The Detroit Tigers and the Seattle Mariners play Game 4 of the 2025 ALDS this afternoon at Comerica Park. Seattle leads the best-of-five series 2–1 after taking Game 3 and now has a chance to advance to the ALCS for the first time since 2001.
Last night’s rain-delayed game saw the Mariners take control early and never let go, powered by home runs from Cal Raleigh, Eugenio Suárez, and J.P. Crawford.
Starter Logan Gilbeert delivered six strong innings of one-run ball, striking out seven and walking none. Detroit made a late push in the ninth inning but couldn’t close the gap. They now face elimination at home.
Mariners-Tigers Game 4 Pitchers: Miller vs. Mize
Seattle turns to right-hander Bryce Miller in Game 4, hoping to close the series. Miller’s regular season was subpar, going 4–6 with a 5.68 ERA and 74 strikeouts over 90 innings. He spent much of it on the IL with elbow inflammation. The Mariners are counting on him to provide at least a few solid innings before handing things over to their deep bullpen.
Detroit goes with Casey Mize, one of their steadiest starters this season. Mize finished the year 14–6 with a 3.87 ERA and 139 strikeouts across 149 innings. He’s pitched better at Comerica Park than on the road (3.68 ERA vs. 4.04 ERA). The right-hander deploys a slider and slurve along with his fastball-splitter mix to keep hitters off balance.
Mize pitched in the AL Wild Card Series against the Cleveland Guardians, allowing one run over three innings. He faced Seattle twice in the regular season, pitching a scoreless 5.2 innings of one-hit baseball in April and then getting knocked out early in a July start in which he allowed six runs over three innings.
The Tigers lack the firepower to compete with the Mariners in a slugfest. Seattle’s staff has limited them to an average of just three runs a game this series.
Mariners-Tigers Prediction
Expect the Tigers to live to see another day, backed by a strong outing from Mize. Detroit will get just enough off the struggling Miller to give them the victory at home.
Prediction: Tigers 4, Mariners 3
Starting Lineups
Seattle Mariners
1. Randy Arozarena – LF
2. Cal Raleigh – C
3. Julio Rodríguez – CF
4. Jorge Polanco – 2B
5. Josh Naylor – 1B
6. Eugenio Suárez – 3B
7. Dominic Canzone – DH
8. Victor Robles – RF
9. J.P. Crawford – SS
Starting Pitcher: Bryce Miller (RHP) — 4-6, 5.68 ERA (2025 Regular Season)
Detroit Tigers
1. Kerry Carpenter – RF
2. Gleyber Torres — 2B
3. Colt Keith – DH
4. Riley Greene – LF
5. Spencer Torkelson – 1B
6. Zach McKinstry – 3B
7. Dillon Dingler – C
8. Parker Meadows – CF
9. Javier Báez – SS
Starting Pitcher: Casey Mize (RHP) — 8-15, 4.64 ERA (2025 Regular Season)
How to Watch Mariners vs. Tigers
First pitch for this afternoon’s game between the Mariners and Tigers is set for 3:08 PM Eastern / 12:08 PM Pacific at Comerica Park in Detroit.
The game will now air live on FS1 and stream live on the FOX One and FOX Sports apps and websites.
If those options aren’t available, several services offer free trials that include FS1.
FuboTV, Hulu + Live TV, DirecTV Stream, and FOX One all provide free trial periods that give you immediate access to the game.
Seattle Mariners vs. Detroit Tigers
Date: Wednesday, October 8, 2025
Time: 3:08 PM Eastern / 12:08 PM Pacific
Venue: Comerica Park, Detroit, MI
TV: FS1
Streaming: FOX Sports app and website
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