BROOKLYN, N.Y. — Unbeaten junior welterweight Zachary Ochoa is rising fast.

Very fast.

At 3-0, with as many knockouts, the 20-year-old from Brooklyn often has taken as much time getting to the ring as he does in it.

Ochoa’s first fight lasted four rounds, the second, 42 seconds, and the last, 2:09.

That was in November, when Ochoa was in the ring on the undercard of an eighth-round knockout victory by Adrien Broner for the WBC’s lightweight belt over Antonio DeMarco at Boardwalk Hall in Atlantic City.

Ochoa’s triumph, over Michael Salcido, of Casa Grande, Ariz., was among five knockouts on the night.

Ochoa was in attendance during a Wednesday press conference at Barclays Center, site of Saturday night’s HBO-televised match up between IBF 175-pound titleholder Tavoris Cloud (24-0, 19 KOs) and former RING light heavyweight and middleweight champ Bernard Hopkins (52-6-2, 32 KOs).

Hopkins-Cloud will mark only the second-ever boxing event at Barclays, with the third scheduled for April 27 and to feature the live Showtime telecast of a defense by RING, WBA and WBC junior welterweight champion Danny Garcia (25-0, 16 KOs) against former titleholder Zab Judah.

Ochoa said he has been confirmed for the Garcia-Judah card, which will represent a special homecoming for the young fighter.

“I’m on it. It’s already confirmed, and it will be a lot different from being in Atlantic City. I don’t know who I’m fighting yet, but it really doesn’t matter, because I’m going to be in the place I represent the most. This is going to be in my hometown, and it’s going to be in the biggest arena in Brooklyn,” said Ochoa.

“So I love the fact that I get to fight on such a big card. Not somewhere out of the state, but in my hometown of Brooklyn, New York. Everybody knows about it. I’m going to be selling thousands and thousands of tickets. I’m bringing the whole Brooklyn crew over here, from Brownsville, to Bushwick, to Flatbush, you name it. I got everybody from every hood coming.”

And Ochoa appears to be determined to give his supporters their money’s worth. That is, for as long his fight lasts.

Photo by Tom Hogan, Hogan Photos, Golden Boy Promotions

Lem Satterfield can be reached at [email protected]