Use DraftKings promo code to get $300 bonus bets, 3 months of NBA League Pass free by picking Mariners

DraftKings is offering a promotional deal for new users, which includes a $300 bonus bet if their first $5 bet wins, as well as 3 months of free NBA League Pass. This offer is available for bets on the American League Championship Series (ALCS) matchup between the Toronto Blue Jays and the Seattle Mariners, as well as college football games on Wednesday. The $300 bonus bet is contingent on the user's first $5 bet being successful, and the free NBA League Pass subscription is a limited-time offer. The article highlights the ALCS series between the Blue Jays and Mariners as a key part of the promotion, likely due to the high-profile nature of the playoff matchup. Overall, the article outlines a DraftKings promotional offer that includes a sizable bonus bet and a free streaming service subscription, which may appeal to sports bettors and fans looking to take advantage of the ongoing baseball and college football seasons.