Mayweather vs Mosley Live Stream. On May 1, 2010 the highly anticipated Floyd Mayweather vs Shane Mosley fight will be upon us. It’s the biggest fight in the first half of the boxing calendar, and it should serve to answer many questions about both man’s status in the welterweight division as well as their positioning amongst the all-timers from this generation and others previously.

Shane Mosley will be fighting in the ring with Floyd Mayweather Jr. for the welterweight super fight where Mosley will be defending his title for the welterweight division against the unbeatable Floyd Mayweather, Jr. this May 1st at the MGM Grant in Las Vegas, Nevada.

This fight became possible when Mayweather became available after his agreement for a fight with manny pacquiao went to ashes. Both fighters agreed to fight each other but it’s the drug testing protocol that stopped the negotiation because Pacquiao camp did not agree on Mayweather’s camp Olympic style drug testing which is not a requirement under the NSAC