Watch 50 Cent prepare for the fight tonight!
Gamboa will fight Michael Farenas for the WBA Title on the undercard of Manny Pacquiao vs. Juan Manuel Marquez tonight.
Music: 'My Life' ft. Eminem & Adam Levine. Song available for download on iTunes now! http://smarturl.it/50MyLife
Download the Thisis50 app for free for iPhone and Android