Sports betting is officially coming to Missouri, and Underdog Sportsbook is getting ready to join the party. Known for its app and player-first promos, Underdog Sportsbook MO has applied for a license and is aiming to go live when the state officially launches online sports betting on December 1, 2025. While we wait on final regulatory decisions, Underdog is positioning itself to be a major player in the Missouri market.
Whether you’re a new bettor or just looking to scoop up a solid bonus, we will walk you through everything you need to know about the Underdog Sports Missouri promo code, how to claim it, and what to expect from the sportsbook once it goes live.
Underdog Sports Missouri Promo Code Key Details
 Underdog Sports MO Promo Code | Coming soon! |
 Underdog Sports MO Bonus Offer | TBA |
 Legal Betting Age | 21+ |
 Mobile App | iOS & Android |
 Launch Date | Expected December 1, 2025 (pending final licensing approval) |
While the exact promo hasn’t been announced yet, Underdog has officially submitted its application for a Missouri sports betting license. The Missouri Gaming Commission is currently reviewing applicants, and the sportsbook could receive final approval ahead of the December 1 launch.
So, based on Underdog’s current welcome bonuses in other states, here’s what Missouri bettors can likely expect:
No Deposit or Low Deposit Required: Possibly tied to a small first deposit ($10)- Easy-to-Claim Format: Just enter the promo code during sign-up
- Low Rollover Requirements: Underdog is known for keeping bonus terms simple
The Underdog Sports Missouri promo code will most likely be revealed a few days before the official launch. If you’re planning to bet with Underdog Sports MO, make sure to check back at FantasyLabs for the promo code so you can grab some extra value from day one.
While you wait for the sportsbook’s promo code to come out, be sure to claim the Underdog Fantasy promo code.
How to Sign Up for the Underdog Sports Missouri Promo Code at Launch
Once Underdog Sports Missouri officially opens its doors, the signup process should be quick and painless. Here’s how to register and claim the promo code offer:
- Download the Underdog Sports app, available on both iOS and Android.
- Create an account by entering your name, address, last four digits of your SSN, and email.
- Enter the Underdog Sports Missouri promo code, which will be live on this FantasyLabs’ page closer to launch!
- Verify your identity to prevent fraud and underage betting.
- Make your first deposit and meet the minimum deposit amount of $10.
If the welcome offer is a deposit match, you’ll receive the match according to your deposit.
If the welcome offer is a first-bet mulligan, you’ll have to make a qualifying first wager to receive the first-bet protection.
Again, stay tuned for the official launch date, so you can be one of the first to take advantage with the help of FantasyLabs.
Underdog Sports Missouri Brief Timeline
Here’s a quick rundown of what’s happened so far related to the pending launch of Underdog Sportsbook Missouri:
- 2023–2024: Missouri lawmakers debated several sports betting bills. Momentum built toward regulation.
- 2024: Legislative progress and lobbying from sportsbook operators like Underdog picked up steam.
- July 2025: Underdog Sportsbook applies for a Missouri sports betting license. The operator is currently awaiting approval from the Missouri Gaming Commission.
- August 13, 2025: The MGC will hold a public hearing to finalize two standalone (untethered) sportsbook licenses.
- August 15, 2025: The two untethered license winners will be announced. Underdog’s license type is partnered access, and additional approvals will continue into the fall.
- December 1, 2025: Missouri’s official statewide sports betting launch date.
When launch day comes, bettors across the state will be able to sign up, deposit, and start placing wagers, likely with an Underdog Sports MO promo code boost to sweeten the deal.
Underdog Sportsbook MO Existing User Promos
Once you’re in, Underdog Sportsbook MO should reward loyal users with ongoing promos, not just flashy welcome offers. Here are some types of Underdog Sports Missouri betting promotions you might see post-launch:
Odds Boosts: Daily boosts on select bets
Referral Bonuses: Earn bonus bets for inviting friends- Pick’em Contests: Fantasy-style games with big payouts
Bet & Get Offers: Place a bet and receive bonus bets
Expected Underdog Sports Missouri Bet Types
When Underdog Sports Missouri goes live, bettors can expect a full lineup of wager types, ranging from simple straight bets to more advanced plays. Whether you’re brand new to sports betting or looking for value on long shots, here’s a breakdown of the likely offerings on Underdog Sportsbook MO:
Moneyline Bets
The most straightforward bet: just pick the winner. If the team you bet on wins the game, you win your bet (no spreads or points involved).
Point Spreads
A way to level the playing field between two teams. The favorite must win by more than a set number of points (the spread), while the underdog can either win outright or lose by fewer points than the spread.
Totals (Over/Under)
Wager on whether the combined final score of both teams will be over or under a number set by the sportsbook. This is popular for bettors who don’t want to choose a winner.
Player Props
These bets focus on individual player performance, like how many passing yards Patrick Mahomes will throw or how many points a basketball player will score. Great for fans who follow players more than teams.
Parlays
Combine two or more bets into one ticket for a bigger payout. All selections (or “legs”) must win for the parlay to cash. Riskier, but higher rewards.
Live Betting (In-Game Bets)
Place bets as the game is happening. Odds shift in real-time based on the action, ideal for quick thinkers or bettors who like to feel the momentum before placing a wager.
Futures Bets
These are long-term bets on events that will be decided later in the season. Examples include:
- Who will win the Super Bowl or World Series
- A player to win MVP
- A team to make the playoffs
Futures are a fun way to stay invested in a full season and can offer great value early on.
Whether you’re locking in a money line on the Chiefs, betting a futures pick on the Cardinals to win their division, or piecing together a weekend parlay, Missouri sports betting sites like Underdog Sports MO will have various ways to get in on the action.
Popular Missouri Teams to Wager On at Underdog Sports MO
Missouri is home to a passionate and growing sports fan base, and once Underdog Sports MO launches, bettors will have plenty of local teams to support (or fade). From NFL Sundays to summer MLS matchups, here are the top teams you’ll likely be betting on:
Kansas City Chiefs (NFL)
One of the most bet-on NFL teams in the country, led by Patrick Mahomes. Expect tons of action on spreads, totals, and player props every week.
St. Louis Cardinals (MLB)
A storied MLB franchise with a loyal fan base. Great for betting totals, pitcher props, and money lines during the long MLB season.
Missouri Tigers (NCAA)
Whether it’s football or basketball, Mizzou games draw big betting volume, especially during SEC showdowns or March Madness.
St. Louis Blues (NHL)
A consistent NHL playoff contender with solid value on the puck line and player props.
Kansas City Royals (MLB)
While the Royals are often MLB underdogs, that can mean great betting value, especially during rebuilding seasons or in series against division rivals.
Sporting Kansas City (MLS)
A consistent presence in the MLS playoffs and a great option for live betting and totals during the spring and summer months.
St. Louis City SC (MLS)
As one of MLS’s newest and most exciting clubs, City SC brings energy and unpredictability, perfect for underdog bettors.
Kansas City Current (NWSL)
Kansas City’s professional women’s soccer team is gaining momentum in the NWSL. Expect Current betting markets on match results, totals, and player goal props as sportsbook coverage expands.
Expected Banking Methods at Underdog Sports Missouri
Underdog Sports MO will aim for speed and simplicity, and its banking options are expected to reflect that. Based on their operations in other states, here’s what we anticipate:
Deposit Options
- Credit & Debit Cards (Visa, Mastercard)
- Online Banking
- PayPal
- Venmo
- Apple Pay
- ACH / eCheck
Withdrawal Options
- PayPal
- Online Banking
- Venmo
- ACH / eCheck
Processing times for withdrawals will likely be 1–3 business days, depending on the method. All deposits should hit instantly, so you can get in on the action right away.
Underdog Sports Missouri and Responsible Gaming
Every licensed sportsbook in Missouri must comply with state guidelines on responsible gaming, and Underdog Sports MO is expected to take this seriously.
Here’s how they’ll help you bet smarter:
Deposit and Wager Limits – Set limits to manage your bankroll.
Time-Out Tools – Take a short break from betting if needed.
Self-Exclusion Options – Suspend your account for longer periods.
Access to Help – Missouri’s official resources, like the Missouri Council on Problem Gambling, will be integrated into the app.
Responsible gambling tools are built right into the Underdog Sports app, making them easy to access at any time.
Summary of the Underdog Sports Missouri Promo Code
With Underdog’s application now officially submitted, Missouri bettors can start getting excited for what’s next. If approved, here’s what the launch will likely include:
- Low deposit and/or or bet requirement
- Easy sign-up with code entry
- Available on iOS and Android
Fully licensed and legal in Missouri
The launch of Underdog Sports Missouri is a big win for bettors in the Show-Me State. Whether you’re in it for the promos, the props, or the hometown bets, there’s a lot to look forward to when this sportsbook goes live.
For another likely sportsbook promo in Missouri, claim the DraftKings promo code.
Underdog Sports Missouri Promo Code FAQs
Do you still have questions about Underdog Sports Missouri? Read our FAQs section below to learn more about the sportsbook coming soon to Missouri.
What is the Underdog Sports Missouri promo code?
The Underdog Sports Missouri promo code will be shared by FantasyLabs once it’s live. Find the code on this page and enter it during registration to unlock a welcome bonus.
When does Underdog Sports Missouri launch?
Missouri sports betting is set to launch on December 1, 2025, which is the legal deadline set by the state. Underdog has submitted its license application and is currently awaiting final approval from the Missouri Gaming Commission.
How much is the Underdog Sports Missouri promo worth?
We’re not sure yet how much the Underdog Sports Missouri promo will be worth, but stay tuned for more info and tips on making the most of it.
Is Underdog Sports Missouri legal?
Yes, it will be once the platform officially launches with a license from the Missouri Gaming Commission.
Can existing Underdog Fantasy users use the Missouri sportsbook?
Yes! You’ll be able to log in with your current credentials, but you’ll need to verify your identity and age to access the sportsbook.
What banking options will be available at Underdog Sports MO?
Expect major methods, such as PayPal, Venmo, credit cards, and online banking, for both deposits and withdrawals.
While you wait for Underdog Sports Missouri to go live, check out the best social casinos and best DFS apps for other gaming options.
Latest Missouri Licensing Update: As of July 15, the Missouri Gaming Commission confirmed that Underdog Sportsbook has officially applied for a license. While the operator won’t be competing for the two untethered spots (reserved for FanDuel, DraftKings, and Circa Sports), it’s expected to launch via a partnered license in time for the December 1 rollout. The deadline for partnered applications is September 12, 2025.
