Mariners vs Mets Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 17

Odds updated as of 6:17 p.m.
In MLB action on Sunday, the Seattle Mariners face the New York Mets.
We've got you covered, in terms of the vital information regarding this game before you take a look at the MLB odds and spreads on FanDuel Sportsbook.
Mariners vs Mets Game Info
- Seattle Mariners (68-56) vs. New York Mets (65-58)
- Date: Sunday, August 17, 2025
- Time: 7:10 p.m. ET
- Venue: Muncy Bank Ballpark at Historic Bowman Field -- Williamsport, Pennsylvania
- Coverage: ESPN
Mariners vs Mets Odds & Moneyline
- All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
- Moneyline: SEA: (-126) | NYM: (+108)
- Spread: SEA: -1.5 (+132) | NYM: +1.5 (-160)
- Total: 8.5 -- Over: (-115) | Under: (-105)
Mariners vs Mets Probable Starting Pitchers
Probable Pitchers: George Kirby (Mariners) - 8-5, 3.71 ERA vs Clay Holmes (Mets) - 9-6, 3.71 ERA
The Mariners will give the nod to George Kirby (8-5, 3.71 ERA), who is eyeing win No. 9 on the season, and the Mets will turn to Clay Holmes (9-6, 3.71 ERA). Kirby's team is 6-8-0 against the spread in his starts this season. When Kirby starts a game and his team is the favorite on the moneyline, they have a record of 8-4. When Holmes starts, the Mets are 10-12-0 against the spread. The Mets have a 2-3 record in Holmes' five starts this season when they were the underdog on the moneyline.
Mariners vs Mets Prediction & Pick
All MLB win probability predictions and picks are according to numberFire.
Prediction: Mets win (51.7%)
Mariners vs Mets Moneyline
- The Mariners vs Mets moneyline has Seattle as a -126 favorite, while New York is a +108 underdog at home.
Mariners vs Mets Spread
- The Mariners are favored by 1.5 runs on the road versus the Mets. The Mariners are +132 to cover the spread, while the Mets are -160.
Mariners vs Mets Over/Under
- Mariners versus Mets on Aug. 17 has an over/under of 8.5 runs, with the odds on the over -115 and the under set at -105.
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Mariners vs Mets Betting Trends
- The Mariners have won in 47, or 56.6%, of the 83 contests they have been named as odds-on favorites in this year.
- Seattle has a record of 38-24 when favored by -126 or more this year.
- The Mariners and their opponents have gone over in 62 of their 120 games with a total set by sportsbooks this season.
- The Mariners are 52-68-0 against the spread in their 120 games with a line set by sportsbooks this season.
- The Mets have been the moneyline underdog 34 total times this season. They've finished 13-21 in those games.
- New York is 7-12 (winning just 36.8% of its games) when playing as a moneyline underdog of +108 or longer.
- The Mets have played in 117 games with a set over/under, and have combined with their opponents to go over the total 52 times (52-61-4).
- The Mets have collected a 55-62-0 record against the spread this season (covering 47% of the time).
Mariners Player Leaders
- Cal Raleigh has 113 hits and an OBP of .358, both of which rank first among Seattle hitters this season. He has a .250 batting average and a slugging percentage of .595.
- Among qualified hitters in MLB, his batting average ranks 100th, his on-base percentage ranks 27th, and he is third in slugging.
- Raleigh hopes to build on a two-game hitting streak in this matchup. In his last five games he is hitting .333 with two doubles, a home run, four walks and two RBIs.
- Josh Naylor is batting .289 with 22 doubles, a triple, 15 home runs and 42 walks. He's slugging .455 with an on-base percentage of .355.
- His batting average ranks 20th among qualified players, his on-base percentage 34th, and his slugging percentage 57th.
- Julio Rodriguez has hit 24 homers with a team-high .456 SLG this season.
- Eugenio Suarez has 38 home runs, 94 RBI and a batting average of .235 this season.
- Suarez takes a four-game hitting streak into this game. During his last five outings he is batting .222 with a double, a home run, a walk and two RBIs.
Mets Player Leaders
- Juan Soto a has .383 on-base percentage to lead the Mets. He's batting .252 while slugging .498.
- Including all the qualified hitters in the majors, he ranks 97th in batting average, eighth in on-base percentage and 23rd in slugging percentage.
- Soto enters this game on a nine-game hitting streak. During his last 10 outings he is batting .278 with five home runs, eight walks and eight RBIs.
- Pete Alonso has 124 hits to lead his team. He has a batting average of .268 while slugging .522 with an on-base percentage of .352.
- Including all qualified hitters, he is 50th in batting average, 41st in on-base percentage and 13th in slugging percentage.
- Francisco Lindor has a .451 slugging percentage, which leads the Mets.
- Brandon Nimmo has 23 doubles, 20 home runs and 42 walks while batting .253.
Mariners vs Mets Head to Head
- 8/16/2025: 3-1 NYM (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
- 8/15/2025: 11-9 SEA (Favorite: Mets, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
- 8/11/2024: 12-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -126, Underdog Moneyline: +108)
- 8/10/2024: 4-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
- 8/9/2024: 6-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +116)
- 9/3/2023: 6-3 NYM (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -158, Underdog Moneyline: +134)
- 9/2/2023: 8-7 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -162, Underdog Moneyline: +136)
- 9/1/2023: 2-1 NYM (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
- 5/15/2022: 8-7 SEA (Favorite: Mets, Spread: -1.5, Total: 7.5, Favorite Moneyline: -154, Underdog Moneyline: +130)
- 5/13/2022: 2-1 SEA (Favorite: Mets, Spread: -1.5, Total: 7, Favorite Moneyline: -245, Underdog Moneyline: +205)
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