The Seattle Mariners game today, October 11, 2025, was the continuation of the ALDS Game 5 against the Detroit Tigers, which actually started on Friday, October 10, 2025, at 5:08 p.m. PT (8:08 p.m. ET) at T-Mobile Park in Seattle. This game extended into extra innings and was the longest winner-take-all game in postseason history, concluding only after 15 innings on October 10.
There is no separate Mariners game starting today, October 11; the next game scheduled for them is Game 1 of the ALCS against the Toronto Blue Jays starting Sunday, October 12.
