New Jersey Division of Gaming Enforcement As such, they already had online sports betting licenses in 17 states, allowing for a massive rollout of the highly anticipated ESPN BET app. PENN Entertainment is rebranding their previous sports betting platform, Barstool Sportsbook, to ESPN BET on Nov. ESPN Sportsbook App Launching in 17 States See the 17 states opening up sports betting for the ESPN sportsbook on Nov. The same launch time is expected to apply for all 17 states, however timing could differ depending on how each state rolls out the ESPN BET app. PENN Entertainment already had legal sports betting market access in these 17 states thanks to their previous operations that will now be rebranded as ESPN BET. We’re less than a week away from the launch of ESPN BET, and 17 states will welcome the new sportsbook powered by PENN Entertainment on Tuesday, November 14. Mandatory Credit: Ron Chenoy-USA TODAY Sports Denver, Colorado, USA General of a ESPN mid court broadcast camera before the game between the Dallas Mavericks against the Denver Nuggets at Ball Arena.