MLB Betting Promos: Get the 7 Best Sportsbook Offers for Opening Day

Major League Baseball is officially back in action with Opening Day 2025 kicking off another exciting chase for the World Series trophy. As the new season gets underway, baseball fans and bettors alike can turn up the intensity when they use the linked offers on this page to score the best MLB betting promos.

A full slate of pro baseball action is just hours away, so don’t miss out on your chance to bet on Opening Day 2025 with all the best sportsbook bonus offers linked on this page.

BetMGM Sportsbook Promo NEWSWEEK1500: Score a $1,500 First Bet Offer

Baseball fans can get back in the swing of the new season with a tantalizing sign-up bonus from BetMGM Sportsbook. Click the link on this page to claim the BetMGM promo code NEWSWEEK15000, which unlocks a huge $1,500 First Bet Offer for new players.

Then, with this offer applied, new users can make a sizable first bet on the platform, knowing that if they lose, they will get back an equal amount in bonus bets (up to $1,500). In other words, the BetMGM promo code on this page ensures that first-time users will either win their first bet or get back an equal amount in bonus bets (up to $1,500) if their first bet loses.

bet365 Promo Code WEEK365: $150 in Bonus Bets or $1K First Bet Safety Net

bet365
BET $5, GET $150 BONUS BETS!
OR $1,000 FIRST BET SAFETY NET!

CLAIM OFFER
Promo Code: WEEK365

21 and present in Arizona, Colorado, Indiana, Iowa, Kentucky, Louisiana, New Jersey, North Carolina, Ohio, Pennsylvania, or Virginia. Gambling problem? Call 1-800-Gambler. Deposit required. Bet Credits wager excluded from returns. T&Cs, time limits and exclusions apply.

MLB bettors can secure their choice between two impressive welcome offers when they register with the linked promo code WEEK365. The first option from bet365 is an offer to bet $5 and get $150 in bonus bets guaranteed. New players won’t need to sweat the win/loss result of their $5+ qualifying wager, as this promo ensures that any first $5+ bet will bring back $150 in bonus bets.

The other option from bet365 is to secure a $1,000 First Bet Safety Net. This allows new users to make a larger first wager on the platform because if they lose, they will get back an equal amount in bonus bets (up to $1,000), allowing them to continue wagering on bet365.

Caesars Sportsbook Promo Code: Bet $1, Get Ten (10) Profit Boosts

Caesars Sportsbook is gearing up new players for another season of MLB action with a fantastic promo code offer on this page. Click the linked Caesars promo code above to get an offer to bet $1 and get ten (10) 100% Profit Boosts.

Each of the Profit Boost Tokens from the Caesars welcome offer carries a $25 maximum, meaning new users can bet just $1 and get up to $250 in bonus bets on the Caesars platform. This is one of the most user-friendly ways to get in on the Opening Day action, so don’t miss your chance to score these Caesars Sportsbook Profit Boosts for betting on the return of MLB.

DraftKings Promo Code: Bet $5, Get $200 in Bonus Bets Instantly

DraftKings Sportsbook BET $5, GET $150! BONUS BETS!

21 and present in participating states. Gambling problem? Call 1-800-Gambler.

DraftKings Sportsbook is hooking up new users with an instant bonus as one of the best MLB betting promos for Opening Day 2025. Click the linked DraftKings promo on this page to claim an offer to bet $5 and get $200 in bonus bets instantly. The $200 DraftKings bonus is fully guaranteed, so new players don’t need to worry about the win/loss result of their $5+ qualifying wager, as they will receive the $200 either way.

It’s an instant bonus, so new players don’t need to wait around for their $5+ qualifying wager to be settled. As soon as new players sign-up and make a $5+ qualifying bet, they’ll get an instant $200 bonus to their account.

FanDuel Sportsbook Promo: Bet $5, Win $200 in Bonus Bets

FanDuel Sportsbook BET $5, GET $200 BONUS! IF YOUR BET WINS!

21 and present in participating states. Gambling problem? Call 1-800-Gambler.

FanDuel Sportsbook is in the mix for MLB Opening Day 2025 with a terrific bet-and-get offer for new players. Click the link on this page to score the FanDuel welcome offer to bet $5 and get $200 in bonus bets (if your first bet wins). This offer is not fully guaranteed, so new FanDuel users need to win their $5+ qualifying wager to score the $200 bonus.

That being said, it’s a very low-risk offer, and users can place their $5+ qualifying bet on a prohibitive favorite to increase their odds of scoring the $200 bonus from the FanDuel promo code.

Fanatics Sportsbook Promo Code: $300 Bonus or $1,000 in No-Sweat Bets

Fanatics Sportsbook
$300 BONUS or
$1K NO-SWEAT!

Must be 21 . GAMBLING PROBLEM? Call 1-800-GAMBLER (CO, KY ,MD, OH, PA, TN, VA, VT, WV); (888) 789-7777 or ccpg.org (CT); 1-800-BETS-OFF (IA); (800) 327-5050 or gamblinghelpline.org (MA), mdgamblinghelp.org (MD), 1800gambler.net (WV)

New players on Fanatics can claim one of two impressive sign-up bonuses when they register using the links on this page. For first-time Fanatics Sportsbook users located in AZ, CO, CT, IN, LA, MA, MD, MI, NJ, PA, TN, VA, or WV, the linked promo code will activate a new player offer to bet $30 and get $300 in bonus bets. It’s a fully guaranteed bet-and-get offer, so the $300 bonus is paid out whether the new user wins or loses their $30 qualifying wager.

New players registering with the Fanatics Sportsbook link on this page in any other available state will get up to $1,000 in No-Sweat Bets via the welcome offer. This offer provides up to $1,000 in bonus bets backing for any first bet that is lost on the Fanatics Sportsbook platform.

ESPN BET Sportsbook Promo Code NEWSWEEK: $100 Bonus & ESPN+ trial

ESPN BET SPORTSBOOKBET $10, GET $100 BONUS! 30 DAYS OF ESPN

21 and present in participating states. Gambling problem? Call 1-800-Gambler.

ESPN BET is serving up a terrific two-part offer for the start of another exciting MLB season. The linked ESPN BET promo code NEWSWEEK allows new players to score $100 in bonuses in addition to a free trial of ESPN+. Click the ESPN BET link on this page and enter the promo code NEWSWEEK to get an offer to bet $10 and score $100 in bonus bets after sign-up.

The $100 bonus bets reward is fully guaranteed, so new players will receive it whether they win or lose their $10+ qualifying wager. In addition to the $100 in bonus bets, the ESPN BET Sportsbook promo supplies new users with a free 30-day trial of ESPN+ as part of the welcome offer.

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