Watch it: Jaime Munguia’s decisive, final-round knockdown

Watch it: Jaime Munguia’s decisive, final-round knockdown of Sergey Derevyanchenko on Saturday in Ontario, California.

Jaime Munguia evidently preserved his perfect record by landing a left to the body that sent Sergey Derevyanchenko to the canvas in the final round of their fight Saturday in Ontario, California.

The official scores were 115-112, 114-113 and 114-113. Had Munguia won the final round 10-9 — instead of 10-8 — the latter two scores would’ve been 114-114, making the decision a majority draw.

Check out the punch below.

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