ESPN BET Sportsbook is owned and operated by PENN Entertainment, Inc. and its subsidiaries ('PENN'). ESPN BET is available in states where PENN is licensed to offer sports wagering. Must be 21+ to wager. If you or someone you know has a gambling problem and wants help, call 1-800-GAMBLER.

Fanatics also has daily odds boosts and arguably the best rewards program around. Bettors earn FanCash with every wager, which can be converted into bonus bets at the sportsbook and used on March Madness games. It can also be used as site credit at Fanatics’ retail website, where you can buy merchandise of your favorite teams and players.

Many in legalized sports betting states who filled out brackets in ESPN’s ubiquitous tournament challenge contest this week were greeted by a congratulatory pop-up fronted by falling confetti after they hit the submit button -- along with an invitation to wager on their chosen winner at ESPN Bet, with odds for that team featured prominently.