The incredible Underdog Fantasy Sportsbook is the destination for football betting this NFL season, providing a plethora of bet types, alongside potentially rewarding new and existing customer bonuses. Currently, Underdog flaunts a huge new bettor bonus of Play $5 Get $100 in Bonuses just in time for week 8 of the NFL season.

CLAIM UNDERDOG FANTASY PROMOTION HERE

Players can redeem this offer when they create an account with the site and enter the promo code NDUNDOG, and the potential bonus bets can be used when wagering on tonight's game between Vikings at Chargers. To find out more about this leading NFL bonus and how to redeem it, keep reading.

Underdog Fantasy 'NDUNDOG' Promo

Get ready for tonight’s NFL action with an exclusive Underdog Fantasy promotion that gives new players a major boost. With the Play $5, Get $100 in Bonus Funds offer, newcomers can kickstart their NFL betting experience in style. Simply create a new Underdog Fantasy account, deposit at least $10, and place a $5 qualifying wager to unlock your bonus.

Once complete, you’ll instantly receive $100 in bonus funds to use across a wide variety of NFL betting options, including player props, touchdown markets, and game totals. Don’t forget to enter promo code NDUNDOG during sign-up to activate the offer. Available to players aged 18+ in eligible Underdog Fantasy states, this promo is the perfect way to add extra excitement to tonight’s primetime football lineup.

More NFL Betting Promos for Thursday Night Football

• bet365 Bonus Code for Vikings vs Chargers

Minnesota Vikings vs Los Angeles Chargers: NFL Week 8

NFL fans are in for an exciting Thursday Night Football showdown as the Minnesota Vikings take on the Los Angeles Chargers at 8:15 PM ET inside SoFi Stadium. Both teams are eager to build momentum midway through the season, setting the stage for a high-stakes primetime clash in Los Angeles.

The Vikings will rely on quarterback J.J. McCarthy and star receiver Justin Jefferson to ignite their offense, while the Chargers look to Justin Herbert and Keenan Allen to deliver fireworks through the air. With both sides seeking a crucial win to stay in the playoff race, fans can expect a fast-paced, hard-fought contest filled with explosive plays and big moments under the bright lights of SoFi Stadium.

Underdog Fantasy 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 Fantasy Sportsbook

If the above welcome bonus has caught your eye and you are looking to redeem it, you must be 18+ and located in a legal Underdog Fantasy state. Our experts have listed these legal 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' NFL Bonus

Our valued readers will be pleased to hear that the current Underdog Fantasy 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 Fantasy Sportsbook. 

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 Fantasy Sportsbook account by selecting the link in your email inbox from the brand. 

5. You must fund your account to redeem the lucrative bonus and place wagers on 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 wager 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