The stars will once again align in Seattle and T-Mobile Park for 2023 All-Star Week. This marks the third time in history the Mariners will host the Midsummer Classic. (1979 - Kingdome, 2001 - Safeco Field). Guarantee priority access to 2023 All-Star Week with a Mariners Season Ticket Membership. Become a member today to lock in the opportunity to purchase tickets to the Midsummer Classic and more. Now's the time to get on board.