The anticipation has been ramped up ahead of next month's $300million mega fight between Floyd Mayweather Jnr and Manny Pacquiao. American television network Showtime has released a short promotional video from within the Mayweather camp as the build up to the May 2 bout at the MGM Grand in Las Vegas. Against the backdrop of a dramatic soundtrack the short film takes inside the gym with the undefeated American as he prepares for the biggest fight the sport has ever witnessed. The Showtime video takes you inside Floyd Mayweather Jnr's training camp ahead of $300m fight . The undefeated American looks focused as he takes a breather after a workout . Mayweather works on the bag as he prepares for the Fight of the Century on May 2 . Mayweather is down to within three-and-a-half pounds of the welterweight limit ahead of mega-fight . 'This is an unbelievable match-up,' Mayweather explains. 'I'm int he gym working right now, dedicating myself to the sport, pushing myself to the limit. 'I have never wanted to win a fight so bad in my life.' Mayweather and Pacquiao have been documenting their training camps on social media and are now just a few weeks away from contesting the WBA, WBO and WBC welterweight titles. Mayweather was last week down to within three-and-a-half pounds of the 147 lbs welterweight limit when he weighed in for the mandatory check 30 days before the fight.
Floyd Mayweather Jnr and Manny Pacquiao fight in Las Vegas on May 2 .
Showtime have released a short film from inside the Mayweather camp .
The undefeated American says he has never wanted to win a fight so much .