Manny Pacquiao 's preparations for the biggest fight of his career against Floyd Mayweather Jnr have been disrupted by his opponent 's manager/adviser , claims trainer Freddie Roach . Pacquiao took to Instagram on Thursday to post the latest video of him at work from his Los Angeles training camp , as his $ 300million bout at the MGM Grand in Las Vegas draws closer on May 2 . However , Roach has accused Al Haymon - who works with Mayweather - as attempting to sabotage their sparring selections ahead of the fight . VIDEO Scroll down to see Manny Pacquiao training ahead of Floyd Mayweather bout . Manny Pacquiao uploaded an Instagram post on Thursday undergoing some shadow boxing . Pacquiao 's welterweight unification bout against Floyd Mayweather is expected to total $ 300million . Al Haymon is an adviser , manager and/or promoter to many top boxers in the United States . The Cleveland-born Haymon initially made his fortune in music by promoting such acts as MC Hammer , Whitney Houston and The O ’ Jays before venturing into boxing . A business administration graduate , his biggest client is Floyd Mayweather Jnr - who he helped leave Top Rank promotions . As well as Mayweather his elite 150-fighter stable also includes Britain 's Amir Khan , Deontay Wilder and Julio Cesar Chavez - a man Carl Froch is keen to fight . The 55-year-old claims that they have had several chosen sparring partners , who have a similar fighting style to Mayweather , decline their offer to train with their camp because Haymon 's team have offered them more more money to stay at home - in attempt to derail their preparations . ' I 'm hiring sparring partners , Al Haymon 's people calls them up and offers more money for them not to come . [ But ] I 'm not worried about those guys , ' Roach told ABS-CBN News . 'We got four really good sparring partners for Manny for this fight , Mayweather look-alikes . 'We started our game plan five years ago but we changed it a little bit . Definitely there will be some adjustments . I 'm confident that we 'll win the fight and this will be the biggest fight night of all our lives . 'The guy is undefeated , he 's a very good boxer and he 's the most talented fighter we 'll ever face . He 's tricky also ... he 's intelligent as a fighter . I believe we need to fight the perfect fight . ' Freddier Roach ( right , pictured in November ) claims Al Haymon is paying fighters not to spar with Pacquiao . Haymon ( centre ) works with Mayweather ( right ) as his manager/adviser and helped arranged the May 2 fight . Roach ( right ) believes Haymon has paid fighters to stay at home - in a bid to derail Pacquiao 's preparations . The eagerly-anticipated bout on May 2 pits Mayweather 's WBA and WBC welterweight world titles against Pacquiao 's WBO crown in a unification fight . The two camps have had an acrimonious relationship at times in the past and that appears to have continued following Roach 's latest comments . Despite the apparent setbacks , Pacquiao looked in good shape judging by his most recent social media upload which demonstrated his hand-speed . The Philippine star 's trait , combined with his punching-power , has proved a destructive combination that has yielded 57 wins from a 64-fight professional career - with 38 of those via knockout . And these skills were on show as he he engaged in some shadow boxing in the ring . Accompanied with the caption : 'Day 3 of my gym work out i feel slow but i 'm not worried because i still have a lot of time . Thank you Lord for strengthening me day by day . God Bless everyone , ' [ sic ] the southpaw boxer dances his way around the ring while throwing some combinations .
Manny Pacquiao fights Floyd Mayweather at the MGM Grand on May 2 . Pacquiao shows off impressive hand-speed during training session . 36-year-old 's trainer Freddie Roach claims their plans are being sabotaged . Roach believes Al Haymon is paying people not to spar with Pacquiao . Haymon is a manager/adviser that works with Mayweather . CLICK HERE for all the latest Pacquiao vs Mayweather news .