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BigPaulSports > Blog > Game Analysis > Underdog Promo Code ‘FOXSPORTS’ Let’s You Play $5, Get $100 in Bonuses on NFL Sunday
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Underdog Promo Code ‘FOXSPORTS’ Let’s You Play $5, Get $100 in Bonuses on NFL Sunday

BigP
Last updated: 2025/10/12 at 5:34 PM
BigP Published October 12, 2025
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Underdog Promo Code 'FOXSPORTS' Let's You Play $5, Get $100 in Bonuses on NFL Sunday
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Contents
How to Sign Up and Claim the Underdog Fantasy Promo CodeSeattle Betting InfoJacksonville Betting InfoLos Angeles Betting InfoBaltimore Betting InfoIndianapolis Betting InfoArizona Betting Info

This page may contain affiliate links to legal sports betting partners. If you sign up or place a wager, FOX Sports may be compensated. Read more about Sports Betting on FOX Sports.

Week 6 of the NFL season is the perfect time to take a shot on your favorite players — and Underdog Fantasy is giving fans an easy way to join the action with its Bet $5, Get $100 promo. New users who place just $5 on any NFL Week 6 Pick’em entry will instantly receive $100 in bonus cash, win or lose.

With marquee matchups, star performances, and plenty of stat-driven contests on the board, Underdog’s offer gives bettors a low-risk, high-reward way to elevate their Sunday lineup. FOX games to watch out for include the Seahawks taking on the Jaguars, the Rams facing the Ravens, and the Colts playing the Cardinals. Let’s get into it below:

How to Sign Up and Claim the Underdog Fantasy Promo Code

ADVERTISEMENT

1. Click here or on any “Claim Bonus” button on this page to go directly to Underdog Fantasy (bonus code FOXSPORTS applied automatically).

2. Register your account: provide full name, email, date of birth, address, and last 4 of SSN to verify eligibility.

3. Enter promo code FOXSPORTS to lock in the welcome offer.

4. Deposit at least $10 using PayPal, debit card, or online banking.

5. Play $5 in pick’em or sportsbook markets.

6. Once the entry/first wager settles, Underdog credits $100 in bonus cash (usable across DFS or sportsbook). 

Seattle Betting Info

  • Seattle has three wins in five games versus the spread this season.
  • The Seahawks have covered the spread twice when favored by 1.5 points or more this season (in three opportunities).
  • Seattle has combined with its opponent to gone over the point total in 60% of its contests this year (three times over five games with a set point total).
  • When playing as moneyline favorites, the Seahawks have won 66.7% of the time (2-1).
  • Based on this contest’s moneyline, the Seahawks’ implied win probability is 52.4%.

Jacksonville Betting Info

  • Jacksonville has compiled a 4-1-0 record against the spread this year.
  • The Jaguars have been underdogs by 1.5 points or more three times this season and have covered the spread twice.
  • Jacksonville’s games have finished with a final combined score above the over/under three times this season.
  • The Jaguars have been underdogs in three games this season and won two (66.7%) of those contests.
  • The sportsbooks’ moneyline implies a 52.4% chance of a victory for the Jaguars.

Los Angeles Betting Info

  • Los Angeles has three wins in five games versus the spread this year.
  • The Rams have not covered the spread this season (0-1 ATS) when playing as at least 7.5-point favorites.
  • Los Angeles contests this year have eclipsed the over/under 60% of the time (three times in five games with a set point total).
  • The Rams have compiled a 3-1 record in games they played as moneyline favorite (winning 75% of those games).
  • The Rams have a 78.3% chance to win this matchup, based on the implied probability of the moneyline.

Baltimore Betting Info

  • Baltimore has put together a record of 1-4-0 against the spread this year.
  • Every game involving Baltimore has hit the over so far this season.
  • The Ravens lost the only game they’ve played as the underdog this season.
  • The Ravens have a 26.0% chance to win this game based on the implied probability of the moneyline.

Indianapolis Betting Info

  • Against the spread, Indianapolis is 4-1-0 this year.
  • The Colts have been favored by 7 points or more once this season, and covered the spread.
  • Indianapolis games this year have gone over the total in two out of five opportunities (40%).
  • The Colts were favored on the moneyline three times this season, and won each of those games.
  • The implied probability for this matchup, considering the moneyline, gives the Colts a 77.3% chance to win.

Arizona Betting Info

  • Arizona is 2-3-0 against the spread this year.
  • This year, Arizona games have hit the over twice.
  • The Cardinals have lost both games they’ve played as underdogs this season.
  • The sportsbooks’ moneyline implies a 27.0% chance of a victory for the Cardinals.

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BigP October 12, 2025
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