Mariners vs Blue Jays Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 30

Odds updated as of 1:12 p.m.

The Sunday slate in MLB includes a matchup between the Seattle Mariners and the Toronto Blue Jays.

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 (64-72) vs. Toronto Blue Jays (67-70)
• Date: Sunday, August 30, 2026
• Time: 1:37 p.m. ET
• Venue: Rogers Centre -- Toronto, Ontario
• Coverage: SNET and Mariners.TV

Mariners vs Blue Jays Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-132) | TOR: (+122)
• Spread: SEA: -1.5 (+122) | TOR: +1.5 (-146)
• Total: 8 -- Over: (-105) | Under: (-115)

Mariners vs Blue Jays Probable Starting Pitchers

Probable Pitchers: Logan Gilbert (Mariners) - 11-7, 3.36 ERA vs Max Scherzer (Blue Jays) - 1-7, 7.02 ERA

The Mariners will give the nod to Logan Gilbert (11-7) versus the Blue Jays and Max Scherzer (1-7). When Gilbert starts, his team is 14-12-0 against the spread this season. Gilbert's team is 13-6 this season when he starts and they are the moneyline favorite. The Blue Jays have a 3-9-0 ATS record in Scherzer's 12 starts that had a set spread. The Blue Jays are 2-6 in Scherzer's eight starts this season that they were the underdog on the moneyline.

Mariners vs Blue Jays Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (63.2%)

Mariners vs Blue Jays Moneyline

• Looking at the moneyline for Mariners-Blue Jays, Seattle is the favorite at -132, and Toronto is +122 playing at home.

Mariners vs Blue Jays Spread

• The Mariners are at the Blue Jays and are favored by 1.5 runs (+122 to cover) on the runline. Toronto is -146 to cover.

Mariners vs Blue Jays Over/Under

• The over/under for the Mariners versus Blue Jays contest on Aug. 30 has been set at 8, with -105 odds on the over and -115 odds on the under.

Bet on Seattle Mariners vs. Toronto Blue Jays on FanDuel today!

Mariners vs Blue Jays Betting Trends

• The Mariners have come away with 52 wins in the 102 contests they have been listed as the favorites in this season.
• Seattle has a record of 39-26 in contests when sportsbooks favor them by -132 or more on the moneyline.
• The Mariners' games have gone over the total in 68 of their 134 opportunities.
• The Mariners have an against the spread mark of 49-85-0 in 134 games with a line this season.
• The Blue Jays have been the moneyline underdog 63 total times this season. They've finished 26-37 in those games.
• Toronto has a 10-12 record (winning 45.5% of its games) when playing as a moneyline underdog of +122 or longer.
• The Blue Jays have played in 133 games with an over/under set, and have combined with opponents to go over the total 68 times (68-63-2).
• The Blue Jays have gone 65-68-0 against the spread this season.

Mariners Player Leaders

• Randy Arozarena has 128 hits and an OBP of .370, both of which are best among Seattle hitters this season. He has a .271 batting average and a slugging percentage of .457.
• Among qualifying hitters in baseball, he ranks 40th in batting average, 17th in on-base percentage, and 39th in slugging.
• Josh Naylor has an OPS of .699, fueled by an OBP of .331 and a team-best slugging percentage of .369 this season. He's batting .271.
• He ranks 40th in batting average, 73rd in on-base percentage and 117th in slugging among qualified hitters.
• Cole Young has 122 hits this season and has a slash line of .247/.307/.389.
• Julio Rodriguez is batting .246 with a .308 OBP and 56 RBI for Seattle this season.

Blue Jays Player Leaders

• Ernie Clement has accumulated a slugging percentage of .391, a team-best for the Blue Jays. He's batting .277 with an on-base percentage of .301.
• Including all the qualified hitters in the majors, his batting average ranks 29th, his on-base percentage is 116th, and he is 97th in slugging.
• Vladimir Guerrero Jr.'s .332 OBP leads his team. He has a batting average of .258 while slugging .350.
• His batting average is 63rd among all qualified players, his on-base percentage is 69th, and he is 129th in slugging.
• Kazuma Okamoto has accumulated 111 hits, a team-best for the Blue Jays.
• George Springer is batting .251 with 18 doubles, two triples, 14 home runs and 42 walks.

Mariners vs Blue Jays Head to Head

• 8/28/2026: 8-1 TOR (Favorite: Blue Jays, Spread: -1.5, Total: 6.5, Favorite Moneyline: -140, Underdog Moneyline: +130)
• 7/5/2026: 4-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -118, Underdog Moneyline: +100)
• 7/4/2026: 11-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 7/3/2026: 2-0 TOR (Favorite: Blue Jays, Spread: -1.5, Total: 7, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 10/20/2025: 4-3 TOR (Favorite: Blue Jays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 10/19/2025: 6-2 TOR (Favorite: Blue Jays, Spread: -1.5, Total: 7.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 10/17/2025: 6-2 SEA (Favorite: Blue Jays, Spread: -1.5, Total: 7, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 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)

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