en-US Event Tickets http://www.ticketseating.com/mlb-postseason-tickets--in-seattle-wa/ To buy MLB Postseason in Seattle WA tickets, choose an event below. Buy cheap AL Wild Card: Seattle Mariners vs. TBD - Game 1 (If Necessary) tickets for Tuesday September 29, 2026 at 3:30 AM at T-Mobile Park in Seattle, WA. 8173747 Buy cheap AL Wild Card: Seattle Mariners vs. TBD - Game 2 (If Necessary) tickets for Wednesday September 30, 2026 at 3:30 AM at T-Mobile Park in Seattle, WA. 8173748 Buy cheap AL Wild Card: Seattle Mariners vs. TBD - Game 3 (If Necessary) tickets for Thursday October 01, 2026 at 3:30 AM at T-Mobile Park in Seattle, WA. 8173749 Buy cheap American League Division Series: Seattle Mariners vs. TBD - Home Game 1 (Date: TBD - If Necessary) tickets for Saturday October 03, 2026 at 3:30 AM at T-Mobile Park in Seattle, WA. 8173751 Buy cheap American League Division Series: Seattle Mariners vs. TBD - Home Game 2 (Date: TBD - If Necessary) tickets for Sunday October 04, 2026 at 3:30 AM at T-Mobile Park in Seattle, WA. 8173752 Buy cheap American League Division Series: Seattle Mariners vs. TBD - Home Game 3 (Date: TBD - If Necessary) tickets for Friday October 09, 2026 at 3:30 AM at T-Mobile Park in Seattle, WA. 8173753