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

Odds updated as of 3:12 p.m.

The Tuesday slate in the MLB includes a matchup between the Seattle Mariners and the Detroit Tigers for Game 3 of the ALDS.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the vital info regarding this game.

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 (+126) | DET: +1.5 (-152)
• Total: 8 -- Over: (-104) | Under: (-118)

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) against the Tigers and Jack Flaherty (8-15, 4.64 ERA). When Gilbert starts, his team is 9-15-0 against the spread this season. When Gilbert starts a game and his team is the favorite on the moneyline, they have a record of 14-6. The Tigers are 11-19-0 ATS in Flaherty's 30 starts that had a set spread. The Tigers have been the underdog on the moneyline in nine of Flaherty's starts this season, and they went 3-6 in those matchups.

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

• Looking at the moneyline for Tigers-Mariners, Detroit is the underdog at +114, and Seattle is -134 playing on the road.

Mariners vs Tigers Spread

• The Tigers are +1.5 on the spread (-152 to cover), and Seattle is +126 to cover the runline.

Mariners vs Tigers Over/Under

• A total of 8 runs has been set for the Mariners-Tigers game on Oct. 7, with the over available at -104 and the under at -118.

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

Mariners vs Tigers Betting Trends

• The Mariners have won in 66, or 58.9%, of the 112 contests they have been named as odds-on favorites in this year.
• This season Seattle has come away with a win 45 times in 68 chances when named as a favorite of at least -134 on the moneyline.
• The Mariners and their opponents have gone over the total this season in 85 of their 159 opportunities.
• The Mariners are 71-88-0 against the spread in their 159 games with a line set by sportsbooks this season.
• The Tigers have won 51.1% of the games this season they were the underdog on the moneyline (24-23).
• Detroit has a 9-11 record (winning 45% of its games) when it has played as a moneyline underdog of +114 or longer.
• In the 160 games bookmakers have set an over/under for the Tigers, they have combined with opponents to go over the total 79 times (79-74-7).
• The Tigers have a 73-87-0 record against the spread this season (covering 45.6% of the time).

Mariners Player Leaders

• Cal Raleigh has 147 hits and an OBP of .359, both of which are tops among Seattle hitters this season. He has a .247 batting average and a slugging percentage of .589.
• Among all qualified hitters in baseball, he ranks 98th in batting average, 20th in on-base percentage, and third in slugging.
• Raleigh will look for his fourth straight game with a hit in this matchup. During his last five outings he is hitting .333 with two doubles and a walk.
• Julio Rodriguez leads Seattle in slugging percentage (.474) thanks to 67 extra-base hits. He's batting .267 with an on-base percentage of .324.
• He ranks 44th in batting average, 88th in on-base percentage and 38th in slugging in the majors.
• Rodriguez heads into this game looking to extend his three-game hit streak. During his last five outings 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 put up a team-high .358 on-base percentage. He's batting .256 and slugging .387.
• He is 77th in batting average, 23rd in on-base percentage and 118th in slugging percentage among all qualified batters in the big leagues.
• Torres heads into this game on a four-game hitting streak. During his last five outings he is batting .190 with a double and a walk.
• Riley Greene's 155 hits and .493 slugging percentage both pace his team. He has a batting average of .258 with an on-base percentage of .313.
• Including all qualified hitters, he is 69th in batting average, 104th in on-base percentage and 21st in slugging percentage.
• Spencer Torkelson is hitting .240 with 27 doubles, a triple, 31 home runs and 72 walks.
• Zach McKinstry is batting .259 with 23 doubles, 11 triples, 12 home runs and 46 walks.

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)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!