Footage rights provided by WSC Sports - https://tinyurl.com/anythingboxing Errol Spence Jr. and Shawn Porter delivered a fight-of-the-year contender, but it was Spence who emerged victorious, earning a split decision win in a thrilling battle to unify two welterweight world titles on Saturday night at Staples Center. After a cautious opening, the action exploded in Round 3 and never slowed down, with the crowd of 16,702 on its feet for much of the bout. Spence scored a crucial knockdown in Round