Shawn Porter and Kell Brook, former welterweight champions who have both clashed with Spence and Crawford and two of the top trainers in the sport, Virgil Hunter and Stephen "Breadman" Edwards, will preview the upcoming undisputed welterweight championship showdown between WBC/WBA/IBF Welterweight Champion Errol Spence, Jr. and WBO Champion Terence Crawford during a virtual media roundtable before the long-awaited clash.