Report: Floyd Mayweather used WADA-banned IV before Manny Pacquiao fight

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WADA rules do not allow intravenous infusions or injections of more than 50 milliliters per six hours "except for those legitimately received in the course of hospital admissions, surgical procedures, or clinical investigations."

According to the report, WADA bans such injections and infusions because they can be used to "dilute or mask the presence of another substance."

SB Nation also reported that USADA did not inform the Nevada commission about the IV until May 21, when it sent correspondence to commission officials and Top Rank, Pacquiao's promoter, notifying them that Mayweather had been given a retroactive therapeutic-use exemption, which was allowed in the contract the fighters signed to cover the drug-testing protocol for the bout. However, when the commission and Top Rank requested more information about it, they learned Mayweather had not applied for the exemption until May 19. It was granted May 20, the report said.

While Mayweather was given an exemption three weeks after the fight, Pacquiao was denied a request to be injected with the legal painkiller Toradol on fight night to ease pain in his injured rotator cuff, which he had surgery on after the bout. The commission declined Pacquiao's request because it was not made in a timely manner, and he had not previously disclosed the injury.

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