Fight Night: Sat, Apr 29, 2017 - Sam's Town Live, Las Vegas

Zambrano vs Marrero

Claudio Marrero scored a shocking first-round KO of Carlos Zambrano to claim a 126-pound interim world title.
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Zambrano vs Marrero HIGHLIGHTS: April 29, 2017

Claudio Marrero waited 3½ years for a second world title opportunity. He needed all of 90 seconds to make the most of it.

Carlos Zambrano and Claudio Marrero

Claudio Marrero (right) wasted no time in gaining a first-round knockout of Carlos Zambrano in their 126-pound interim world title fight at Sam's Town Live in Las Vegas. (Idris Erba/Mayweather Promotions)

Determined to make an emphatic statement in the stacked 126-pound division, Marrero stunned undefeated interim champion Carlos Zambrano with a crushing first-round knockout in Las Vegas.

The victory was the heavy-handed southpaw’s eighth in a row since he lost a hard-fought unanimous decision to Jesus Cuellar in an interim championship bout on August 1, 2013.

In his second shot at the same title, Marrero barely broke a sweat in taking apart Zambrano and handing the Lima, Peru, native his first career defeat.

Marrero went on the offensive from the opening bell, attacking Zambrano to the body and stalking him around the ring. Then at the midway point of the round, with his opponent retreating toward the ropes, the 28-year-old Dominican flicked a jab that caught Zambrano on the chin, followed by a lightning-quick left hook that dropped the champion to all fours.

As soon as he hit the deck, Zambrano—with his forehead pressed to the canvas—began pounding his fist in frustration, but he never tried to make it to his feet as referee Vic Drakulich counted him out at the 1:30 mark.

Ring rust may have been a factor for Zambrano, who had fought just three times in the last four years, most recently in August 2015, when he defeated Jose Sanmartin by unanimous decision in the first defense of his interim title.

Then again, it wasn’t like Marrero had been excessively active either, having been out of action since last August. The difference was Marrero’s ring hiatus wasn’t voluntary. He said he spent months trying to make a fight with the champion, only recently getting Zambrano to sign on the dotted line.

Given the ferocious way in which Marrero dethroned Zambrano, it’ll be interesting to see who in the ultra-competitive 126-pound division—be it fellow titleholders Leo Santa Cruz, Abner Mares, Gary Russell Jr. or Lee Selby—will be eager to jump in the ring with the Dominican southpaw.

Apr 29, 2017 / Zambrano vs Marrero, Claudio Marrero

Marrero scores stunning first-round KO of Zambrano to claim 126-pound interim title

Apr 28, 2017 / Zambrano vs Marrero, Claudio Marrero

Marrero aims to cash in on second title shot in challenge of unbeaten Zambrano

Apr 20, 2017 / Shumenov vs Dorticos, Zambrano vs Marrero, Beibut Shumenov, Claudio Marrero

Injury to Shumenov elevates Zambrano-Marrero to main event on April 29