<text>  Manny Pacquiaos preparations for the biggest fight of his career against Floyd Mayweather Jnr have been disrupted by his opponents manageradviser, 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 . Pacquiaos welterweight unification bout against Floyd Mayweather is expected to total 300million . Al Haymon is an adviser, manager andor 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 OJays 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 Britains 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 Haymons team have offered them more more money to stay at home - in attempt to derail their preparations. Im hiring sparring partners, Al Haymons people calls them up and offers more money for them not to come. But Im 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. Im confident that well win the fight and this will be the biggest fight night of all our lives. The guy is undefeated, hes a very good boxer and hes the most talented fighter well ever face. Hes tricky also... hes 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 manageradviser and helped arranged the May 2 fight . Roach right believes Haymon has paid fighters to stay at home - in a bid to derail Pacquiaos preparations . The eagerly-anticipated bout on May 2 pits Mayweathers WBA and WBC welterweight world titles against Pacquiaos 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 Roachs 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 stars 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 im 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. 