Mariners vs Blue Jays Prediction, Odds, Moneyline, Spread & Over/Under for ALCS Game 3 on Oct. 15

Odds updated as of 9:12 a.m.

In MLB action on Wednesday, the Seattle Mariners face the Toronto Blue Jays in Game 3 of the ALCS.

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

Mariners vs Blue Jays Game Info

• Seattle Mariners (90-72) vs. Toronto Blue Jays (94-68)
• Date: Wednesday, October 15, 2025
• Time: 8:08 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Fox Sports 1

Mariners vs Blue Jays Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-132) | TOR: (+112)
• Spread: SEA: -1.5 (+152) | TOR: +1.5 (-184)
• Total: 7 -- Over: (-115) | Under: (-105)

Mariners vs Blue Jays Probable Starting Pitchers

Probable Pitchers: George Kirby (Mariners) - 10-8, 4.21 ERA vs Shane Bieber (Blue Jays) - 4-2, 3.57 ERA

The Mariners will call on George Kirby (10-8, 4.21 ERA) against the Blue Jays and Shane Bieber (4-2, 3.57 ERA). Kirby's team is 10-13-0 against the spread this season in his starts. Kirby's team has a record of 10-9 this season when he starts and they are the favorite on the moneyline. The Blue Jays are 4-4-0 ATS in Bieber's eight starts with a set spread. The Blue Jays were the moneyline underdog for one Bieber start this season -- they lost.

Mariners vs Blue Jays Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (55.8%)

Mariners vs Blue Jays Moneyline

• The Mariners vs Blue Jays moneyline has Seattle as a -132 favorite, while Toronto is a +112 underdog on the road.

Mariners vs Blue Jays Spread

• The Blue Jays are at +1.5 on the runline against the Mariners. The Blue Jays are -184 to cover the spread, and the Mariners are +152.

Mariners vs Blue Jays Over/Under

• Mariners versus Blue Jays on Oct. 15 has an over/under of 7 runs, with the odds on the over -115 and the under set at -105.

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Mariners vs Blue Jays Betting Trends

• The Mariners have come away with 66 wins in the 112 contests they have been listed as the favorites in this season.
• Seattle has a record of 48-26 when favored by -132 or more this year.
• The Mariners and their opponents have gone over the total this season in 87 of their 163 opportunities.
• The Mariners have posted a record of 74-89-0 against the spread this season.
• The Blue Jays have a 43-34 record in games they were the underdog on the moneyline (winning 55.8% of those games).
• Toronto has a 17-16 record (winning 51.5% of its games) when it has played as a moneyline underdog of +112 or longer.
• The Blue Jays have had an over/under set by bookmakers 166 times, and have combined with opponents to go over the total in 90 of those games (90-70-6).
• The Blue Jays are 94-72-0 against the spread this season.

Mariners Player Leaders

• Cal Raleigh leads Seattle with 147 hits and an OBP of .359 this season. He has a .247 batting average and a slugging percentage of .589.
• Among the qualified hitters in MLB, his batting average ranks 98th, his on-base percentage ranks 20th, and he is third in slugging.
• 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 is 44th in batting average, 88th in on-base percentage and 38th in slugging in the major leagues.
• Rodriguez has picked up a hit in two games in a row. During his last five outings he is hitting .100 with a home run, five walks and three RBIs.
• Josh Naylor is batting .295 with a .462 slugging percentage and 92 RBI this year.
• Eugenio Suarez has been key for Seattle with 134 hits, an OBP of .298 plus a slugging percentage of .526.
• Suarez has safely hit in two games in a row. During his last five outings he is batting .190 with a double, a home run, two walks and an RBI.

Blue Jays Player Leaders

• Vladimir Guerrero Jr. has 34 doubles, 23 home runs and 81 walks while batting .292. He's slugging .467 with an on-base percentage of .381.
• Including all the qualified hitters in the majors, his batting average ranks 12th, his on-base percentage ranks sixth, and he is 41st in slugging.
• George Springer has racked up 153 hits with a .397 on-base percentage to lead his team in both. He has a batting average of .307 while slugging .556.
• His batting average is fourth among all qualified players, his on-base percentage ranks second, and he is fifth in slugging.
• Ernie Clement has 35 doubles, two triples, nine home runs and 27 walks while batting .277.
• Alejandro Kirk is hitting .282 with 18 doubles, 15 home runs and 48 walks.

Mariners vs Blue Jays Head to Head

• 10/13/2025: 10-3 SEA (Favorite: Blue Jays, Spread: -1.5, Total: 7, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 10/12/2025: 3-1 SEA (Favorite: Blue Jays, Spread: -1.5, Total: 8.5, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 5/11/2025: 9-1 TOR (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -184, Underdog Moneyline: +154)
• 5/10/2025: 6-3 TOR (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 5/9/2025: 6-3 TOR (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 4/20/2025: 8-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 4/19/2025: 8-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 4/18/2025: 3-1 TOR (Favorite: Blue Jays, Spread: -1.5, Total: 8, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 7/7/2024: 5-4 TOR (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 7/6/2024: 5-4 TOR (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -108, Underdog Moneyline: -108)

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