Jeff is a member of the famous Mayweather family. The uncle of Floyd Mayweather Jr., Jeff had a successful pro career where he was able to capture the WBO featherweight title.
After his boxing days were over, Jeff went on to become an even more successful trainer. He has worked with such notable champions as Sultan Ibragimov and the current WBA featherweight champion Celestino Caballero.
Lately Jeff has found himself working with more and more mixed martial artists. Vitor Belfort, Roy Nelson, King Mo, TJ Dillashaw, Jake Ellenberger, Ryan Martinez and Danny Castillo are among those who have sought out Jeff’s services.