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Suzanne Teresa/Premier Boxing Champions
5mDan Rafael

Santa Cruz, Mares promise fight-of-the-year performance

Leo Santa Cruz and Abner Mares are among the most crowd-pleasing fighters. Both are promising a fight to remember when they meet at the Staples Center in Los Angeles.

Play3:34
2dBernardo Pilatti

Five keys for Abner Mares

Can Abner Mares reclaim his status of old against Leo Santa Cruz on Saturday? Bernardo Pilatti highlights five keys to victory.

Harry How/Getty Images
15m

ESPN3 replay: Angulo stops Munoz

Watch as Alfredo "Perro" Angulo defeats Hector "The Hurricane" Munoz by KO in a one-sided super middleweight battle on Saturday at the Staples Center in Los Angeles.

Play4:54
Suzanne Teresa/Premier Boxing Champions
2dBernardo Pilatti

Five keys for Leo Santa Cruz

Can Leo Santa Cruz remain unbeaten in Saturday's showdown against Abner Mares? Bernardo Pilatti highlights five keys to victory.

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The Ropes - Santa Cruz-Mares Preview

Rafe Bartholomew and Brian Campbell return to break down all the chatter heading into boxing's prime fall season and analyze Saturday's Leo Santa Cruz-Abner Mares fight on ESPN.

Play1:35
1d

Mayweather to Rousey: 'Big bank take little bank'

The verbal feud between boxer Floyd Mayweather and the UFC's Ronda Rousey continued into Thursday, when Mayweather issued a response to comments Rousey had directed at him a day earlier.

Jeff Gross/Getty Images
20hDan Rafael

Broner, Allakhverdiev to fight for 140-pound title

Adrien Broner and Khabib Allakhverdiev, both coming off losses, are going to fight for a vacant junior welterweight world title on Oct. 3 -- unless Top Rank's protest is upheld.

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Floyd Mayweather balls with Isaiah Thomas (2:00)
Scott Hirano/Showtime
1d

ESPN3 replay: Andre Berto open workout

Watch as former two-time welterweight titlist Andre Berto prepares for his fight against pound-for-pound king Floyd Mayweather on Sept. 12 in Las Vegas.

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Look ahead to Mares vs Santa Cruz (2:56)
Play2:35
3dMalik Smith, ESPN Stats & Information

Santa Cruz-Mares: Top stats to know

See how Leo Santa Santa Cruz is similar to Floyd Mayweather ahead of his fight against Abner Mares

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Shane Mosley ready for Ricardo Mayorga (4:34)
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ESPN Sport Science: Leo Santa Cruz vs. Abner Mares (2:35)
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GGG, Lemieux in emoji faceoff (4:56)
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Cotto and Alvarez join the Nation (5:53)
Atsushi Tomura/Getty Images
3dDan Rafael

Notes: Kameda ending nearly 2-year layoff

Former flyweight titlist Daiki Kameda will return from a nearly two-year layoff to face Victor Ruiz in a bantamweight fight Sept. 6 in Texas.

Dave Thompson/Getty Images
1dDan Rafael

Perez-Crolla rematch in Nov. at site of first bout

The rematch between lightweight titleholder Darleys Perez and Anthony Crolla, ordered after their controversial draw on July 18, will be Nov. 21 at Manchester Arena in England.

Noam Galai/Getty Images for HBO
3dDan Rafael

Jones Jr. bout postponed by weather concerns

Former long-time pound-for-pound king Roy Jones Jr., with an unusually busy schedule that called for two fights in two weeks and three in four weeks, won't be quite as busy as he planned.

Harry How/Getty Images
3dDan Rafael

Fonfara to face Cleverly with eye on Stevenson

Light heavyweight contender Andrzej Fonfara will face former light heavyweight titleholder Nathan Cleverly on Oct. 16 at the UIC Pavilion, Premier Boxing Champions announced Wednesday.

Mark Runnacles/Getty Images
4dNick Parkinson

History against Cornish in Joshua battle

Unbeaten Gary Cornish faces Anthony Joshua in September, but the Scotsman knows history is not on his side when he steps in to the ring with the human wrecking ball, writes Nick Parkinson.

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Mares: 'I've grown' since loss to Gonzalez (1:27)
Play1:18
4dDan Rafael

Cotto-Canelo adds to Puerto Rico-Mexico rivalry

The showdown between Miguel Cotto and Canelo Alvarez represents another chapter in the storied history of the Puerto Rico vs. Mexico rivalry, one of the best in boxing.

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Cotto's coach promises Canelo knockout (1:18)
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Making The Rounds: Santa Cruz-Mares preview (4:51)

Now

Santa Cruz, Mares square off on ESPN

In a showdown that could have Fight of the Year potential, unbeaten Leo Santa Cruz will take on Abner Mares, who has suffered just one defeat in 31 bouts. Live on ESPN, ESPN Deportes and WatchESPN

Suzanne Teresa/PBC

Santa Cruz-Mares En Español

Leo Santa Cruz and Abner Mares are just the latest in a long line of champion Mexican boxers, and they'll enter the ring tonight with 1 loss in 62 combined bouts. Live on ESPN Deportes en Español

Maury Phillips/Getty Images

Nigel Collins @NigelBoxing

Although they are not as well known as Santa Cruz & Mares, Hugo Ruiz vs. Julio Cesar Ceja should be a helluva fight.

Nigel Collins @NigelBoxing

The crowd here at the Staples Center is divided, but Santa Cruz seems the have the larger following, judging by the cheers & boos for both.

Nigel Collins @NigelBoxing

They have not announced the attendance yet, but the crowd here at the Staples Center is large and loud.

Nigel Collins @NigelBoxing

Munoz's corner stops the fight. Wise more. Perro via TKO at end of 5th. Crowd happy. Time to switch the TV to ESPN.

How Santa Cruz, Mares stack up

Leo Santa Cruz brings an unbeaten mark into tonight's PBC on ESPN event, and has the youth and reach advantages over former three-division champion Abner Mares.

Nigel Collins @NigelBoxing

Angulo is landing a lot of shots, but his punches don't have anywhere near the power they had in the past.