Errol Spence Jr. jumped in to substitute for Jermall Charlo on Tim Tszyu's July 25 welterweight card in Australia after Charlo's travel paperwork issue . Spence called out Charlo's public trash talk, stating the opponent 'talks a lot of s*** '. The visa denial scrapped the scheduled bout just days before fight night. Spence's offer keeps the card scrambling on short notice as promoters scramble to keep alive the event. The late twist has fans talking about what comes next for the Australian headline . Spence's history of big-stage performances makes his pitch hard to ignore, even on a rushed schedule . Charlo's team has yet to break their silence , leaving rumors swirling around his next move. For now, the focus stays on what the card looks like as the promotion pushes forward .