ESPN is rebooting its Snapchat Discover channel with two daily "SportsCenter" shows. The new "SportsCenter" episodes will be three-to-five minutes in length and will feature a rotating cast of younger hosts, including Katie Nolan and Elle Duncan. The move comes as ESPN is under pressure from macro trends like cord-cutting and digital upstarts such as Bleacher and Barstool Sports. ESPN is looking to revive ? and reinvent ? "SportsCenter," and it's turning to Snapchat for help. Starting Nov.