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Detroit Tigers celebrate winning AL wild card in 2025 MLB playoffs

The Detroit Tigers celebrate a 6-3 win over the Cleveland Guardians in Game 3 of the AL wild card, advancing to the ALDS in the 2025 MLB postseason.

The Detroit Tigers and Seattle Mariners are two of four teams remaining in the American League.

The Mariners had a bye after winning the AL West, while the Tigers knocked off the Cleveland Guardians in a wild-card series, advancing with Thursday’s 6-3 win in a do-or-die Game 3.

The Tigers and Mariners open Game 1 of the best-of-five ALDS on Saturday, Oct. 4 at T-Mobile Park in Seattle. First pitch is scheduled for 8:38 p.m. ET, with the broadcast airing on FS1 and streaming on Fubo, which offers a free trial.

Rookie Troy Melton is set to start Game 1 of the ALDS for the Tigers, marking the first postseason start of his career. Opposing him is Mariners’ righty George Kirby, who pitched to a 10-8 record and a 4.21 ERA over 126 innings pitched during the 2025 regular season.

We’ll have all the live updates and highlights from Tigers-Mariners Game 1 action.

Celebrate 125 years of Tigers baseball!

Tigers vs Mariners live score in Game 1 of ALDS

This section will be updated during the game

Tigers vs Mariners live updates in Game 1

This section has been updated with new information

The Tigers have unveiled their ALDS Game 1 lineup.

Notably, left fielder Riley Greene has moved up to the No. 3 spot after batting in the No. 5 spot in all three games against the Cleveland Guardians. Colt Keith, back from injury, will be the team’s designated hitter.

Tigers infielder Colt Keith, who was left off the team’s wild card roster while dealing with rib cage inflammation, has been added to the team’s ALDS roster ahead of Detroit’s Game 1 matchup with the Mariners.

Coming off the roster for Keith is outfielder Justyn-Henry Malloy. On the pitching side, the Tigers added reliever Brenan Hanifee while taking off reliever Paul Sewald.

Tigers ALDS Game 1 channel vs Mariners

The Tigers will play the Mariners on FS1 amidst a busy college football and MLB day. The New York Yankees and Toronto Blue Jays will play earlier in the day on Fox.

First pitch: 8:38 p.m. ET Saturday, Oct. 4.

Channel: FS1.

Streaming: Fubo.

Radio: WXYT-FM (97.1).

Watch Tigers-Mariners on Fubo

Tigers ALDS Game 1 prediction vs Mariners

Evan Petzold, Detroit Free Press: The Mariners enter October with the AL’s most complete roster — an elite rotation (even without injured ace Bryan Woo), a dominant bullpen anchored by Andrés Muñoz and a top-tier offense powered by Cal Raleigh and Julio Rodríguez. The Tigers’ advantage: A.J. Hinch is a better tactical manager than Dan Wilson. The Tigers must steal Game 1 with Troy Melton starting and bullpen chaos to follow, then win Game 2 behind Tarik Skubal. If that happens, the Tigers will need only one more win in the last three games of the series, with Skubal lined up to start a potential Game 5. The pick: Tigers in 4.

Tigers ALDS Game 1 odds vs Mariners

The Mariners are a strong home favorite in their Game 1 matchup against the Tigers.

Over/under: 7 runs.Moneyline: Mariners (-220), Tigers (+180).

Odds are courtesy of BetMGM as of Saturday afternoon.

Tigers record vs Mariners this season

The Tigers opened the season series by winning the first two games, but then lost the next four contests, including a sweep at Comerica Park leading into the All-Star break that ended up being a harbinger for what was ahead for the Tigers in the second half.

Tigers record vs Mariners in 2025: 2-4.Tigers’ all-time record vs Mariners: 234-215.Tigers vs Mariners playoff history

The Tigers and Mariners have never matched up in a postseason series before. The Tigers have a 16-15 record against the Mariners in the last five seasons, but were 2-4 against them this year, including getting swept at Comerica Park in the last series just before the All-Star break in July.

You can reach Christian at cromo@freepress.com.