WATCH: Spence vs. Porter Kickoff Press Conference

Watch the kickoff press conference for the IBF/WBC Welterweight Title unification bout between IBF champ Errol Spence Jr. and WBC champ Shawn Porter, featuring both men as well as former WBC super middleweight champion David Benavidez, who challenges current champ Anthony Dirrell in the Sept. 28 co-main event.