Seattle Mariners vs. Boston Red Sox

Join us for the Seattle Mariners taking on the Boston Red Sox at T-Mobile Park. The T-Mobile Pen opens 2 hours prior to game time, while all other gates open 90 minutes before the first pitch. Please visit our Ballpark Information Guide for details on the Bag Policy, Prohibited Items, Transportation Options, and other FAQs. Note: A special limited collectible ticket is available, but it is not valid for entry and will be delivered post-event. Public sale starts on Mon, 1 Jun 2026 at 06:15 PM.