Boxing trainers break down Jermall Charlo-Sergiy Derevyanchenko and Jermell Charlo-Jeison Rosario

Jermell Charlo, right, celebrates with his brother Jermall Charlo, left, after defeating Tony Harrison to recapture the WBC junior middleweight world title in December. Meg Oliphant/Getty Images

Saturday's pay-per-view event at Mohegan Sun in Uncasville, Connecticut (Showtime PPV 7 p.m. ET), features bothers Jermall and Jermell Charlo, who will co-headline in a two-part format. For both fighters, this weekend represents a massive opportunity to further establish themselves as rising stars in the sport.