Mariners vs Blue Jays Prediction, Odds, Moneyline, Spread & Over/Under for ALCS Game 5 on Oct. 17

Odds updated as of 5:13 p.m.

The Toronto Blue Jays will face the Seattle Mariners in Game 5 of the ALCS on Friday.

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

Blue Jays vs Mariners Game Info

• Toronto Blue Jays (94-68) vs. Seattle Mariners (90-72)
• Date: Friday, October 17, 2025
• Time: 6:08 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Fox Sports 1

Blue Jays vs Mariners Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TOR: (-112) | SEA: (-104)
• Spread: TOR: -1.5 (+160) | SEA: +1.5 (-194)
• Total: 7 -- Over: (-120) | Under: (-102)

Blue Jays vs Mariners Probable Starting Pitchers

Probable Pitchers: Kevin Gausman (Blue Jays) - 10-11, 3.59 ERA vs Bryce Miller (Mariners) - 4-6, 5.68 ERA

The Blue Jays will give the nod to Kevin Gausman (10-11, 3.59 ERA) versus the Mariners and Bryce Miller (4-6, 5.68 ERA). Gausman and his team are 16-18-0 ATS this season when he starts. Gausman's team has won 42.1% of his starts when they are favored on the moneyline (8-11). The Mariners have an 8-12-0 record against the spread in Miller's starts. The Mariners have been the underdog on the moneyline in eight of Miller's starts this season, and they went 3-5 in those matchups.

Blue Jays vs Mariners Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (50.2%)

Blue Jays vs Mariners Moneyline

• Toronto is the favorite, -112 on the moneyline, while Seattle is a -104 underdog despite being at home.

Blue Jays vs Mariners Spread

• The Mariners are +1.5 on the run line against the Blue Jays. The Mariners are -194 to cover, and the Blue Jays are +160.

Blue Jays vs Mariners Over/Under

• An over/under of 7 has been set for Blue Jays-Mariners on Oct. 17, with the over being -120 and the under -102.

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Blue Jays vs Mariners Betting Trends

• The Blue Jays have been chosen as favorites in 86 games this year and have walked away with the win 50 times (58.1%) in those games.
• Toronto has a record of 49-36 in contests when oddsmakers favor them by -112 or more on the moneyline.
• The Blue Jays and their opponents have gone over the total this season in 92 of their 168 opportunities.
• The Blue Jays are 96-72-0 against the spread in their 168 games that had a posted line this season.
• The Mariners have a 22-22 record in games they were the underdog on the moneyline (winning 50% of those games).
• In games it has played as a moneyline underdog with odds of -104 or longer, Seattle has a record of 22-19 (53.7%).
• In the 165 games oddsmakers have set an over/under for the Mariners, they have combined with opponents to go over the total 89 times (89-71-5).
• The Mariners have collected a 74-91-0 record ATS this season (covering 44.8% of the time).

Blue Jays Player Leaders

• Vladimir Guerrero Jr. is hitting .292 with 34 doubles, 23 home runs and 81 walks. He has an on-base percentage of .381 and a slugging percentage of .467.
• He is 12th in batting average, sixth in on-base percentage, and 41st in slugging among all qualified hitters in baseball.
• Guerrero hopes to build on a two-game hitting streak in this matchup. In his last five games he is batting .350 with two doubles, two home runs, three walks and three RBIs.
• George Springer has 153 hits and an OBP of .397, both of which lead the Blue Jays this season. He's batting .307 and slugging .556.
• His batting average ranks fourth among qualified players, his on-base percentage second, and his slugging percentage fifth.
• Springer takes a five-game streak with at least one hit into this one. In his last five games he is hitting .304 with three doubles, two home runs, a walk and four RBIs.
• Ernie Clement has collected 151 base hits, an OBP of .313 and a slugging percentage of .398 this season.
• Clement brings a three-game hitting streak into this game. In his last five games he is batting .350 with a double and an RBI.
• Alejandro Kirk has been key for Toronto with 127 hits, an OBP of .348 plus a slugging percentage of .421.

Mariners Player Leaders

• Cal Raleigh has a team-best OBP (.359), while leading the Mariners in hits (147). He's batting .247 and slugging.
• Including all qualified hitters in the big leagues, his batting average places him 98th, his on-base percentage ranks 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.
• He is 44th in batting average, 88th in on-base percentage and 38th in slugging percentage in the majors.
• Josh Naylor is batting .295 with 29 doubles, a triple, 20 home runs and 48 walks.
• Eugenio Suarez is batting .228 with 28 doubles, 49 home runs and 46 walks.

Blue Jays vs Mariners Head to Head

• 10/16/2025: 8-2 TOR (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 10/15/2025: 13-4 TOR (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 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)

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