This would just be so great. Lol. Floyd Mayweather takes on Saul “Canelo” Alvarez on September 14th at the MGM Grand in Las Vegas. In the past we’ve seen 50 Cent, Justin Bieber, Lil Wayne & more walk Mayweather to the ring, but now we might have someone a little bit different. I’ll give you a hint … he’s a Vine star —- Ooooo, Kill’em! Check out Floyd’s re-tweet…