On Sunday, December 21, 2025, Underdog Fantasy advances its Texas rollout. The daily fantasy operator pushes its Texas expansion forward with an eye-catching welcome promotion: the Underdog promo code DIMERS scores a Play $5, Get $75 in Bonus Entries promo available exclusively to residents in eligible markets.
This move stands well above standard DFS offers. By activating the Underdog promo code DIMERS today, newcomers lock in a significant bankroll boost, placing this $75 guarantee among the most lucrative DFS offers available today.

The Underdog Promo Code California's updated terms and conditions can be viewed here.
The timing of the launch aligns perfectly with the NFL playoff race, giving new users a strong entry point. The Underdog promo code structure for Texas is structured to deliver instant liquidity to first-time players.
Rather than relying on traditional deposit-match bonuses, the Underdog promo code DIMERS provides a guaranteed $75 bonus, awarded regardless of how the initial entry performs.
Underdog’s promo code launches during a critical Week 16 stretch of the NFL season. Texas bettors can deploy a $5 entry on the following NFL contests to unlock the $75 bonus.
Sunday NFL Football: December 21, 2025
| Matchup | Time | Venue | Spread | Moneyline |
|---|---|---|---|---|
| Chargers vs. Cowboys | 1:00 PM ET | AT&T Stadium | Cowboys -1.5 | Cowboys -126, Chargers +108 |
| Raiders vs. Texans | 4:25 PM ET | NRG Stadium | Texans -14.5 | Texans -1200, Raiders +750 |
All odds above subject to change, and provided for informational purposes.
By using the Underdog promo code to place a $5 entry on this game, accounts will be credited with $75 in bonus entries, providing a substantial bankroll for the upcoming weekend slate.

Underdog promo code DIMERS unlocks the DFS bonus when you follow these simple steps.
With the platform officially active, users must complete specific steps during registration to access the boosted launch offer. The Underdog promo code should be applied as outlined below:
With Underdog Fantasy in Texas, the fans are getting more than a new platform; they gain access to a powerful launch promotion. Entering the Underdog promo code DIMERS during the opening week ensures a bonus that helps sports enthusiasts kick off their legal fantasy journey in the Lone Star State on a strong note.
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. See assets.underdogfantasy.com/web/PlayandGetTerms_DFS_.html for details. Offer not valid in MD, MI, NJ, NY, OH, and PA. Concerned with your play? Call 1-800-GAMBLER or visit www.ncpgambling.org; NY: Call the 24/7 HOPEline at 1-877-8-HOPENY or Text HOPENY (467369).
To make sure you get accurate and helpful information, this guide has been edited by Damien Souness as part of our fact-checking process.

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