Toronto Blue Jays vs Seattle Mariners Injury Report

The upcoming clash on October 16, 2025, between the Toronto Blue Jays and Seattle Mariners at T-Mobile Park in Seattle, WA, promises to shift the momentum in this pivotal Game 4 of the ALCS. With the series tied 2-2, both clubs will lean heavily on their pitching arms and depth as they aim for a 3-1 edge.

This injury report highlights several key absences and their potential impact:

• Trent Thornton (RP) is on the 60-Day IL with an Achilles surgery, not expected back until May 1, 2026, thinning Seattle’s bullpen depth.
• Jackson Kowar (RP) landed on the 15-Day IL with a pinched right shoulder nerve; he could return by October 24, 2025, limiting late-inning relief options.
• José Berríos (P) is out with left knee inflammation after taking a comebacker; he’s expected to make his next start on October 24, 2025, vital for Toronto’s rotation.
• Bo Bichette (SS) is out with a left knee sprain; he’s running sprints and eyeing an October 24, 2025 return, leaving a hole in the heart of the lineup.
• Ty France (1B) remains out with left oblique inflammation, targeting an October 24, 2025 return, impacting Toronto’s run production and depth at first base.

These updates can swing betting angles, especially with Toronto missing key bats and Seattle’s relief corps stretched thin. For a full rundown of all current MLB injuries and to track late scratches, visit our MLB injury updates. Using these injury insights alongside pitching matchups can help you make a smarter wager.

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