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Image for Richard Janvrin Richard Janvrin - Updated January 2, 2023

Best MLB Sportsbook Promo Codes & Betting Bonuses

Neon Bonus Mlb

America has been enjoying its favorite pastime since before the National League and the American Leagues were created in 1876 and 1903. One of the biggest changes to the game is that Americans in many states are now allowed to legally bet on it thanks to the Supreme Court PASPA ruling!

Check out below for the best Sportsbook Bonuses for Major League Baseball! This page is updated continuously so check back during the season to see if any new offers have been added! Also, if you’re concerned about whether or not your state allows legal betting then check our Where Can I Bet on MLB Games Legally Guide!

Best Sportsbook Promo Codes for the MLB

Sportsbook Bonus Offer Promo Code
BetRivers Sportsbook Up to $500 in Bonuses BIGGAME500
BetRivers Sportsbook Up to $250 Matching Deposit 250MATCH
bet365 Sportsbook New User Bonus – up to $500 Bet Credits WSN365
DraftKings Sportsbook $1000 Deposit Bonus No Code Needed
Caesars Sportsbook $1250 Free Bet WSNFULL
FanDuel Sportsbook $1000 Free Bet No Code Needed
PointsBet Sportsbook 2 Risk-Free Bets up to $2000 WSN2000
Si Sportsbook $50 Free Bet SI300
BetMGM $1000 Risk-Free Bet No Code Needed

Best Bonus in Your State


bet365 MLB Early Payout Offer

bet365 Sportsbook is one of the largest and most trusted sportsbooks in the world, and with that comes the ability to offer some of the most competitive bonuses on the market. Check out their Major League Baseball bonus!

How it works:

  1. Place a pre-game bet on the Money Line market for any game in the MLB up to and including Wednesday, October 28th, 2021.
  2. For straight bets, if the team you back leads by 5 runs at any stage during the game, we will pay out your bet in full regardless of whether the opposition comes back to win the game.
  3. For parlays, if a team you have backed leads by 5 runs, this selection will be marked as won within My Bets, with the remaining selections left to run. Terms and conditions apply.

Place your bets now and take advantage of this offer by heading to bet365 sportsbook!

Bet $1 and Get $200 in Free Bets

Sign up, make a deposit of $10 or more and then claim the offer, place a qualifying bet of $1 from your deposited funds and $200 in Free Bets will be added to your Free Bet Credits balance once your bet is settled.

bet365 Welcome Bonus – $500 in Bet Credits

bet365 doesn’t limit itself to just one sport! bet365 is the preferred sportsbook for many different kinds of sports! Check out what you can bet on at our bet365 sportsbook review.

How it works:

When signing up and making the $10 minimum deposit the sportsbook will match your deposit as bet credits up to $500 when your bets have been settled.

This offer is open to new customers! Click the banner below to sign up and start placing your winning bets today!

Caesars Sportsbook

Caesars Sportsbook is a perfect option for customers who want to combine casino games with sports betting.

Up to $1250 on Caesars

Register a new Caesars Sportsbook mobile/online Account with our promo code ‘WSNFULL‘



Up To $1,250 On Caesars

21+ | Terms and conditions apply

DraftKings Sportsbook

Known for great customer service and their wide availability across the United States, DraftKings Sportsbook is or will be available soon in a state near you. Being one of the largest sportsbooks in the USA means that you can offer some of the best and biggest offers and bonus codes available on the market. Check out DraftKing’s current offers on this MLB season below!

Refer a Friend – Get FREE $100!

Refer your friends to DraftKings Sportsbook and you are both eligible to receive up to $100 to bet with on your account! Please note that invited friends must be new to the DraftKings platform, not just the Sportsbook!

Terms and Conditions apply. Sign up with the link below and start inviting friends today!



Deposit Bonus Up to $1,000

21+ | T&Cs apply

FanDuel Sportsbook

FanDuel offers a complete sports betting experience. The range of betting available is massive and the software is easy to use.

$1000 No Sweat First Bet
No Sweat First Bet Fanduel

To claim, new users need to register, make a first deposit, and then simply place their first real-money wager on FanDuel Sportsbook up to $1000! If a user loses their first wager, we’ll refund their loses in the form of a free bet up to $1000!

Invite Friends to Join Sportsbook and Get $50

FanDuel Refer a Friend

Invite friends to join FanDuel Sportsbook and you’ll both gett $50 in Free-Bets


SugarHouse Sportsbook is known for its large range of bets and sports available for users to bet on as well as its daily specials in-app featuring enhanced and changing odds every day. Sign up with SugarHouse to start placing your bets on MLB games today!

SugarHouse Welcome Offer $250 Deposit Match

SugarHouse is always encouraging new users to join their platform and one of the incentives they offer is a stellar 100% deposit match bonus up to $250 for new users! That means that when you deposit $100 you will be matched with $100 in bettable credits!

Sign up with SugarHouse and claim your Deposit Match Today! 

To find out more about sports betting with SugarHouse Sportsbook, read our in-depth review of SugarHouse Sportsbook.

SugarHouse MLB Same Game ParlaySugarHouse Same Game Parlay Promo

Every Saturday place a $25+ Same Game Parlay on any MLB game at SugarHouse and receive a $10 Free Bet!

MLB All-Star Game Random Profit Boost

MLB All Star Profit Boost

Log in during the promotion period and receive a Random Profit Boost of up to 100%!



$500 Free Bet

21+ | Terms and conditions apply

BetRivers Sportsbook $250 Bonus

BetRivers Sportsbook known for their live betting options and parlay tool is now also known for something else, their generous $250 deposit match for new users. When opening an account with BetRivers you can opt-in for a deposit match of up to $250 when using our promo code “250MATCH”. Check the links below to claim the offer in your state!

Tuesday’s Profit Boost With BetRivers

BetRivers MLB Profit Boost

Log in and receive a 20% profit boost on MLB every week!



$500 Free Bet

21+ | VA only | Gambling problem? Call 1-800-532-3500

PointsBet Sportsbook

PointsBet prides itself on covering a wide variety of sports as well as offering futures on all kinds of sports. Check out what PointsBet has in store for you by having a look at our PointsBet sportsbook review.

PointsBet $2000 Promo Code

The welcome bonus comes in the form of 2 risk-free bets, one on fixed-odds betting and one on PointsBetting.t only works with single bets, and you can’t have any action on the other side of the wager at the same time.

Claim your $2000 Promo Now!



Get 5 x $50 Bet Credits

21+ | T&Cs apply

SI Sportsbook Bonuses Promo Code SI300

SI Sportsbook is available for sports bettors in Colorado. Find great promotions and odds over at SI Sportsbook.

$40 in Free-Bets

Place 3 bets of $10 or more on baseball, and you’ll get a $10 free bet. You’ll get more free bets after your 5th, 7th, and 10th bets on baseball that week.

SI Sportsbook Bonus $50 in Free-Bets with Promo Code SI300

Get up to $50 back in FREE bets if your first bet loses. Deposit using promo code ‘SI300‘.

BetMGM Bonuses

BetMGM Sportsbook is recognized as one of the big contenders in the sportsbook market today. The sportsbook offers an excellent range of rotating promotions and bonus offers so check back here frequently to see what has changed!

New Users Welcome Offer – $1000 Risk-Free

New users to BetMGM can take advantage of the amazing $1000 Risk-Free Bet offer! Follow these steps to claim up to $1000 in risk-free bets.

Bet Insurance Up to $25

Place a one-game parlay wager and receive a $25 Risk-Free token to use on any baseball game!



$1,000 First Bet Offer

21+ | Terms and conditions apply

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Richard Janvrin

364 Articles

After graduating from the University of New Hampshire with a BA in Journalism, Richard Janvrin has been covering iGaming and sports betting since December 2018. Richard has covered betting at Bleacher Report, Gambling.com, The Game Day, Forbes, and more.

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