Priceless Floyd Mayweather reaction to TRT question (Video). He may be "Money" inside the boxing ring, but the pound-for-pound king is clueless when it comes to testosterone replacement therapy (TRT), which continues to plague the world of mixed martial arts (MMA). His reaction is somewhat surprising, considering how often he's suggested rival pugilist Manny Pacquiao is enhancing his performances. Speaking of which, you can see results, videos and reactions of Mayweather's win over Miguel Cotto last Saturday night in Las Vegas right here.

Pound for pound king Floyd Mayweather Jr. is asked his thoughts on TRT or testosterone replacement therapy. Mayweather, who is 35 has no clue what it is as the therapy has created controversy in MMA.

Roger Mayweather believes Floyd Mayweather Jr.'s fight with Miguel Cotto will not be easy but Floyd will out box and out think Cotto. He also comments on not knowing who Cotto's trainer is as well as why fighters from the midwest are so great.

Floyd Mayweather Jr. talks about potentially taking a break after this fight with Miguel Cotto and that ideally he would like to stay active and fight the other champions in boxing. He also talks about using 10oz gloves for his fight with miguel cotto.

Roger Mayweather speaks to marcos villegas and says that down the stretch on may 5th, Floyd Mayweather will probably stop Miguel Cotto. Mayweather also speaks on his nephews training as well as age in this exclusive interview.

"Sugar" Shane Mosley says he is finally 100% and this is a big problem for Saul "Canelo" Alvarez. He is also speaks to fight correspondent Marcos Villegas about why he has kept his speed and what in his opinion still has made him sharp.

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Floyd Mayweather Jr. says Miguel Cotto's style is already set and that his new trainer Pedro Diaz can not do much to change the fighters ways.

50 Cent takes over our Fight Hub TV cameras as he provides commentary while Floyd Mayweather Jr. is hitting the heavy bags at his open media day at the Mayweather gym in Las Vegas, NV.

Full video highlights of Floyd Mayweather Jr. working out and training in preparation for Miguel Cotto at the Mayweather Boxing Club in Las Vegas, NV.

Lamont Peterson talks to our fight hub tv cameras about his rematch with Amir Khan on May 19th!

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Amir Khan talks about his upcoming rematch with Lamont Peterson and promises a toe to toe battle on May 19th.

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Video shot and owned by Damien Acevedo

Sergio Martinez held a open workout session with trainer Pablo Sarmiento in New York as he prepares to face off with Matthew Macklin on March 17th in MSG.

Exclusive video of middleweight king Sergio Martinez preparing for his upcoming showdown with Matthew Macklin in Madison Square Garden on March 17th.

Dana White talks to our Fight Hub TV cameras and gives his opinion on Floyd Mayweather Jr. vs. Miguel Cotto and Manny Pacquiao vs. Timothy Bradley. He also urges both Pacquiao and Mayweather to cut the BS and fight.

Manny Pacquiao adviser Michael Konzc opens up about the phone conversation Manny Pacquiao and Floyd Mayweather Jr. had a few weeks back. Konzc is quoted as saying he believed "mayweather would be a asshole over the phone," but was not and reveals the reason why Mayweather declined team pacquiao's offer for a fight.

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Super bantamweight champion Nonito Donaire talks about being called out by just about everyone in the super bantamweight division. He shares his thoughts on Guillermo Rigondeaux and admits he believes he is a boring fighter.

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Fight correspondent Marcos Villegas speaks to Tito Ortiz as the former UFC light heavyweight champion talks about the first time he met Quinton Rampage Jackson. Conversation turns to Ortiz fighting Jackson in which he admits would only do for a title shot.

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Fight correspondent Marcos Villegas speaks to Tito Ortiz as the former UFC light heavyweight champion talks about the first time he met Quinton Rampage Jackson. Conversation turns to Ortiz fighting Jackson in which he admits would only do for a title shot.

UFC welterweight Dan Hardy is posed the question, would he be a Jedi or a Sith Lord?

UFC welterweight Dan Hardy is posed the question, would he be a Jedi or a Sith Lord?

Video: Michael Bisping talks about idolizing Mike Tyson and Frank Bruno growing up. He reveals that Jean Claude Van Damme inspired him to take up martial arts. Bisping also comments on recent British boxers such as Ricky Hatton and speculates that Amir Khan could be bigger than Hatton and he believes the young fighter has the tools to beat Floyd Mayweather Jr.

Michael Bisping talks to fight correspondent Marcos Villegas about idolizing Mike Tyson and Frank Bruno growing up. He reveals that Jean Claude Van Damme inspired him to take up martial arts. Bisping also comments on recent British boxers such as Ricky Hatton and speculates that Amir Khan could be bigger than Hatton and he believes the young fighter has the tools to beat Floyd Mayweather Jr.

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UFC light heavyweight Brandon Vera talks about his views of boxing and feels that after Manny Pacquiao vs. Floyd Mayweather Jr. fight that boxing will be over.

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UFC light heavyweight Brandon Vera talks about his views of boxing and feels that after Manny Pacquiao vs. Floyd Mayweather Jr. fight that boxing will be over.

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Oscar De La Hoya talks about what is next in terms of Saul "Canelo" Alvarez as he would like to see the young mexican champion take on James Kirkland or the top 154lb fighters. He also would like to match Alvarez against Floyd Mayweather jr.

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Phil Davis works on a little bit of wrestling as well as technique at Blackline MMA in San Diego.

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Phil Davis works on a little bit of wrestling as well as technique at Blackline MMA in San Diego.

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Miesha Tate talks to fight correspondent Michael Mardones about Ronda Rousey. The womens fighter shares some pretty strong views about the breakthrough star.

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Miesha Tate talks to fight correspondent Michael Mardones about Ronda Rousey. The womens fighter shares some pretty strong views about the breakthrough star.

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Oscar De La Hoya voices his displeasure about Bob Arum not wanting to make big fights happen with his fighters, wanting to match up Erik Morales against Juan Manuel Marquez and how hard it is to work with Bob Arum.