Underdog Promo Code YAHOOBONUS: Earn $50 in Bonus Funds on a $10 First Play on World Series Game 1 Friday

· Yahoo Sports

Sign up with Underdog promo code YAHOOBONUS to get a 5X return from an initial $10 play as the World Series gets underway in Milwaukee. 

Visit bettingx.club for more information.

Click the banner, and the Underdog promo code will be applied automatically

Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org; AZ: 1-800-NEXT-STEP (1-800-639-8783) or text NEXT-STEP to 53342; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).

Underdog promo code

YAHOOBONUS

New user offer

Receive $50 in bonus funds after an eligible first entry of at least $10; 1X playthrough required to withdraw bonus funds

Minimum deposit

$10 (all Underdog deposit methods have a $10 minimum)

Age

18+, rising to 19+ or 21+ in some states

Eligible states

40 states plus DC; check the in-app list

Information verified on

October 23, 2026

  • New customers only: 18+ in most states, 19+ or 21+ in others. Check your state.

  • Minimum deposit: $10 is the minimum deposit for all Underdog deposit methods.

  • Match rate: 5x; an initial play of $10 returns $50 in bonus funds.

  • Bonus funds: not withdrawable, and subject to a playthrough requirement.

  • Underdog Predict: a separate prediction market with its own state list.

  1. Click through from this page to Underdog.

  2. Register an account and enter promo code YAHOOBONUS.

  3. Complete verification prior to your first entry.

  4. Deposit at least $10.

  5. Build your first pick'em entry on Rays vs. Brewers Friday night (or any other game of your choice.

There are other games on the sports calendar Friday, but I will be locked into the World Series. Here are picks I am making:

Player

Projection

My pick

Jacob Misiorowski, MIL

6.5 Strikeouts

Higher

Junior Caminero, TB

0.5 Home Runs

Lower

William Contreras, MIL

1.5 Total Bases

Higher

Milwaukee has had a long layoff before the start of the series, but American Family Field is sure to be electric with Misiorowski on the mound. Even in relatively short starts he can pile up Ks.

Caminero finally hit his first home run of the postseason Monday, but I think he'll be kept in the yard in Game 1, due to the Brewers’ stable of strong pitching options.

Contreras, on the other hand, has been coming up clutch in the playoffs, so I am going to ride that trend.

Click the banner, and the Underdog promo code will be applied automatically

Must be 18+ (19+ in AL, NE; 19+ in CO for some games; 21+ in AZ, MA, and VA) and present in a state where Underdog Fantasy operates. Terms apply. Concerned with your play? Call 1-800-MY-RESET or 1-800-GAMBLER or visit www.ncpgambling.org; AZ: 1-800-NEXT-STEP (1-800-639-8783) or text NEXT-STEP to 53342; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).

Not right away, no. Bonus funds must be played on a contest one time before being withdrawn.

All Underdog deposits, including first deposits, have a $10 minimum. 

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