FanDuel MLB Promo Offer: 30% Profit Boost for Live MLB Wagers Today 5/21/25

The MLB is back, and FanDuel Sportsbook has plenty of ways to get in on the action. With all 30 teams in action tonight, FanDuel is offering all customers a special promotion.

All customers get a 30% Profit Boost Token to use on any LIVE wager on any MLB game(s) taking place on May 21st, 2025!

Wednesday's slate features 15 MLB games to consider for this live boost!

The headliner takes place at 10:10pm ET when the Arizona Diamondbacks take on the Los Angeles Dodgers. LA is 4 games up on Arizona in the NL West, though both sides are comfortably above .500. We're treated to a strong pitcher's matchup here as Corbin Burnes (3-1, 2.56 ERA) faces off against Dustin May (1-4, 4.43 ERA).

The season series is tied 3-3 after the Diamondbacks and Dodgers split the first two games of this three-game set.

Diamondbacks-Dodgers odds can be found below, while all other MLB odds can be found on FanDuel Sportsbook.

How to Use This FanDuel Promo

Here's how to claim this promo:

1. Sign up or sign into your FanDuel Sportsbook account.
2. Click the "Claim Now" button to get your 30% Profit Boost Token.
3. Use the Profit Boost Token on any LIVE wager on any MLB game(s) taking place on May 21st, 2025.

Please Note: Pre-live wagers are ineligible.

Your wager must have final pre-boosted odds of -200 or longer to qualify for this promotion. There is a maximum wager associated with this offer. Log-in for more details.

Payouts from Profit Boost Tokens include boosted winnings and the initial stake. See full terms and conditions on the promotions page.

Eligible MLB Games on 5/21/25

Here are the MLB games being played on May 21st with odds, according to FanDuel Sportsbook.

Who Can Claim This FanDuel Promo Offer?

The promotion is only open to individuals who are at least 21 years of age (18+ in D.C. & Puerto Rico) and are physically present in Arizona, Colorado, Connecticut, the District of Columbia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana (excluding the following parishes: Caldwell, Catahoula, Franklin, Jackson, LaSalle, Sabine, Union, West Carroll and Winn), Maryland, Massachusetts, Michigan, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Puerto Rico, Tennessee, Vermont, Virginia, West Virginia, or Wyoming during the promotion period.

How Long Will This FanDuel Promo Run?

The promotion will end at 2:00 AM ET on May 22nd, 2025.

Place Your Bet Today!

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21+ (18+ D.C. & PR) and present in select states (for KS, in affiliation with Kansas Star Casino). If playing causes you financial, family and occupational problems, call the ASSMCA PAS line at 1-800-981-0023 (PR). Opt in req. Bonus issued as non-withdrawable profit boost tokens. Must wager in designated offer market. Restrictions apply, including any token expiration and max wager amount. See terms at sportsbook.fanduel.com.