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

Odds updated as of 7:12 p.m.

The MLB slate on Sunday includes the Detroit Tigers facing the Seattle Mariners in Game 2 of the ALDS.

Before you do any MLB betting on this matchup at FanDuel Sportsbook, here's what 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: (-154) | SEA: (+130)
• Spread: DET: -1.5 (+130) | SEA: +1.5 (-156)
• Total: 5.5 -- Over: (-122) | Under: (-100)

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 probable pitchers are Tarik Skubal (13-6, 2.21 ERA) for the Tigers and Luis Castillo (11-8, 3.54 ERA) for the Mariners. Skubal and his team are 13-17-0 ATS this season when he starts. Skubal's team has won 67.9% of his starts when they are favored on the moneyline (19-9). The Mariners have gone 15-17-0 against the spread when Castillo starts. 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

• Seattle is the underdog, +130 on the moneyline, while Detroit is a -154 favorite despite being on the road.

Tigers vs Mariners Spread

• The Tigers are favored by 1.5 runs on the road versus the Mariners. The Tigers are +130 to cover the spread, while the Mariners are -156.

Tigers vs Mariners Over/Under

• Tigers versus Mariners on Oct. 5 has an over/under of 5.5 runs, with the odds on the over -122 and the under set at -100.

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

Tigers vs Mariners Betting Trends

• The Tigers have been favorites in 106 games this season and have come away with the win 59 times (55.7%) in those contests.
• This year Detroit has won 35 of 54 games when listed as at least -154 on the moneyline.
• The Tigers and their opponents have hit the over in 79 of their 159 games with a total set by oddsmakers this season.
• In 159 games with a line this season, the Tigers have a mark of 73-86-0 against the spread.
• The Mariners have won 18 of the 40 games they were the moneyline underdog this season (45%).
• Seattle has a 4-4 record (winning 50% of its games) when playing as a moneyline underdog of +130 or longer.
• The Mariners have played in 158 games with a set over/under, and have combined with opponents to go over the total 85 times (85-68-5).
• The Mariners have put together a 70-88-0 record against the spread this season.

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 qualifying hitters in baseball, his batting average ranks 77th, his on-base percentage ranks 23rd, and he is 118th in slugging.
• Torres has hit safely in three straight games. During his last five outings he is batting .136 with a double.
• Riley Greene leads Detroit with 155 hits and a team-best slugging percentage of .493. He's batting .258 with an on-base percentage of .313.
• His batting average ranks 69th among qualified players, his on-base percentage 104th, and his slugging percentage 21st.
• Greene has picked up a hit in four straight games. During his last five outings he is batting .300 with two doubles, a walk and an RBI.
• Spencer Torkelson has collected 135 base hits, an OBP of .333 and a slugging percentage of .456 this season.
• Zach McKinstry is batting .259 with a .333 OBP and 49 RBI for Detroit this season.

Mariners Player Leaders

• Cal Raleigh has put up a team-best OBP (.359), while leading the Mariners in hits (147). He's batting .247 and slugging.
• Including all the qualifying hitters in the majors, his batting average places him 98th, his on-base percentage is 20th, and he is third in slugging.
• Julio Rodriguez paces his team with a .474 slugging percentage. He has a batting average of .267 with an on-base percentage of .324.
• His batting average is 44th among all qualified players, his on-base percentage is 88th, and he is 38th in slugging.
• Josh Naylor is batting .295 with 29 doubles, a triple, 20 home runs and 48 walks.
• Eugenio Suarez has 28 doubles, 49 home runs and 46 walks while hitting .228.

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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