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DraftKings Promo Code: Grab $150 Bonus for August 21 MLB Games
By Alex Payton
Published:
There is nothing quite like the crack of the bat and a loaded MLB slate to get the blood pumping. By activating the latest DraftKings promo code offer here, new players can snag a guaranteed $150 in bonus bets just for placing a simple $5 wager on tonight’s action.
That is right—unlike some offers where you have to stress over the final score, the outcome of your bet doesn’t even matter here. Win or lose, you are looking at a nice pay day. We are going to break down exactly how you can lock in this welcome offer before the first pitch is thrown, allowing you to maximize your bankroll whether you are backing the Tampa Bay Rays on the road against the Baltimore Orioles or riding with the 71-win New York Yankees at home against the Toronto Blue Jays.
Bet MLB with This DraftKings Promo Code Offer
| DraftKings Promo Code | No Code Needed |
|---|---|
| New User Offer | Bet $5, Get $150 Bonus |
| Terms and Conditions | 21+ and Present in Participating States. |
| Date Last Verified | August 21, 2026 |
Score $150 in Bonus Bets
For new DraftKings customers looking to build a serious bankroll, this DraftKings promo code is an absolute steal. It gives us a real chance to chase bigger payouts without sweating the initial result. All you have to do is place a $5 wager on any game across the MLB slate. Because the outcome of your $5 bet doesn’t matter, you are guaranteed to secure the bonus whether your ticket cashes or busts.
The $150 reward is paid out as six $25 bonus bets, and I love how DraftKings structures this to keep us in the action. You will receive your first $50 (two $25 bonus bets) instantly upon placing your qualifying wager. Then, DraftKings will reload your account with another $50 on Day 7, and the final $50 on Day 14. This staggered payout is a bettor’s dream, giving you plenty of time to study the morning lines, identify the best value, and spread your bonus across multiple matchups over the next two weeks.
MLB Games and Betting Lines for Friday
Before we lock in our wagers, let’s take a look at the odds for tonight’s MLB slate. Finding the right value is the key to smart handicapping, especially when you have bonus bets waiting in the wings.
| Matchup | Moneyline | Total (O/U) |
|---|---|---|
| St. Louis Cardinals at Philadelphia Phillies | PHI -211 / CAR +188 | 8.0 (O -110 / U -109) |
| San Francisco Giants at Boston Red Sox | BOS -176 / SF +159 | 7.5 (O -101 / U -120) |
Tonight’s Top Matchups to Handicap
San Francisco Giants at Boston Red Sox
Tonight’s interleague clash at Fenway Park features a premier pitching duel, which is reflected in that low 7.5-run total. The Red Sox are stepping up as heavy home chalk (-176) and will send Sonny Gray to the mound. Gray has been sensational this year, boasting a 2.646 ERA and 117 strikeouts across 132.2 innings.
The Giants will counter with their own ace, Logan Webb, who brings a solid 3.496 ERA and 110 strikeouts to the table. Offensively, Boston will rely on slugger Rafael Devers, who has already belted 25 home runs and tallied 69 RBIs this season. When I look at two aces dealing like this, playing the under is always an enticing angle.
St. Louis Cardinals at Philadelphia Phillies
The Phillies enter tonight as massive -211 home favorites against the Cardinals, and if you don’t mind laying the juice, there is good reason to back them. Philadelphia’s pitching staff is anchored by Jesús Luzardo, who has been an absolute strikeout machine, racking up 185 strikeouts in 150.1 innings of work while maintaining a 3.233 ERA.
On the other side of the ball, Bryce Harper remains a major threat in the batter’s box, posting 25 homers and 72 RBIs. With the over/under set at a flat 8.0 runs, the Phillies’ combination of reliable pitching and power hitting makes them a prime target to anchor your bets tonight.
DraftKings Promo Code: Guide to Register
Claiming your welcome bonus before first pitch is a quick and straightforward process. Best of all, there is no manual DraftKings promo code to worry about. Just follow these steps to get in the game:
- Create an Account: Register for a new account here. You will need to provide standard personal information to verify your identity, such as your full name, date of birth, email address, and physical address.
- Make a Deposit: Once your account is verified, head to the cashier section. Deposit at least $5 into your account using one of DraftKings’ secure payment methods, like online banking, a credit/debit card, or PayPal.
- Place Your Qualifying Bet: Navigate to the MLB betting markets and place a real-money wager of at least $5. Whether you want to back the Tampa Bay Rays on the road or lock in the Phillies on the moneyline, simply make your pick.
- Claim Your Bonus: As soon as your qualifying bet is placed, DraftKings will instantly reward your account with your first $50 in bonus bets. You will then receive $50 on Day 7 and the final $50 on Day 14, giving you a total of $150 to play with, regardless of whether your initial bet wins or loses.
21+ and present in participating states. Gambling problem? Call 1-800-Gambler.
Kentucky resident and graduate of the University of Louisville, Alex has years of experience in the online gambling industry. He is an avid fan of the New York Yankees, Indianapolis Colts, and his alma mater, Louisville Cardinals.