.

Check it out below.

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Story originally appeared on Boxing Junkie