What fans should know before attending a Mariners game at T-Mobile Park in 2024
All main T-Mobile Park gates open 90 minutes before the first pitch. The T-Mobile 'Pen gate, located next to the Mariners bullpen in centerfield, opens two hours before the first pitch. Fans will only be able to access the ‘Pen area of the ballpark until all other main gates open. Here is the summary of the policy from the Mariners' website.