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

Odds updated as of 8:12 p.m.

MLB action on Sunday includes the Seattle Mariners facing the Toronto Blue Jays.

All the information you need to make smart bets on this game at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

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: (-138) | TOR: (+118)
• Spread: SEA: -1.5 (+126) | TOR: +1.5 (-152)
• Total: 8 -- Over: (-106) | Under: (-114)

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, 3.36 ERA), who is eyeing win No. 12 on the season, and the Blue Jays will turn to Max Scherzer (1-7, 7.02 ERA). Gilbert's team is 14-12-0 against the spread in his starts this season. Gilbert's team has a record of 13-6 this season when he starts and they are the favorite on the moneyline. When Scherzer starts, the Blue Jays have gone 3-9-0 against the spread. The Blue Jays have a 2-6 record in Scherzer's eight starts this season when they were the moneyline underdog.

Mariners vs Blue Jays Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (59.4%)

Mariners vs Blue Jays Moneyline

• Looking at the moneyline for Mariners-Blue Jays, Seattle is the favorite at -138, and Toronto is +118 playing at home.

Mariners vs Blue Jays Spread

• The Mariners are favored by 1.5 runs on the road versus the Blue Jays. The Mariners are +126 to cover the spread, while the Blue Jays are -152.

Mariners vs Blue Jays Over/Under

• The Mariners-Blue Jays game on Aug. 30 has been given an over/under of 8 runs. The over is set at -106 and the under at -114.

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Mariners vs Blue Jays Betting Trends

• The Mariners have been favorites in 102 games this season and have come away with the win 52 times (51%) in those contests.
• Seattle has a record of 30-17 when favored by -138 or more this year.
• 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 won 41.3% of the games this season they were the underdog on the moneyline (26-37).
• Toronto has an 11-15 record (winning 42.3% of its games) when playing as a moneyline underdog of +118 or longer.
• The Blue Jays have combined with opponents to go over the total 68 times this season for a 68-63-2 record against the over/under.
• The Blue Jays have put together a 65-68-0 record 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 qualified hitters in baseball, his batting average ranks 42nd, his on-base percentage ranks 17th, and he is 39th in slugging.
• Josh Naylor has hit 10 homers this season while driving in 47 runs. He's batting .271 this season and slugging .369 with an on-base percentage of .331.
• Among qualified hitters, he is 42nd in batting average, 71st in on-base percentage and 117th in slugging percentage.
• Cole Young has collected 122 base hits, an OBP of .307 and a slugging percentage of .389 this season.
• Julio Rodriguez has 20 home runs, 56 RBI and a batting average of .246 this season.

Blue Jays Player Leaders

• Ernie Clement has 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 qualifying hitters in MLB, his batting average puts him 29th, his on-base percentage ranks 115th, and he is 96th in slugging.
• Vladimir Guerrero Jr. has a .332 on-base percentage to pace his team. He has a batting average of .258 while slugging .350.
• He is currently 62nd in batting average, 69th in on-base percentage and 129th in slugging percentage among all qualified hitters.
• Kazuma Okamoto has collected 111 hits, a team-high 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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