Players seeking a unique online sports gaming experience, especially in time for the NFL season, should visit the Underdog site. This incredible platform is packed with a multitude of features, including competitive odds, fast loading speeds, and a vast selection of sports markets to suit all preferences. A standout feature of the site is certainly the huge new player offer of Play $5 Get $100 in Bonuses!

• CLAIM UNDERDOG PROMOTION HERE

This is not only an excellent way to kick start your time at the site, but also earn potential rewards to enjoy in time for the NFL. With a huge game tonight between the 49ers and Colts, there is no better time to redeem the offer. Keep reading to learn more.

Underdog NFL 'NDUNDOG' Promo

Underdog is giving new users a boost for NFL action with its Play $5, Get $100 in Bonus Funds promotion. To claim, sign up for a new Underdog account, deposit at least $10, and submit a $5 entry on any qualifying NFL pick. Once graded, $100 in bonus funds will be added to your account.

These funds can be used across Underdog’s NFL Pick’em contests, from player stat predictions to game-specific selections. Enter promo code NDUNDOG at registration. Open to users 18+ in participating states, this offer adds extra excitement to every play and scoring opportunity.

Week 16 NFL: San Francisco 49ers vs Indianapolis Colts

Tonight’s Week 16 matchup features the San Francisco 49ers visiting the Indianapolis Colts at Lucas Oil Stadium with kickoff set for 8:15 PM ET. Both teams are looking to strengthen their playoff positioning as the season nears its final stretch. San Francisco will aim to impose its balanced offensive attack, led by dynamic passing and a strong running game, while Indianapolis looks to leverage home-field advantage and defensive pressure to disrupt the 49ers’ rhythm. Fans can expect a hard-fought, high-stakes contest with momentum swings and late-game drama under the primetime lights.

Underdog Bonus T&Cs

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, 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).

Legal States for Underdog

To redeem the current welcome offer from Underdog, users must be 18+ and located in a legal state. Our team of experts have detailed the legal Underdog states below:

• Alabama

• Alaska

• Arizona

• Arkansas

• California

• Colorado

• DC

• Florida

• Georgia

• Illinois,

• Indiana

• Kentucky

• Massachusetts

• Minnesota

• Missouri

• Nebraska

• New Mexico

• New York

• North Carolina

• North Dakota

• Oklahoma

• Oregon

• Rhode Island

• South Carolina

• South Dakota

• Tennessee

• Texas

• Utah

• Vermont

• Virginia

• West Virginia

• Wisconsin

• Wyoming

How to Redeem the Underdog 'NDUNDOG' Bonus

Our valued readers will be pleased to hear that the current Underdog NFL promo is simple to claim. Follow our step-by-step guide below to get started.

1. Firstly, click the link within this article to access the Underdog site.

2. Once on the interface, select ‘Sign Up’ to begin registration.

3. You must enter all required information on the form, including your full name, email address, and login details.

4. Next, you need to verify your Underdog account by selecting the link in your email inbox from the brand. 

5. You must fund your account to redeem the lucrative bonus and play at the site. To do so, visit the cashier section of the site. 

6. You may be required to choose a payment method and enter the amount you wish to deposit here.

7. The minimum deposit for the welcome offer $10, and the minimum play for the $100 in bonus funds is $5.

8. You must enter the promo code 'NDUNDOG' when prompted.

9. Once you have completed all of the above steps, the bonus offer will be granted to you.  

Responsible Gambling

If you or someone you know has a gambling problem and wants help, call or visit the Council on Compulsive Gambling:

• Gamblers Anonymous at 855-2-Call GA or www.gamblersanonymous.org

• CO, DC, IL, IN, LA, MD, MS, NJ, OH, PA, TN, VA, WV, or WY – Call 1-800-GAMBLER

• AZ – Call 1-800-NEXT-STEP

• IA – Call 1-800-BETS-OFF

• KS, NV – Call 1-800-522-4700

• KY – Call 1-800 GAMBLER, 18+

• MI – Call 1-800-270-7117 for confidential help

• MA – Call 1-800-327-5050

• NC – Call – 1-800-662-4357

• NY – Call 877-8-HOPENY or text HOPENY (467369)

DISCLAIMER: The information on this site is for entertainment purposes only. Gambling comes with its fair share of risks, and it is essential to recognize that when using online gambling sites.

While we review different gambling sites, you should check with local laws in your area before gambling online. Also, all gambling sites and guides are rated 21+ only.

The following free gambling addiction resources can be of help:

21+ Please Gamble Responsibly.  Gambling Problem? Call or text 1-800-GAMBLER

NCPG – ICRG – Gamblers Anonymous – Gambling Therapy