Tigers vs Mariners Prediction, Odds, Moneyline, Spread & Over/Under for ALDS Game 2 on Oct. 5

Odds updated as of 10:12 a.m.

The Sunday slate in the MLB includes a matchup between the Detroit Tigers and the Seattle Mariners in Game 2 of the ALDS.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's everything you need to know.

Tigers vs Mariners Game Info

• Detroit Tigers (87-75) vs. Seattle Mariners (90-72)
• Date: Sunday, October 5, 2025
• Time: 8:03 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Fox Sports 1

Tigers vs Mariners Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: DET: (-132) | SEA: (+112)
• Spread: DET: -1.5 (+146) | SEA: +1.5 (-176)
• Total: 6 -- Over: (-100) | Under: (-122)

Tigers vs Mariners Probable Starting Pitchers

Probable Pitchers: Tarik Skubal (Tigers) - 13-6, 2.21 ERA vs Luis Castillo (Mariners) - 11-8, 3.54 ERA

The Tigers will look to Tarik Skubal (13-6, 2.21 ERA) against the Mariners and Luis Castillo (11-8, 3.54 ERA). Skubal and his team have a record of 13-17-0 against the spread when he starts. Skubal's team has been victorious in 67.9% of the games he's started as the moneyline favorite with a record of 19-9. When Castillo starts, the Mariners are 15-17-0 against the spread. The Mariners are 3-3 in Castillo's six starts this season that they were the moneyline underdog.

Tigers vs Mariners Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (51.4%)

Tigers vs Mariners Moneyline

• The moneyline numbers for Tigers vs. Mariners reveal Detroit as the favorite (-132) and Seattle as the underdog (+112) despite being the home team.

Tigers vs Mariners Spread

• The Mariners are +1.5 on the run line against the Tigers. The Mariners are -176 to cover, and the Tigers are +146.

Tigers vs Mariners Over/Under

• A combined run total of 6 has been set for Tigers-Mariners on Oct. 5, with the over at -100 and the under at -122.

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Tigers vs Mariners Betting Trends

• The Tigers have come away with 59 wins in the 106 contests they have been listed as the favorites in this season.
• This year Detroit has won 47 of 81 games when listed as at least -132 on the moneyline.
• The Tigers' games have gone over the total in 79 of their 159 opportunities.
• In 159 games with a line this season, the Tigers have a mark of 73-86-0 against the spread.
• The Mariners have been the underdog on the moneyline 40 total times this season. They've finished 18-22 in those games.
• Seattle has an 11-9 record (winning 55% of its games) when it has played as a moneyline underdog of +112 or longer.
• In the 158 games bookmakers have set an over/under for the Mariners, they have combined with opponents to go over the total 85 times (85-68-5).
• The Mariners have covered 44.3% of their games this season, going 70-88-0 ATS.

Tigers Player Leaders

• Gleyber Torres has 136 hits this season and a team-best OBP of .358. He has a .256 batting average and a slugging percentage of .387.
• Among all qualifying hitters in MLB, his batting average ranks 77th, his on-base percentage ranks 23rd, and he is 118th in slugging.
• Torres has recorded a base hit in three games in a row. During his last five outings he is hitting .136 with a double.
• Riley Greene leads Detroit in slugging percentage (.493) and total hits (155) this season. He's batting .258 with an on-base percentage of .313.
• Among qualifiers, he ranks 69th in batting average, 104th in on-base percentage and 21st in slugging percentage.
• Greene takes a four-game streak with at least one hit into this one. In his last five games he is hitting .300 with two doubles, a walk and an RBI.
• Spencer Torkelson has 135 hits this season and has a slash line of .240/.333/.456.
• Zach McKinstry has 12 home runs, 49 RBI and a batting average of .259 this season.

Mariners Player Leaders

• Cal Raleigh has racked up an on-base percentage of .359 and has 147 hits, both team-high numbers for the Mariners. He's batting .247 and slugging .589.
• He is 98th in batting average, 20th in on-base percentage and third in slugging percentage among all qualified hitters in the big leagues.
• Julio Rodriguez is slugging .474 to pace his team. He has a batting average of .267 with an on-base percentage of .324.
• He is 44th in batting average, 88th in on-base percentage and 38th in slugging percentage in the big leagues.
• Josh Naylor is hitting .295 with 29 doubles, a triple, 20 home runs and 48 walks.
• Eugenio Suarez is hitting .228 with 28 doubles, 49 home runs and 46 walks.

Tigers vs Mariners Head to Head

• 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)
• 8/8/2024: 4-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -205, Underdog Moneyline: +172)

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