NEW YORK ”” The Showtime boxing pay-per-view show headlined by Floyd Mayweather Jr. and Robert Guerrero last Saturday will surpass 1 million buys, Showtime Executive Vice President of Sports and Event Programming Stephen Espinoza told SI.com. Espinoza declined to give an exact figure but said “we‘re very comfortable saying that the pay-per-view buys for Mayweather-Guerrero [”¦]