WBC/WBA welterweight champion Floyd Mayweather Jr. of the U.S. talks about his hand during a post fight news conference after beating Marcos Maidana of Argentina at the MGM Grand Garden Arena in Las Vegas, Nevada September 13, 2014. Mayweather said he los
WBC/WBA welterweight champion Floyd Mayweather Jr. of the U.S. talks about his hand during a post fight news conference after beating Marcos Maidana of Argentina at the MGM Grand Garden Arena in Las Vegas, Nevada September 13, 2014. Mayweather said he lost feeling in his fingers after the eighth round. REUTERS/Mark Hundley

Many people believe that Floyd Mayweather Jr. is afraid to face Manny Pacquiao in the boxing ring because he has not yet answered the Filipino boxing icon's challenge to fight him. Sam Watson, who is a longtime friend of Mayweather's adviser Al Haymon, has said that the undefeated boxer wants to fight Pacquiao.

"Floyd wants to fight him (Pacquiao) real bad," Watson told Fight Hype. "Floyd, that's all he talks about is fighting Manny Pacquiao, so once the deal is set and done, you're going to be seeing the biggest fight you ever saw in your life."

Watson further said that he believes that super fight between Mayweather and Pacquiao would go down twice. Recently, Pacquiao's trainer Freddie Roach has said that Mayweather is demanding a rematch clause.

Watson also shared his thoughts on Pacquaio's last fight against Chris Algieri Macau. He said that Pacquiao is back to his old winning form, which makes the fight great for Mayweather. Watson said that Mayweather keeps telling him every day that he wants the Pacquiao fight.

As far as how the Mayweather-Pacquiao fight is going to go, Watson has no doubts that Mayweather will win it, but he also said that the Filipino fighter will also be able to hit the undefeated boxer too. For Watson, the Mayweather-Pacquiao fight will be the biggest fight in the history of boxing in the current generation.

According to an article by Yahoo Sports, Watson used to work for Motown Records. He was a close friend of the late singer Marvin Gaye, who introduced him to Muhammad Ali. Watson's job in Motown Records also paved the way for his longtime friendship with Haymon. Watson and Haymon, who was once a concert promoter, had a meeting in 1980 and they have been friends ever since.

Mayweather and Pacquiao have been fighting it out on social media these past few months. On Dec. 1, Pacquiao took a jab at Mayweather after posting one photo of his latest fight against Algieri. Pacquiao's caption was directly intended for Mayweather.

"Stop throwing punches on Instagram and let's get in the ring," Pacquiao wrote. The eight-division Filipino world champion also included the hashtag #TBE, which Mayweather uses to describe himself as "The Best Ever."

A week ago, Mayweather also taunted Pacquiao on Instagram. He posted a video of Pacquiao being knocked out by Juan Manuel Marquez.