Mariners vs Tigers Prediction, Odds, Moneyline, Spread & Over/Under for ALDS Game 3 on Oct. 7

Odds updated as of 12:12 a.m.

The Seattle Mariners versus the Detroit Tigers in Game 3 of the ALDS is on the MLB schedule for Tuesday.

Here's everything you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Tigers Game Info

• Seattle Mariners (90-72) vs. Detroit Tigers (87-75)
• Date: Tuesday, October 7, 2025
• Time: 4:08 p.m. ET
• Venue: Comerica Park -- Detroit, Michigan
• Coverage: Fox Sports 1

Mariners vs Tigers Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-134) | DET: (+114)
• Spread: SEA: -1.5 (+132) | DET: +1.5 (-160)
• Total: 7.5 -- Over: (-102) | Under: (-120)

Mariners vs Tigers Probable Starting Pitchers

Probable Pitchers: Logan Gilbert (Mariners) - 6-6, 3.44 ERA vs Jack Flaherty (Tigers) - 8-15, 4.64 ERA

The Mariners will give the nod to Logan Gilbert (6-6, 3.44 ERA) versus the Tigers and Jack Flaherty (8-15, 4.64 ERA). Gilbert's team is 9-15-0 against the spread in his starts this season. Gilbert's team is 14-6 this season when he starts and they are the moneyline favorite. The Tigers are 11-19-0 against the spread when Flaherty starts. The Tigers have a 3-6 record in Flaherty's nine starts this season when they were the moneyline underdog.

Mariners vs Tigers Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (52.2%)

Mariners vs Tigers Moneyline

• The moneyline numbers for Mariners vs. Tigers reveal Seattle as the favorite (-134) and Detroit as the underdog (+114) despite being the home team.

Mariners vs Tigers Spread

• The Mariners are favored by 1.5 runs on the road against the Tigers. The Mariners are +132 to cover the spread, while the Tigers are -160.

Mariners vs Tigers Over/Under

• A total of 7.5 runs has been set for the Mariners-Tigers game on Oct. 7, with the over available at -102 and the under at -120.

Bet on Seattle Mariners vs. Detroit Tigers on FanDuel today!

Mariners vs Tigers Betting Trends

• The Mariners have been favorites in 112 games this season and have come away with the win 66 times (58.9%) in those contests.
• This season Seattle has been victorious 45 times in 68 chances when named as a favorite of at least -134 on the moneyline.
• The Mariners and their opponents have hit the over in 85 of their 159 games with a total set by oddsmakers this season.
• The Mariners are 71-88-0 against the spread in their 159 games that had a posted line this season.
• The Tigers have gone 24-23 in games they were the underdog on the moneyline (winning 51.1% of those games).
• Detroit has a record of 9-11 in games it has played as a moneyline underdog with odds of +114 or longer (45%).
• The Tigers have played in 160 games with a set over/under, and have combined with their opponents to go over the total 79 times (79-74-7).
• The Tigers have put together a 73-87-0 record ATS this season.

Mariners Player Leaders

• Cal Raleigh has 147 hits and an OBP of .359, both of which are best among Seattle hitters this season. He has a .247 batting average and a slugging percentage of .589.
• Among qualifying batters, he ranks 98th in batting average, his on-base percentage ranks 20th, and he is third in slugging.
• Raleigh hopes to build on a three-game hitting streak in this matchup. In his last five games he is batting .333 with two doubles and a walk.
• Julio Rodriguez has hit 32 homers this season while driving in 95 runs. He's batting .267 this season and slugging .474 with an on-base percentage of .324.
• He ranks 44th in batting average, 88th in on-base percentage and 38th in slugging in MLB.
• Rodriguez enters this game looking to extend his three-game hit streak. In his last five games he is hitting .278 with a double, a home run, three walks and three RBIs.
• Josh Naylor has collected 160 base hits, an OBP of .353 and a slugging percentage of .462 this season.
• Eugenio Suarez is batting .228 with a .298 OBP and 118 RBI for Seattle this season.

Tigers Player Leaders

• Gleyber Torres has a team-high .358 on-base percentage. He's batting .256 and slugging .387.
• Including all qualified hitters in MLB, his batting average puts him 77th, his on-base percentage ranks 23rd, and he is 118th in slugging.
• Torres enters this game on a four-game hitting streak. During his last five outings he is hitting .190 with a double and a walk.
• Riley Greene has collected 155 hits while slugging .493. Both pace his team. He has a batting average of .258 with an on-base percentage of .313.
• Including all qualifying hitters, he is 69th in batting average, 104th in on-base percentage and 21st in slugging percentage.
• Spencer Torkelson has 27 doubles, a triple, 31 home runs and 72 walks while batting .240.
• Zach McKinstry has 23 doubles, 11 triples, 12 home runs and 46 walks while batting .259.

Mariners vs Tigers Head to Head

• 10/5/2025: 3-2 SEA (Favorite: Tigers, Spread: -1.5, Total: 5.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 10/4/2025: 3-2 DET (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 7/13/2025: 8-4 SEA (Favorite: Tigers, Spread: -1.5, Total: 8, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 7/11/2025: 12-3 SEA (Favorite: Tigers, Spread: -1.5, Total: 7, Favorite Moneyline: -290, Underdog Moneyline: +235)
• 4/2/2025: 3-2 SEA (Favorite: Tigers, Spread: -1.5, Total: 6.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 4/1/2025: 4-1 DET (Favorite: Mariners, Spread: -1.5, Total: 6.5, Favorite Moneyline: -178, Underdog Moneyline: +150)
• 3/31/2025: 9-6 DET (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 8/15/2024: 2-1 DET (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 8/14/2024: 3-2 DET (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 8/13/2024: 15-1 DET (Favorite: Tigers, Spread: -1.5, Total: 6.5, Favorite Moneyline: -126, Underdog Moneyline: +108)

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