Re-watch Jermell Charlo's KO of Jeison Rosario in the 8th round with a power punch to the body to become the unified 154-lb champion. Jermell Charlo returns to the ring looking to make boxing history when he defends his WBC, WBA and IBF belts against WBO champ Brian Castaño on Saturday, July 17th, LIVE on SHOWTIME. #CharloDoubleheader #JermellCharlo #CharloCastano 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 SHOWTIME Basketball: Instagram: https://www.instagram.com/showtimebas... Follow ALL THE SMOKE: Instagram: https://www.instagram.com/allthesmoke/ 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 MORNING KOMBAT: Instagram: https://www.instagram.com/morningkombat/ Follow INSIDE THE NFL: Facebook: https://www.facebook.com/insidetheNFL Twitter: https://twitter.com/insidetheNFL Instagram: https://www.instagram.com/insidetheNFL/ 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/