Underdog is a leading platform for players looking for a unique sportsbetting experience. With the exciting Conference Championships taking place today, there is no better time to earn potential rewards. Fortunately, Underdog flaunts a new player offer Play $5 Get $75 in Bonuses when users enter the promo code NDUNDOG and crate an account with the site.

As well as this incredible welcome offer, the Underdog site itself is bursting with a large selection of site features. These include competitive odds and fast loading speeds. To find out more about the Underdog NFL bonus and how to claim it, keep reading.

Underdog Conference Championships Bonus

Underdog is bringing added excitement to the NFL Conference Championships with its Play $5, Get $75 in Bonus Funds welcome offer for new users. Getting started is easy, create an Underdog account, deposit at least $10, and submit a $5 entry on any qualifying NFL Pick’em pick to unlock the promotion.

After your entry is settled, $75 in bonus funds will be credited to your account. These bonus credits can be used across Underdog’s NFL Pick’em contests, including player stat projections and matchup-focused selections throughout Conference Championship weekend. Be sure to enter promo code NDUNDOG during sign-up. Open to users aged 18+ in eligible states, this offer adds extra value to football’s biggest games before the Super Bowl.

NFL Conference Championships 2026

The NFL Conference Championships 2026 bring the postseason to its most critical point, as the final four teams go head-to-head for a place in the Super Bowl. With championship berths on the line, every possession, adjustment, and coaching decision takes on added weight, and home-field advantage can play a pivotal role in shaping the outcome.

Fans can expect polished game plans, fearless play-calling, and superstar performances under immense pressure. From momentum-shifting drives to clutch defensive stops and late-game heroics, Conference Championship weekend delivers high-stakes drama and unforgettable moments as the road to the Super Bowl reaches its defining chapter.

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).

Underdog Legal States

Players must be located in the following legal Underdog states detailed by our experts below in order to successfully redeem the Underdog welcome offer.

• 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

To claim the attractive Underdog welcome offer, you must be 18 years of age or older and located in a legal state. Follow the 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 $75 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