Showtime Boxing schedule 2021: Gervonta Davis vs. Mario Barrios; Jermall and Jermell Charlo highlight slate | CBS Sports Headlines Showtime Boxing schedule 2021: Gervonta Davis vs. Mario Barrios; Jermall and Jermell Charlo highlight slate PBC unveiled a plan for more than 13 fights over the summer including a return to … Continue reading Showtime Boxing schedule 2021: Gervonta Davis vs. Mario Barrios; Jermall and Jermell Charlo highlight slate