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3h

ESPN3: Berto open workout, 4 p.m. ET

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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11m

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.

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Floyd Mayweather balls with Isaiah Thomas (2:00)
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Suzanne Teresa/Premier Boxing Champions
3h

ESPN3: Santa Cruz-Mares weigh-in, 5:30 p.m. ET

Watch as undefeated Leo Santa Cruz and former three-division titlist Abner Mares hit the scales for their most-anticipated Saturday's fight.

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Look ahead to Mares vs Santa Cruz (2:56)
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Suzanne Teresa/Premier Boxing Champions
7hBernardo 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.

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1dMalik 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
2dDan 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.

Noam Galai/Getty Images for HBO
2dDan 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
2dDan 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
2dNick 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)
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3dDan 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)
AP Photo/Tony Gutierrez
4dDan Rafael

Jean's team talks rematch before Crawford bout

Junior welterweight titlist Terence Crawford was on hand at the CenturyLink Center in his hometown of Omaha, Nebraska, on Monday for the news conference to announce his first title defense.

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4dDan Rafael

Jones, 46, eyes title shot against Glowacki

Roy Jones Jr., playing out the string of his career at age 46, has his eyes on another world title shot even as he plans two more fights in the next month.

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Nigel Collins @NigelBoxing

"I will beat Leo Santa Cruz because I'm a better fighter than he is--all around more talented," Abner Mares.

Five keys for Leo Santa Cruz

There's no secret regarding Santa Cruz's first and most important winning strategy against Abner Mares: take advantage of his height and longer reach. What else does the undefeated Mexican star have to do to come out on top tomorrow night (ESPN, 10 p.m.)? Precision, accuracy, listening

Suzanne Teresa/Premier Boxing Champions

Nigel Collins @NigelBoxing

"I'm in great spirits, Ready to perform. I don't look at videos of my opponents. I study myself, perfecting my style," Abner Mares

Mayweather is good at more than boxing

Celtics PG Isaiah Thomas doesn't ease up on Floyd Mayweather when the two square off in hoops. In fact, Thomas turns it up a notch just to match the pound-for-pound champ,

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Dan Rafael @danrafaelespn

Ran into former champ Danny Romero last night at fight hotel. Hadn't seen him in few years. Had great talk. He's doing well in retirement.