After grabbing the ESPN BET bonus, make sure to check out other Tennessee sports betting promos that are also currently available. Here's all you need to know about the ESPN BET Tennessee promo and additional details. What do you need to know about ESPN Bet Tennessee? Is there be an ESPN Bet Tennessee promo code? We'll keep you updated on everything you need to know about this brand new sportsbook. ESPN BET has gone live in Tennessee! A product of a partnership between PENN Entertainment and ESPN, this new sportsbook has launched in the Tennessee sports betting market as the newest wagering option in the Volunteer State.