Summary
A promotion from Underdog offers new customers a $100 bonus for making a $5 entry on sports events like NFL, MLB, and college football games. The offer includes in-app features such as profit boosts and various betting options for major sports matches. The promotional code is verified as of October 3, 2025, and is available in states where sports betting is legal.
Key Facts
- New customers signing up with the Underdog promo code get a $100 bonus after a $5 entry.
- The promotion includes NFL, MLB, and college football games.
- In-app promos such as "Boostober" offer additional profit boosts.
- The bonus is confirmed by Newsweek and valid as of October 3, 2025.
- Some of the college football games mentioned include Texas vs. Florida and Miami vs. Florida State.
- NFL games include Vikings vs. Browns, Raiders vs. Colts, and others.
- MLB postseason daily drafts are available for fans with changing totals during games.
- Customers must create an account and make a deposit using PayPal or a debit card to participate.
