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Denis Grachev has made a career out of being an underdog who performs better than expected. In 2011, he knocked out then-undefeated Vladine Biosse of Providence, R.I., on Biosse's New England turf. Two fights later, in 2012, Grachev was the relati...

As an amateur fighter, Darley Perez was a 2008 Olympian for his native Colombia. As a professional, he is undefeated but a bit too old to still be called a prospect and not proven enough yet to be called a contender. But now that Perez (28-0, 19 K...

Undefeated junior middleweight titleholders Saul "Canelo" Alvarez and Austin "No Doubt" Trout will meet to unify their 154-pound belts in one of the premier fights of the year after the complicated logistics of the bout were worked out Wednesday.

Thanks to three consecutive impressive performances on NBC Sports Net's "Fight Night" series this year, Philadelphia heavyweight prospect Bryant Jennings has emerged as one of the of top American hopes in the division. He beat undefeated Maurice ...

Heavyweight world champion Wladimir Klitschko will look to add to his increasingly historic title run when he makes defense No. 13 against undefeated Mariusz Wach on Nov. 10 in Hamburg, Germany.

The exit strategy from boxing for longtime featherweight titlist Chris John is in motion: Three more fights to what he hopes will be a 50th career victory and then retirement as an undefeated titleholder. Sampson Lewkowicz, John's longtime adviser...

On June 2, former lightweight and unified junior lightweight titleholder Acelino "Popo" Freitas ended a retirement of more than five years to face undefeated Brazilian countryman Michael Oliveira, who had relentlessly called out Freitas, almost in an...

Ask super middleweight champ and undefeated pound-for-pound star Andre Ward who gave him his toughest fight. He'll tell you it was Sakio Bika. Australia's Bika, who won "The Contender" reality series tournament in 2007, is as rugged as they come. ...

As Floyd Mayweather Jr. likes to say, 42 have tried and 42 have failed to take his undefeated record. But along the way, Mayweather has encountered at least a few problems. Jose Luis Castillo gave him a very tough time in two lightweight champions...

Timothy Bradley Jr. started as a long shot to fight Manny Pacquiao. Now that the fight is set for June 9, the undefeated junior welterweight is more than confident in his ability to score a major upset.

Arthur Abraham was undefeated and a tournament favorite heading into the Super Six Classic, but the event sent his career off the tracks. He'll try to reverse his momentum Saturday in Offenburg, Germany.

Floyd Mayweather Jr.'s proclamation that he's looking "to make the biggest fight possible" on May 5 at the MGM Grand was a "sick joke," according to Top Rank CEO and Manny Pacquiao representative Bob Arum.

Floyd Mayweather Jr. does not plan on taking another 16-month vacation from the boxing ring, like he did after easily outpointing Shane Mosley in May 2010.

Nonito Donaire defended his belt, won all 12 rounds, handed an undefeated fighter his first loss and still failed to impress -- all because Omar Narvaez refused to come out of his shell Saturday

Sergio Martinez was seeking bigger game, but with his options limited, the middleweight champion chose to accept the challenge of undefeated but unproven Darren Barker.

Undefeated fighters Andre Berto and Juan Manuel Lopez are boxing's latest upset victims, as welterweight Victor Ortiz and featherweight Orlando Salido became unexpected titleholders in weekend action.