Dustin Jacoby said he “heard the boos” just before he knocked out Vitor Petrino in highlight reel fashion at UFC on ESPN 63.

Dustin Jacoby is making a late play for Knockout of the Year. Jacoby punched a hole through Vitor Petrino -- and his way back into the win column -- with an explosive right hand at UFC Fight Night in Tampa on Saturday.

Dustin Jacoby was likely down on the scorecards but then he delivered a jaw-dropping one-punch knockout to finish Vitor Petrino at UFC Tampa

Is Dustin Jacoby a passable test for Vitor Petrino, who enters UFC Tampa on the heels of his first career loss?

Veteran striking talent, Dustin Jacoby snapped his two-fight losing skid tonight on the main card of UFC Fight Night Tampa -- turning in an impressive third

Dustin Jacoby pulled off an absolute shocker of a result at UFC Tampa, sleeping Vitor Petrino with one clean punch in round three.

Check out these photos highlighting Dustin Jacoby's knockout win over Vitor Petrino at UFC on ESPN 63 from Amalie Arena in Tampa, Fla. (Photos by Nathan Ray Seebeck, Imagn Images)

Dustin Jacoby made sure the judges weren’t necessary as he put Vitor Petrino away in the third round of their fight at UFC Tampa on Saturday.