There are a lot of boxing trainers in the world, but few are as well regarded as Pacquiao’s trainer, Freddie Roach and Juan Manuel Marquez’s trainer, Nacho Beristain. Pacquiao-Marquez III happens Sat., Nov. 12 live on pay-per-view. For more information on HBO Boxing, visit . br br Watch HBO Sports series and events online at HBO GO® br With HBO GO, you can watch your favorite HBO Sports series and events on your iPad® (), iPhone® () or Android™ () smartphone. Free with your HBO subscription through participating TV providers.