Ryan Burton catches the final press conference to the Showtime Pay-Per-View undercard to Floyd Mayweather Jr. vs. Robert Guerrero. Abner Mares moves up to the featherweight division to challenge WBC champion Daniel Ponce De Leon. J'Leon Love battles Gabe Rosado in a middleweight clash, and former champion Leo Santa Cruz moves up the super bantamweight division to face veteran Alexander Munoz.