Seattle Mariners vs. Boston Red Sox

Please visit our Ballpark Information Guide to make the most of your visit to T-Mobile Park. Find the latest information regarding Bag Policy, Prohibited Items, Transportation Options and other Frequently Asked Questions. Originally scheduled for June 20, 2026 at 1:10p. Previously purchased tickets will be honored for the new date. The T-Mobile Pen open 2 hours prior to game time. All other gates open 90 minutes prior to first pitch.