“Sparred my promoter today [Floyd Mayweather] Great, Great, Great expereince today!! Learned a lot,” wrote TMT jr. welterweight Josue Vargas, who recently took to Instagram and posted a message revealing that he sparred his promoter, undefeated former pound-for-pound king Floyd Mayweather. It should be noted that Vargas is a southpaw, like Conor McGregor. Another Mayweather Promotions fighter, Andres Cortes, also took to Instagram to post a picture of himself alongside Mayweather, who was decked out in full sparring gear.