Use the latest DraftKings promo code to sign up for a new account for Wednesday's MLB games.Place a $5 bet on any market after setting up your account to lock in $150 in bonus bets with this welcome offer ahead of a solid Wednesday highlighted by Red Sox vs. Phillies.The MLB trade deadline is looming, and teams are jockeying for playoff positioning. Games like Yankees-Blue Jays and Red Sox-Phillies headline Wednesday's action. The next week will be big for teams on the fringe of contention, as some front offices could still be deciding on whether to buy or sell at the deadline. Bet on any of these games to activate your $5 in bonus bets.There is only one WNBA game taking place tonight, but it is an exciting matchup between the Atlanta Dream and the Phoenix Mercury. It will be Brittney Griner's first game playing in Phoenix since leaving the Mercury for the Dream in free agency.Sign up today to use the DraftKings promo code offer to bet on any of these games and secure your $150 in bonus bets.DraftKings Promo Code For MLB Games, Dream-Mercury DraftKings Sportsbook Promo Code No Code Needed! Sign Up Using Links New User Offer Bet $5, Win $150 in Bonus Bets Instantly In-App Promos Choose Your MLB Boost, Queen of the Court, MLB Parlay Profit Boost, NBA Futures Boost Terms and Conditions New Customers – 21+ in Eligible States Bonus Last Verified On July 23, 2025 Information Confirmed By As noted above, all you have to do is bet $5 on any market to unlock your $150 in bonus bets. The outcome of that $5 bet does not matter, and you will receive your reward before your initial wager even settles.For example, you could bet $5 on the Red Sox to beat the Phillies to immediately lock in your bonus bets. Or you could dig deeper and look at some prop bets. Maybe you would like to bet $5 on Griner to score a certain number of points against her old team. Either way, a bet of $5 or more will unlock your bonus bets.Once you receive your bonuses, make sure to use them within one week before they expire from your account.In-App Offers For July 23When you are set up with your DraftKings Sportsbook account, you will be able to claim several in-app promotions to use in addition to the welcome offer. These promos often provide profit boosts or no-sweat bets for MLB games, WNBA games, tennis, soccer and more.For Wednesday, sign up to get profit boosts for MLB games and the Dream-Mercury game. Moving forward, check in at the beginning of each day so see what offers are available for the biggest sporting events.How To Sign Up With DraftKings Promo CodeStart the easy registration process by clicking here. By using one of our links, you will automatically receive the welcome offer after you complete your account. Follow the steps below to redeem your welcome offer: Enter basic personal information to create account (legal name, mailing address, date of birth, email, etc.) Make initial deposit with secure payment method to cover initial bet (credit card, debit card, PayPal account, online banking, etc.) Place $5 bet on any market to unlock $150 in bonus bets You will have seven days to use your bonus bets before they expire from your account Newsweek may earn an affiliate commission if you sign up through the links in this article. See the sportsbook operator's terms and conditions for important details. Sports betting operators have no influence over newsroom coverage.