Juan Manuel Marquez

Readers comment on Nonito Donaire's recent decisions and his legacy, tomorrow night's Frankie Gomez-Lanard Lane fight, major boxing cards being scheduled on the same day, and RingTV.com's current poll in this week's Friday mailbag.

Unbeaten junior welterweight Brandon Rios will face fellow top-10 contender Mike Alvarado in a March 30 rematch of their bloody brawl that ended with Rios winning a seventh-round stoppage last October.

Newly-crowned WBO featherweight beltholder Mikey Garcia would grant a rematch to Orlando Salido, but prefers a more lucrative bout with Yuriorkis Gamboa.

Now fighting in the limelight after coming out in October, featherweight contender Orlando Cruz says he wants a title shot against the winner of Orlando Salido vs. Mikey Garcia.

Will Manny Pacquiao's next fight, likely against Juan Manuel Marquez, take place outside of the United States?

Orlando Salido on Mikey Garcia: "Seeing him in the gym today, it was very calm, and the respect is mutual. But in the ring on Saturday night, it's going to be a war that will please the people."

WBA middleweight titleholder Gennady Golovkin has a defense against Gabriel Rosado slated for Saturday night at The Theatre at Madison Square Garden. 

Zanfer Promotions' Sean Gibbons said "Adrien Broner can play around with these chumps and brush his hair and act like he's doing something, but until you fight Miguel Vazquez, you can not call yourself the best lightweight in the world."

IBF Championships Chairman Lindsay Tucker expects to approve a March 16 clash between his organization's lightweight titleholder Miguel Vazquez and WBO counterpart Rick Burns on Monday.

Unbeaten featherweight challenger Mikey Garcia said WBO beltholder  "Orlando Salido is the best featherweight champion in the world, and he has earned the right to be called that."

Sugar Ray Leonard on Juan Manuel Marquez's stoppage of Manny Pacquiao: "When someone goes down, face-first like that...let me tell you, I was very, very concerned about Pacquiao."

Top Rank CEO Bob Arum will suggest that Manny Pacquiao have a neurological examination despite calling two doctors' "eye-balling" assessments of Parkinsons' disease in the fighter "ludicrous."

Sugar Ray Leonard on Adrien Broner: "I've been watching this kid, man, and this kid, man, he's a talent. That kid has it. He's one of those rare fighters that has the entire package. He has everything."

Unbeaten junior welterweight Brandon Rios would love to face Mike Alvarado, Danny Garcia or Lucas Matthysse, among others, and laments the rift between his promoter Top Rank and rival Golden Boy.

WBO beltholder Orlando Salido says featherweight rival Mikey Garcia "has never faced a fighter who applies the type of pressure that I do," adding, "I'm going to give him trouble from the first bell to the last."

IBF junior welterweight beltholder Lamont Peterson could face Kendall Holt on Feb. 22 at the D.C. Armory.

The same fight that gave fans the KO of the Year and the Round of the Year -- the fourth fight between Manny Pacquiao and Juan Manuel Marquez -- was voted Fight of the Year in the RingTV.com year-end awards poll.

Juan Manuel Marquez's shocking sixth-round KO of arch rival Manny Pacquiao was the resounding choice for Knockout of the Year among fans who voted in RingTV.com's year-end award poll.

Many thrilling rounds were witnessed in 2012 but the fifth round of Manny Pacquiao-Juan Manuel Marquez IV featured two future hall of famers going at it, which enticed fans to vote it Round of the Year on RingTV.com's year-end awards poll.

Fans give their final thoughts on Manny Pacquiao's fall to Juan Manuel Marquez, as well as opinions on Amir Khan, Nonitio Donaire, and much more in this week's Friday mailbag. Enjoy!

Steve Cunningham's four-year appetite for revenge against Tomasz Adamek conjures comparisons to grudge matches like Thomas Hearns-Sugar Ray Leonard II and Juan Manuel Marquez-Manny Pacquiao IV. 

Tim Bradley-Lamont Peterson II and the anticipated Brandon Rios-Mike Alvarado rematch could be in the works for March, according to Top Rank CEO Bob Arum.

A Getty Images spokesperson says they are not necessarily asking for Manny Pacquiao's suspension in the wake of an alleged assault by members of the fighter's team on photographer Al Bello following Pacquiao's loss to Juan Manuel Marquez.

Juan Manuel Marquez's sixth-round knockout of Manny Pacquiao will be among "Boxing's Best" on HBO, a series comprised of seven major showdowns to be featured over five days beginning on Christmas.

Following an alleged assault by Pacquiao advisor Michael Koncz and assistant trainer Restituto "Buboy" Fernandez on photographer Al Bello in the post-fight aftermath on Dec. 8, Getty Images is requesting that the NSAC take action.

RING and WBO junior featherweight champion Nonito Donaire weighed in at 121.5 compared to the division limit of 122 for challenger Jorge Arce on Friday.

The post-fight drug tests for Juan Manuel Marquez and Manny Pacquiao returned negative for anabolic steroids, masking agents and marijuana, according to Keith Kizer, executive director of the Nevada State Athletic Commission.

HBO's exiting Larry Merchant: "I'm proud to be associated with so many talented people who made us into a groundbreaking network."

Thailand's former titleholder Poonsawat Kratingdaenggym is out of Saturday night's fight with WBA junior featherweight beltholder Guillermo Rigondeaux.

RING junior featherweight champion Nonito Donaire vows that "no way" will Saturday night's defense against Jorge Arce go the full 12 rounds.

Manny Pacquiao's advisor Michael Koncz called an incident with a photographer following Pacquiao's loss to Juan Manuel Marquez "a misunderstanding."

Manny Pacquiao went down swinging against rival Juan Manuel Marquez, a fact that his advisor, Michael Koncz, believes has endeared him to his fans even more.

IBF lightweight beltholder Miguel Vazquez: "I would like to fight Adrien Broner. That would be my choice, to fight Broner and face him and unify the titles. I want to prove myself against him."

Entering Saturday night's fight with Jorge Arce, Nonito Donaire said his Filipino fans are "in pain," many imploring him to "Do it for Manny," and "Lift our country back up again" in the wake of Manny Pacquiao's sixth-round knockout loss to Juan Manuel Marquez. 

Promoter Bob Arum on the notion from some members of the media that Juan Manuel Marquez-Manny Pacquiao IV would not do well: "That's why they're reporters and I'm a promoter."

IBF bantamweight titleholder Leo Santa Cruz aspires to the greatness of Mexican predecessors such as Julio Cesar Chavez Sr., Juan Manuel Marquez and Oscar Larios.

Does Juan Manuel Marquez rank with Julio Cesar Chavez Sr. among Mexico's all-time greats?

Manny Pacquiao's religious faith is helping the veteran former champ deal with the most devastating loss of his decorated career, his sixth-round knockout to Juan Manuel Marquez on Saturday.

Read on for all the fan feedback on Juan Manuel Marquez's shocking one-punch KO of Manny Pacquiao that can be contained in one mailbag. Enjoy!

Freddie Roach addressed the media after his star fighter, Manny Pacquiao, was knocked out by Juan Manuel Marquez. Roach spoke about Pacquiao's future and whether he would suggest retirement for the Filipino icon.

Juan Manuel Marquez spoke to the boxing media after his vindicating one-punch knockout of arch-rival Manny Pacquiao. This video and all RingTV videos are now available on your mobile devices.

Referee Kenny Bayless on Juan Manuel Marquez-Manny Pacquiao IV: "When the bell rang for the first round, I could actually really see that it wasn't going to go the distance."

Manny Pacquiao got the firefight he wanted from Juan Manuel Marquez, only to get burned. 

THE RING editor Michael Rosenthal gives his thoughts on Juan Manuel Marquez's shocking sixth-round KO of arch-rival Manny Pacquiao from the MGM Grand in Las Vegas, the site of the future hall of famers fourth fight.

All the action from the fourth fight in this epic series, ending with Juan Manuel Marquez's sixth-round knockout of Manny Pacquiao.

Bouts from the undercard of Marquez-Pacquiao IV, featuring Yuriorkis Gamboa vs. Michael Farenas, Miguel Vazquez vs. Mercito Gesta and Javier Fortuna vs. Patrick Hyland.

Juan Manuel Marquez's shocking sixth-round knockout avenged his two losses and a draw to Manny Pacquiao in shocking fashion on Saturday at the MGM Grand in Las Vegas.