Juan Manuel Marquez

Manny Pacquiao says random drug testing is "really important" for his upcoming bout with Brandon Rios "because, you never know, some fighters use drugs."

Miguel Cotto could be closing in on a date for his ring return this year, and the list of possible opponents includes a lot of heavy hitters.

Unbeaten welterweight contender Keith Thurman on the other top fighters in the 147-pound division: "There's no elite fighter out there that intimidates me. I'm not intimidated by no fighter, by no man."

According to SI.com's Fortunate 50, Floyd Mayweather Jr.is projected to be the highest-paid athlete in American sports for the second straight year, potentially earning between $90 million and $128 million.

There was not much action this past week but we do have some movement to report in THE RING’s division ratings, including slight changes to the 140- and 118-pound rankings.

Olympic gold medalist and former featherweight beltholder Yuriorkis Gamboa will meet Colombia's Darley Perez in an HBO-televised lightweight match on June 8 in Montreal.

Top Rank will pay for Manny Pacquiao and Brandon Rios to be randomly drug tested by The Voluntary Anti-Doping Agency, according to company CEO Bob Arum.

Freddie Roach will gauge Manny Pacquiao's future based on his performance against Brandon Rios: "If he performs well in this fight, then he'll go on. If he doesn't, then it will be over."  

Showtime's Stephen Espinoza: "Floyd Mayweather is still, without question, the No. 1 pay per view star in boxing, and, actually, in all of sports."

Manny Pacquiao is requesting random drug testing in advance of his Nov. 23 clash with Brandon Rios.

Brandon Rios on his November bout against Manny Pacquiao: "This is a very exciting fight for me. Not only for me, but also for the fans."

Brandon Rios says of his showdown with Manny Pacquiao: "We both like to fight. We both hardly back down. We both throw a lot of punches in bunches. So it's going to be one helluva good fight."

RING and WBO featherweight champion Miguel Angel "Mikey" Garcia will try to remain undefeated against former 122-pound and featherwieght beltholder Juan Manuel Lopez on June 15 in Dallas, Texas.

Freddie Roach prefers Manny Pacquiao to fight Brandon Rios over Mike Alvarado: "I think that Rios is probably a better fight, action-wise." Roach is being inducted into the Nevada Boxing Hall of Fame on Thursday.

Floyd Mayweather Jr. on the relationships with his father Floyd Sr., and his uncle Roger Mayweather: "I'm happy to be back working with my father, and I'm working with my father and Roger."

Floyd Mayweather Jr. spoke on topics ranging from his skills, age, jail time, Robert Guerrero's gun charge and the challenger's cancer-surviving wife during a nearly 40-minute interview with reporters on Tuesday.

Robert Guerrero "may have God on his side," writes Gareth Davies of The Daily Telegraph, London, "but Floyd Mayweather has the God-given gifts." Forty boxing insiders give their picks and analyses on the big fight.

Unbeaten super middleweight Anthony Dirrell will end a 17-month ring absence when he returns on May 3 in a Fox Sports Net-televised bout against an opponent to be determined at the Cosmopolitan in Las Vegas.

Robert Guerrero on Floyd Mayweather: "You've got a lot of people out there who think that Floyd is like a God. He's got everybody thinking that... nobody can beat him. But... being a big believer in God, there's a blueprint for everybody."

Should Floyd Mayweather Jr. get beyond a May 4 date with Robert Guerrero at the MGM Grand, he could return to that site on Sept. 14 and go head-to-head with a potential clash between Tim Bradley and Juan Manuel Marquez.

Tim Bradley told ESPN that he ranks himself between Floyd Mayweather Jr. and Juan Manuel Marquez and ahead of Manny Pacquiao as the top fighters at 147 pounds.

Once-beaten Argentine welterweight Luis Carlos Abregu, who has scored knockouts in five straight fights since falling to Tim Bradley by unanimous decision in July of 2010, has signed a promotional deal with Top Rank.

Yuriorkis Gamboa will return to the ring for a clash of unbeatens against Colombian Darley Perez on the June 8 card that also features RING and WBC light heavyweight champion Chad Dawson against Adonis Stevenson.

Tim Bradley: "To be honest with you, I want Juan Manuel Marquez. I want the guy that beat Manny Pacquiao. Two guys that beat Manny, you know. Let's go at it. Let's settle it."

In accepting his award for Fighter of the Year, an emotional Nonito Donaire spoke of coming a long way since being the "small, frail, asthmatic little boy" of his childhood.

If he gets beyond a mandatory title defense against Karo Murat in July, IBF light heavyweight beltholder Bernard Hopkins would like to face Carl Froch or Lucian Bute. (This story also contains a video of Hopkins accepting Gennady Golovkin's challenge.)

Chris John looks to extend his impressive record - the longest unbeaten streak among active, world-class boxers - when he defends his WBA featherweight title against Satoshi Hosono on April 14. The 33-year-old veteran tells RingTV.com that he isn't ready to wind down his career.

Top Rank CEO Bob Arum said that in the next few days he'll be meeting with fighters and their teams in New York, with the goal of selecting Manny Pacquaio's September opponent no later than Sunday.

Nonito Donaire on his final press conference staredown with Guillermo Rigondeaux: "Today was my moral victory in terms of me being able to face off against him. I know that he felt my energy and that's why maybe he looked away from me."

RING junior featherweight champ Nonito Donaire on clash with Guillermo Rigondeaux on Saturday: "When it comes down to the title fights, we're both aggressive and we can both be offensive guys."

Junior middleweight contender Carlos Molina could challenge IBF beltholder Ishe Smith in July, according to his promoter, Leon Margules.

Richard Schaefer on Golden Boy Promotion's new deal with Fox Sports: "For Golden Boy, it is one of the most significant, if not, the most significant television deals we have ever put together."

A new deal between Golden Boy and Fox Sports will result in a new Monday boxing series and allow fans to rewatch classic bouts from the promoter's fight library featuring Floyd Mayweather, Oscar De La Hoya, Manny Pacquiao and Bernard Hopkins, among others.

HBO has released a video of Nonito Donaire's greatest performances in advance of his April 13 fight with Guillermo Rigondeaux.

Unbeaten welterweight Keith Thurman says he would like to face Paulie Malignaggi, Tim Bradley and Floyd Mayweather, in order.

Four-division beltholder Juan Manuel Marquez was ringside for Saturday night's victory by Mike Alvarado over Brandon Rios, as was WBO welterweight titleholder Tim Bradley.

Unbeaten super middleweight contender Edwin Rodriguez will face Ezequiel Osvaldo Maderna as part of Saturday night's Monte Carlo Million Dollar Super Four tournament.

Brandon Rios answers fans' questions about his rematch with Mike Alvarado, dream fights with Juan Manuel Marquez and Manny Pacquiao, a mythical matchup vs. Julio Cesar Chavez, and his beef with Adrien Broner in this episode of REAL TALK.

Manny Pacquiao according to the Manila Standard: "I never avoid anyone. I don’t choose easy fights. I will fight anybody, anytime, anywhere."

Top Rank CEO Bob Arum would like to "mix-and-match" Brandon Rios, Manny Pacquiao, Juan Manuel Marquez and Tim Bradley over the course of the next few months.

Miguel Cotto's monster left hook against Austin Trout was captured by Tom Hogan, whose photo will be honored as the best action shot of the year by the Boxing Writers' Association of America. 

Manny Pacquiao's advisor said the rift between HBO and Golden Boy does not concern the fighter, and claims both Showtime and HBO are in the running to televise Pacquiao's next bout. Pacquiao's promoter Bob Arum says that's hogwash, the Filipino icon's next bout will be on HBO.

Unbeaten featherweight prospect Gary Russell Jr. claims he has been pursued by promoter Curtis Jackson, who is also known as the rapper 50 Cent. Russell is managed by Al Haymon and has a working relationship with Golden Boy Promotions.

Former unified lightweight titleholder Juan Diaz will end a nearly three-year ring absence on April 13 against Pipino Cuevas Jr. 

Read on for fan thoughts and questions about Tavoris Cloud-Bernard Hopkins, Keith Thurman-Jan Zaveck, Floyd Mayweather-Robert Guerrero, Saul Alvarez-Austin Trout, what’s next for Manny Pacquiao and Andre Ward, plus other subjects in this week’s Friday mailbag. Enjoy!

It was a very interesting fight week with stimulating discussions from the Ratings Panel, which resulted in movement in several divisions. The Panel’s input included their approval of the May 4 Floyd Mayweather-Roberto Guerrero welterweight fight being for the vacant RING 147-pound title.

Freddie Roach on Joel Diaz: "I would like to tell him where to go, but the things is, he doesn't know me."

Tim Bradley on Ruslan Provodnikov: "Absolutely, I'm looking to make a statement in this fight. I'm looking to do some damage to this guy."

WBO welterweight titleholder Tim Bradley will be out to overwhelm March 16 rival Ruslan Provodnikov, who has served as a sparring partner for Manny Pacquiao and scored knockouts in four of his five straight victories.