Underdog Fantasy Sign-Up Bonus: Double Your Bankroll

All hail the king of fantasy sports! If you haven’t tried Underdog Fantasy Best Ball or its daily fantasy pick’em contests yet, what are you waiting for? Now is the perfect time to get in the game, as Underdog is offering a generous deposit match for new users. Register now and claim your Underdog Fantasy sign-up bonus today!

Underdog Fantasy Sign-Up Bonus TodayClick Here To Claim Underdog Fantasy Sign-Up Bonus STOKASTIC21!
Sign-Up Bonus DescriptionGet your first deposit DOUBLED on Underdog up to $100!
TermsMust be 18+ (21+MA & AZ, 19+ AL, NE). Concerned with your play? Call 1-800-GAMBLER

Underdog Fantasy Sign-Up Bonus Today

Underdog Fantasy offers a generous $100 match on your initial deposit. Simply register for a new account and put in some funds, and Underdog will match your deposit up to $100.

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Underdog Fantasy is both a season-long and daily fantasy product focusing largely on its season-long fantasy football app, but it also provides options for basketball, baseball and other sports as well as pick’em-style DFS contests. Underdog Fantasy stands out by offering quick and easy drafts where users select a roster of players within a limited time frame. It has innovated game formats like Best Ball, where users draft a team and their highest-scoring players are automatically selected each week, eliminating the need for lineup management.

One of the most anticipated contests at Underdog Fantasy is the “Best Ball Mania” tournament, which requires a small $25 entry fee and boasted an unprecedented $15 million in prizes last season. Existing users can enter BBMIV without an Underdog Fantasy promo code.

On top of the 100% deposit match up to $100 and Best Ball Mania, Underdog Fantasy has a handful of other promotions and events that could be live at any given time:

  • Refer-a-Friend: Receive $10 in credits when a friend enters your username as the referral code and makes a deposit of at least $10.
  • Multiplier Boosts: Boosted multipliers for winning in Underdog Pick’em; for example, a 20x Standard entry gets boosted to 50x if all five picks are correct.
  • Pick’em Specials: Underdog discounts a player projection to encourage picks on the “higher” side of a higher/lower projection, usually down to higher/lower than 0.5 points, total yards, etc.
  • Sweepstakes: Users enter into a Sweepstakes drawing by making a pick on a specific player and stat that Underdog chooses; winners are then randomly drawn from the pool of entrants.

With Underdog’s Refer-a-Friend program, existing Underdog players can refer new users to the platform. To start, the new user must register with Underdog Fantasy, make an initial deposit of at least $10 and input the referring friend’s username into the referral code box. Upon completing these steps, the referrer will receive a $10 credit.

Please make note of these conditions when referring friends:

  • The referrer will receive the site credit only after their friend makes a deposit of at least $10.
  • The referred friend must adhere to Underdog’s terms and conditions and play through all of their initial deposit.
  • Once the site credit is received, the referrer cannot withdraw it unless it has been used in an Underdog Fantasy contest.

With its wide array of promos and exciting events, Underdog Fantasy is one of the best fantasy sports products in the biz. Whether you like pick’em DFS or Best Ball, Underdog Fantasy is the place to go — and when you do, don’t forget Stokastic’s Underdog Fantasy sign-up bonus!

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Don’t delay! Get your DFS and Best Ball going with this Underdog Fantasy sign-up bonus today. Looking for other promos and DFS apps? Stokastic has a litany of reviews, promotions and Promo Codes for you to help find the right DFS game for you.

Sam Smith is a writer and editor with Stokastic and OddsShopper. He has been immersed in the world of professional sports data since 2015, while also writing extensively on the NFL for a multitude of blogs and websites. With Stokastic, Sam looks to blend his sports and editorial expertise with Stokastic's data to bring you the best fantasy information possible.

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