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Underdog Promo Code SDS: Score $1,000 Bonus for MLB, WNBA, NFL Contests

Alex Payton

By Alex Payton

Published:

New customers who use the Underdog promo code SDS will get a welcome offer for MLB entries. Make picks on home runs, total bases, pitching outs and more stats with a bonus. Plus, it’s a great time to enter contests for the NFL season.

Register with the Underdog promo code to unlock one of the offers below:

  • 50% Deposit Match Up to $1,000 (SC, WI, ND)
  • Get Instant $50 Bonus After $5 Entry (MN, AL)
  • Combo of $1,000 Deposit Match + $50 Bonus (GA, UT)
  • Random Offer Above (All Other Eligible States)

Find markets for all MLB games. There are options on Monday for the Phillies vs. Reds, Twins vs. Yankees, Tigers vs. White Sox, Pirates vs. Brewers, Nationals vs. Royals, Rockies vs. Cardinals, Diamondbacks vs. Rangers, Red Sox vs. Astros, Dodgers vs. Angels, Padres vs. Giants and Rays vs. Athletics.

Sign up here to use the Underdog promo code SDS. Get a 50% deposit match, instant $50 bonus or both offers.

MLB Markets for the Underdog Promo Code SDS

Underdog Promo CodeSDS
New User OfferDeposit Match Up to $1,000 (SC, WI, ND)
$50 Fantasy Bonus (MN, AL)
Combo of $1,000 Deposit Match + $50 Bonus (GA, UT)
Random Offer Selected (All Other Eligible States)
Bonus Last Verified OnAugust 11, 2025
Information Confirmed BySaturday Down South

The number of picks in your contest will determine your potential payout. A standard entry must have 2+ legs, while a flex entry requires 3+ legs. These are just a few of the Higher/Lower markets you can find for MLB on Monday:

  • Kyle Schwarber: 9.5 fantasy points
  • Aaron Judge: 0.5 home runs
  • Nathan Eovaldi: 5.5 strikeouts
  • Christian Yelich: 1.5 total bases
  • Bobby Witt Jr.: 1.5 hits
  • Shohei Ohtani: 2.5 hits + runs + RBIs
  • Jeffrey Springs: 2.5 earned runs

There are tips on the app that explain the different features and boosters. Be sure to check for Gimme Picks, entry boosts and other bonuses after using the welcome offer.

Underdog Promo Code Guide to Register

Start making picks on baseball, basketball, football, golf and more sports after taking these easy steps to collect a bonus.

  1. Follow the links on this page to apply the Underdog promo code SDS.
  2. Enter your name, email and other account info.
  3. Make a deposit with an accepted payment method.
  4. In some cases, enter your first $5 contest.

The amount of your first deposit will determine your bonus when using the 50% deposit match. Make a $2,000 deposit to receive the max $1,000 bonus. And the outcome of your opening $5 entry doesn’t matter when gaining the $50 bonus.

Enter Contests Ahead of the NFL Season

Take this time to draft a team of NFL players to compete against other customers. Those who accumulate the most fantasy points will win a share of large prize pools. “The Sprint” has a $20 entry fee and $1 million prize pool, with $150,000 going to first place.

Ja’Marr Chase is on top of the rankings as the most popular first pick. He is followed by Bijan Robinson, CeeDee Lamb, Saquon Barkley, Jahmyr Gibbs and Justin Jefferson.

Sign up here to use the Underdog promo code SDS and score up to a $1,000 bonus.

Alex Payton

Resident of Kentucky, Alex is a graduate from the University of Louisville and avid Cardinals fan. He also follows the New York Yankees, Indianapolis Colts, and has multiple years of experience in the online gambling industry.

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