Brian Campbell sits down the opponents in Saturday’s unique Showtime PPV card featuring dual main events headlined by twin brothers Jermall and Jermell Charlo. Sergiy Derevyanchenko explains whether he will need to alter his style following two close title losses to Daniel Jacobs and Gennadiy Golovkin. Jeison “Banana” Rosario, meanwhile, shares his belief that his big right hand will be enough to unify 154-pound titles. Plus, Rafe Bartholomew drops by to preview the card at length. ----------------------------- 'State of Combat' is available on Apple Podcasts, Spotify, Stitcher, Castbox, Google Podcasts, Bullhorn and wherever else you listen to podcasts.    Follow our hosts on Twitter: @BCampbellCBS, @Rafeboogs, @stateofcombat   For more boxing coverage from CBS Sports, visit https://www.cbssports.com/boxing/ To hear more from the CBS Sports Podcast Network, visit https://www.cbssports.com/podcasts/ Learn more about your ad choices. Visit megaphone.fm/adchoices