Former unified champ Guillermo Rigondeaux and challenger John Riel Casimero speak to the media and go head to head in the final press conference before they step in the ring for a special SHOWTIME CHAMPIONSHIP BOXING event on Saturday starting at 10PM ET/7PM PT. #SHOSports #RigondeauxCasimero #Presser #ShowtimeChampionshipBoxing Subscribe to the SHOWTIME Sports YouTube channel: https://goo.gl/s8CWVT Follow SHOWTIME Sports: Facebook: https://www.facebook.com/ShoSports/ Twitter: https://twitter.com/SHOsports Instagram: https://instagram.com/shosports Official Site: https://www.sho.com/sports Follow SHOWTIME Boxing: Facebook: https://www.facebook.com/ShoBoxing Twitter: https://twitter.com/ShowtimeBoxing Instagram: https://instagram.com/showtimeboxing Snapchat: https://www.snapchat.com/add/showtimeboxing Tumblr: http://showtimeboxing.tumblr.com/ Follow INSIDE THE NFL: Facebook: https://www.facebook.com/insidetheNFL Twitter: https://twitter.com/insidetheNFL Instagram: https://www.instagram.com/insidetheNFL/ Follow BELOW THE BELT with Brendan Schaub: Facebook: https://www.facebook.com/BelowTheBeltSHO Twitter: https://twitter.com/btbshowtime Instagram: https://www.instagram.com/belowthebelt/ Follow SHOWTIME: Facebook: https://www.facebook.com/showtime Twitter: https://twitter.com/Showtime Instagram: https://instagram.com/showtime/ Youtube: https://www.youtube.com/user/SHOWTIME Official Site: https://www.sho.com/