Jermall Charlo and Jermell Charlo will co-headline a Showtime Pay-Per-View broadcast September 26th. ermall Charlo will defend his WBC middleweight title versus Sergiy Derevyanchenko, the number one contender for his 160-pound crown. His twin brother, Jermell Charlo, will face Jeison Rosario in a 154-pound title unification fight as part of the same six-fight pay-per-view show from Mohegan Sun Arena in Uncasville, Connecticut. Showtime announced the Charlo doubleheader Wednesday morning, along with seven other live events it will air either on that premium cable network or on pay-per-view.