Use the DraftKings promo code offer for a chance to get $300 in bonus bets with a winning $5 bet on Stanley Cup Final Game 3 or any MLB game on Monday. Click here to start the registration process and claim the welcome offer before today's action.This offer from DraftKings provides new users with an opportunity to start their accounts the right way. Game 3 between the Florida Panthers and Edmonton Oilers is an exciting opportunity after the first two games of the series went to overtime. There are also interesting MLB matchups, like a 6:45 p.m. ET clash between two National League contenders in the Chicago Cubs and Philadelphia Phillies.Win $300 NHL, MLB Bonus With DraftKings Promo Code DraftKings Promo Code Sign Up Through Our Links – No Code Needed New User Offer Bet $5, Win $300 in Bonus Bets In-App Promos NHL SGP Boost, 1st Inning Boost, MLB Monday Boost, etc. Terms and Conditions New Customers – 21+ in Eligible States Bonus Last Verified On June 9, 2025 Information Confirmed By The DraftKings promo code offer has an important caveat: you must win your initial $5 bet to get the $300 in bonuses.It might be your first instinct to place your $5 wager on a simple moneyline bet for Panthers-Oilers, Cubs-Phillies or another game, but you should dig into markets across DraftKings Sportsbook and pick one that you feel has a good chance of settling as a win.Looking into available prop bets might be the smart move. For Panthers-Oilers, maybe you could look into a shots on goal prop. Some of these lines are adjustable. Just make sure the odds are -500 or longer, and your $5 bet will qualify for the welcome offer.The same goes for MLB games. Maybe you could look at strikeout props for Matthew Boyd, Zack Wheeler or any other starting pitcher for one of Monday's games.Once you place your $5 bet, wait for it to settle. If it wins, you will get your $300 in bonuses that will be valid for the next week.Redeem DraftKings Promo Code OfferTo start the registration process, click here or on any of our other links. This will automatically give you the welcome offer once you complete your account. Provide personal information, like your name, age, address, email, etc. to complete this step.The next step is to use a secure payment method, like a credit card or debit card, to make an initial deposit. This will cover your initial $5 bet.If you win the $300 in bonus bets, they will stay in your account for seven days before expiring.DraftKings Stanley Cup In-App OfferWhen you are set up with your new DraftKings Sportsbook account, there are also several in-app promos to take advantage of in addition to the $300 bonus offer. For Panthers-Oilers Game 3, you can claim a 33 percent profit boost on a same game parlay. Just claim the token and use it on a same game parlay that has three or more legs and odds of +300 or longer.You can also claim the 50 percent profit boost for 1st inning bets for Monday's MLB games, as well as the 33 percent MLB profit boost offer.On days when an NBA Finals game is taking place, there will be similar offers available to you. Check in at the start of each day to see what DraftKings Sportsbook is offering for the top games on a given day.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.