• Floyd Mayweather Jr and Manny Pacquiao

Floyd Mayweather Jr and Manny Pacquiao (Photo : REUTERS/Lucy Nicholson)

Eminem's protégé rapper 50 Cent has hinted that Justin Bieber will walk Floyd Mayweather Jr. into the ring during "The Fight Of The Century" or "Battle For Greatness," which will take place at the MGM Grand Garden Arena in Las Vegas, Nevada on May 2, Saturday.

On May 1, 50 Cent told ESPN's "SportsNation," "This is the man in Floyd. When you feel like there's nothing to prove, then you can have Justin Bieber right there in front of you."

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According to 50 Cent, it is all about Mayweather Jr.'s youngest daughter Iyanna, who is "such a huge Justin Bieber fan."

It is not clear whether 50 Cent will also join Mayweather Jr. and Bieber in the ring. The rapper told MTV News, "How you gonna put me out? How you gonna replace me with Justin Bieber? I'm hurt. I'm so hurt. I've just got to find one of these women to confide in."

While Mayweather Jr.  is an undefeated five-division world champion, his opponent Manny Pacquiao is currently the eight-division world champion.

As appointed by the Nevada Athletic Commission, the in-ring referee in the highly anticipated fight is Kenny Bayless, who has officiated seven of Pacquiao's fights and five of Mayweather Jr.'s fights in the past.

Serving as the judges are Burt Clements, Glenn Feldman and Dave Moretti.

Bayless will be paid $25,000 as the referee while Clements, Feldman and Moretti will each be paid $20,000 as judges.

While 50 Cent appears to be not busy with his music career, his mentor Eminem's Shady Records dropped its latest album, Yelawolf's "Love Story" on April 28.