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ALCS Game 4: Mariners Debut Rivas, Blue Jays Shift Roster

10/17/2025

Summary

Mariners' ALCS Showdown

The Seattle Mariners will play the Toronto Blue Jays in Game 4 of the American League Championship Series (ALCS) tonight at 5:33 p.m.
Leo Rivas will make his postseason debut at second base for Seattle, replacing Victor Robles.
The Blue Jays have added Joey Loperfido to their roster, replacing Anthony Santander due to a back injury.
Max Scherzer will start for Toronto, while Luis Castillo will pitch for Seattle, which seeks to regain momentum after losing Game 3.

Summary

Miller Leads Mariners

Bryce Miller, a Seattle Mariners pitcher, will start Game 5 in the ALCS against the Toronto Blue Jays.
Bryan Woo, Seattle Mariners pitcher, will be available from the bullpen but limited after a pectoral injury and no action since September 19.
Miller previously excelled in Game 1, allowing one run in six innings.
The Mariners lead the series 2-1.
Game 4 is set for Thursday at T-Mobile Park in Seattle.

History

Historical Context

The 1995 American League Division Series (ALDS) marked the Seattle Mariners' first postseason appearance, culminating in a dramatic 3-2 series victory over the New York Yankees. This historic win, highlighted by Ken Griffey Jr.'s pivotal home run and Edgar Martínez's iconic double, revitalized baseball in Seattle and led to the construction of T-Mobile Park in 1999, solidifying the franchise's legacy.

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Mariners' ALCS Showdown

The Seattle Mariners will play the Toronto Blue Jays in Game 4 of the American League Championship Series (ALCS) tonight at 5:33 p.m.
Leo Rivas will make his postseason debut at second base for Seattle, replacing Victor Robles.
The Blue Jays have added Joey Loperfido to their roster, replacing Anthony Santander due to a back injury.
Max Scherzer will start for Toronto, while Luis Castillo will pitch for Seattle, which seeks to regain momentum after losing Game 3.

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