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Unbeaten welterweight prospect Jessie Vargas will debut under Top Rank against Aaron Martinez on Sept. 13 in Las Vegas.

Manny Pacquiao's advisor and promoter are on their way to the Philippines to discuss the fighter's next move, which could be a return bout with either Tim Bradley, Juan Manuel Marquez or Miguel Cotto.

Floyd Mayweather Jr. was released from the Clark County Detention Center in Nevada just after midnight on Aug. 3 after having served 63 days of an 87-day sentence thanks to good behavior.

Featherweight Jayson Velez will pursue his 19th straight win without a loss against Leivi Brea on Saturday night's Deontay Wilder-Kertson Manswell undercard.

Top Rank CEO Bob Arum applauds the creation of TMT Promotions by rapper 50 Cent and Floyd Mayweather Jr., saying it will energize the sport and possibly set the stage for Mayweather vs. Pacquiao.

Rapper 50 Cent has contacted super middleweight Andre Dirrell about a promotional deal and may also have his sights on a partnership with Floyd Mayweather Jr.

Former three-division beltholder Miguel Cotto is expected to return to the ring on Dec. 1 at New York City's famed Madison Square Garden.

The random tests of urine samples taken from middleweights Sergio Martinez and Julio Cesar Chavez Jr. on July 11 have returned negative in advance of their HBO-televised clash on Sept. 15. 

Adrien Broner says upsets happen in boxing for two reasons: The losers are not him, and they are not Floyd Mayweather Jr.

Floyd Mayweather heads a list of Sports Illustrated's top 50 highest-paid American athletes.

The results of random urine test samples taken from Julio Cesar Chavez Jr. and Sergio Martinez on July 11 are expected sometime this week or early next week, according to Nevada State Athletic Commission executive director Keith Kizer. 

Undefeated welterweight contender Selcuk Aydin says he's coming to score a knockout against Robert Guerrero, whom he will face in the for WBC's 147-pound interim title bout on July 28 on Showtime.

Feisty at fifty: Julio Cesar Chavez Sr. says RING middleweight champion Sergio Martinez has "been talking a lot of bulls--t." Martinez meets his son, WBC beltholder Julio Cesar Chavez Jr., on Sept. 15 in Las Vegas.

Floyd Mayweather trumped Andre Ward and mixed martial artists Jon Jones and Anderson Silva for the ESPYs' "Best Fighter" honors.

WBC junior middleweight titleholder Saul "Canelo" Alvarez wants to defeat Josesito Lopez on Sept. 15, challenge Floyd Mayweather Jr. and eventually face countryman and WBC middleweight beltholder Julio Cesar Chavez Jr.

A Nov. 10 rematch with either Tim Bradley, Juan Manuel Marquez or Miguel Cotto appears to be the likely scenario for Manny Pacquiao, while a highly-anticipated mega bout against Floyd Mayweather Jr. is considered a long shot.

The next opponent for WBC junior middleweight titleholder Saul Alvarez could be named as early as Wednesday, according to Golden Boy Promotions CEO Richard Schaefer. 

Juan Manuel Marquez on Tim Bradley-Manny Pacquiao: "I think that Pacquiao beat Bradley maybe by four points, because I had Pacquaiao winning eight rounds and Bradley winning four rounds."

A judge has denied an attempt by the lawyers of boxer Floyd Mayweather to gain house arrest status rather than complete the remainder of his 87-day jail sentence in the Clark County Detention Center.

Trainer Freddie Roach expects Manny Pacquiao to dominate challenger Tim Bradley, perhaps as badly as when Bradley was knocked down three times during an amateur bout.

Former three-time welterweight titleholder Antonio Margarito announced that he is retiring from boxing on his Facebook page on Thursday.

Five-time, three-division world titleholder Shane Mosley has retired at the age of 40 with a final pro mark of 46-8-1, with 39 knockouts, according to a close friend and camp coordinator.

Floyd Mayweather Jr. on his upcoming jail sentence: "Can't nothing break Floyd Mayweather. Whatever hand is dealt to you in life, you've got to deal with that hand. That's called being a real man."

Austin Trout: "I want to take the doubt out of people's hearts of what type of champion I am. I have no doubt that I'm where I'm supposed to be. I have no doubt that, after my fight against Delvin Rodriguez, that I'll be bigger than where I'm at now."

Manny Pacquiao told Jimmy Kimmel he has "found out how to obey and to follow the commandments of God" as a result of studying the Bible.

Bob Arum on Mike Jones: "Depending on how Mike does in this fight with Randall Bailey, you know, he would be in the future mix for Manny Pacquiao or for Tim Bradley."

Although he calls Tim Bradley a "handsome" fighter, Manny Pacquiao's ready to mess up the challenger's pretty face. 

Manny Pacquiao will make his sixth appearance on the Jimmy Kimmel show on Thursday night.

WBC middleweight beltholder Julio Cesar Chavez Jr. has split with strength and conditioning coach Alex Ariza in advance of his June 16 defense against southpaw Andy Lee.

Paul Williams promoter, Dan Goossen, calls a potential clash with WBC junior middleweight beltholder Saul Alvarez "a great fight for the sport, and a great fight for both fighters."

Could WBC 154-pound titleholder Saul Alvarez face former two-time welterweight beltholder Paul Williams, THE RING's No. 8-rated junior middleweight contender, on Sept. 15?

Floyd Mayweather Jr.'s unanimous decision over Miguel Cotto generated $94 million in pay per view revenue.

Robert Guerrero, who has been a world-ranked featherweight, junior lightweight and lightweight, will try to earn a top-10 ranking in the 147-pound division against undefeated welterweight contender Selcuk Aydin on July 28.

"The way to beat Floyd is to outwork him every minute of every round," says Manny Pacquiao's trainer, Freddie Roach. "Manny is the only fighter capable of executing that game plan."

Rapper 50 Cent, part of Floyd Mayweather's "Money Team," says he is considering making his pro boxing debut.

Floyd Mayweather unanimously decisioned Miguel Cotto, taking his WBA junior middleweight belt for his eighth crown in five weight classes.

WBC junior middleweight beltholder Saul Alvarez won a unamimous decision over Shane Mosley, ending his streak of 21 victories over fighters of Mexican decent.

Former welterweight beltlholder Carlos Quintana stopped junior middleweight up-and-comer Deandre Latimore in the sixth-round of their bout on the Floyd Mayweather-Miguel Cotto undercard in Las Vegas on Saturday.

Floyd Mayweather Jr. and Saul Alvarez will wear Grant Gloves, while their opponents, Miguel Cotto and Shane Mosley will wear Everlast.

WBC junior middleweight titleholder Saul Alvarez on Shane Mosley: "I've never faced anybody like him."

Floyd Mayweather Jr. says his defensive style has always been a conscious choice, but if you think that means he doesn't know how to bang, think again.

WBC welterweight beltholder Floyd Mayweather Jr. weighed a career-high 151 pounds to the 154 for WBA junior middleweight titleholder Miguel Cotto, who will defend his crown against Mayweather on Saturday night.

Antonio Margarito has suffered a foot injury that will postpone his fight with Abel Perry from May 26 to July 7. 

WBC welterweight titleholder Floyd Mayweather Jr. will earn an all-time record purse of $32 million for Saturday night's clash with WBA junior middleweight beltholder Miguel Cotto.

WBC junior middleweight beltholder Saul Alvarez is the same age as Shane Mosley Jr., whose father will oppose him in the co-feature to the Floyd Maywether-Miguel Cotto bout on Saturday night.