Create a new account now with the new Underdog promo code TOPACTION and place a $5 entry on Friday NFL Preseason games or any sport this weekend for a $50 bonus instantly. Click this link or use the Underdog promo code TOPACTION during account registration in AL, AK, AR, DC, FL, GA, IL, IN, KS, ME, MS, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, VT, VA, UT, WI, or WY. After, make your first cash deposit and place a $5 entry on any sport you prefer, including the Friday NFL Preseason games today. You get a $50 bonus instantly to play on other entries within Underdog Fantasy.
Use the chart below or any sign-up module on this page to register with the Underdog promo code TOPACTION before the exceptional Friday NFL Preseason games.
Underdog Promo Code TOPACTION Info: Friday, August 15, 2025
Click the Underdog promo code TOPACTION below to claim your sign-up bonus, the Underdog promo code Reddit users should choose today.
| Underdog Fantasy | Underdog Fantasy Sign-Up Bonus | Available States |
|---|---|---|
| Underdog promo code TOPACTION | Play $5, Get $50 Bonus | AL, AK, AR, DC, FL, GA, IL, IN, KS, ME, MS, MN, NE, NM, NC, ND, OK, OR, RI, SC, SD, TX, VT, VA, UT, WI, WY |
Best Games for Underdog Promo Code TOPACTION
Tennessee Titans vs. Atlanta Falcons
- Friday, August 15, 2025
- 7 p.m. ET
- Mercedes-Benz Stadium, Atlanta, Georgia
- NFL Network
Kansas City Chiefs vs. Seattle Seahawks
- Friday, August 15, 2025
- 10 p.m. ET
- Lumen Field, Seattle, Washington
- NFL Network
How to Set Your First Entry on Underdog Fantasy
In order to access the $50 bonus, set up your first account with the Underdog promo code TOPACTION. Next, place a $5 entry with any player picks today, including from the Friday NFL Preseason games:
- Select your favorite sport, or click on a specific game such as the Titans vs. Falcons or Chiefs vs. Seahawks
- Choose your favorite players to perform higher or lower than a specific statistic, such as passing yards, rushing yards, receiving touchdowns, or field goals made
- Make sure you select two to eight players and that players are selected from multiple teams
- Place at least $5 on your entry and get the $50 in bonus to use within Underdog Fantasy
Here's an example Underdog Fantasy lineup with player picks from the Friday NFL Preseason games:
- Cam Ward higher than 64.5 passing yards
- Younghoe Koo higher than 1.5 field goals made
- Sam Darnold higher than 55.5 passing yards
- Cooper Kupp lower than 18.5 receiving yards
With a Max Payout, a $5 entry wins 10.81x your entry amount. However, if any of the picks lose, you don't get a cash profit but still get the $50 bonus. If you select the Flex Payout, you get 6.48x your entry if all four are correct or 1.62x your entry if three out of four are correct plus the $50 bonus.
Underdog Fantasy Registration Steps
Here's how to register with the Underdog Fantasy promo code TOPACTION now:
- Click on one of the sign-up modules above or links in this article to download the Underdog Fantasy app.
- Double check that the Underdog Fantasy promo code TOPACTION is in the appropriate field.
- Enter your personal identifying information such as your name, email address, and date of birth. Also create your Underdog Fantasy account’s username and password.
- Agree to the Underdog Fantasy terms and conditions and privacy policy.
- Make your first deposit of $10+ into your account with one of the banking methods at your disposal.
- Submit your $5 first player pick ‘em entry on Friday NFL Preseason picks or any sport.
If you are in a legal sports betting state, check out the top sportsbooks on the market today to access the best NFL betting promos to maximize your bonus now.
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)