Mariners vs Twins Prediction, Odds, Moneyline, Spread & Over/Under for July 31

Odds updated as of 4:12 a.m.

In MLB action on Friday, the Seattle Mariners face the Minnesota Twins.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important information about this game.

Mariners vs Twins Game Info

• Seattle Mariners (53-57) vs. Minnesota Twins (55-55)
• Date: Friday, July 31, 2026
• Time: 10:10 p.m. ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: Mariners.TV and Twins.TV

Mariners vs Twins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-184) | MIN: (+154)
• Spread: SEA: -1.5 (+115) | MIN: +1.5 (-138)
• Total: 7.5 -- Over: (-124) | Under: (+102)

Mariners vs Twins Probable Starting Pitchers

Probable Pitchers: Bryce Miller (Mariners) - 4-5, 2.75 ERA vs Zebby Matthews (Twins) - 4-8, 5.21 ERA

The Mariners will look to Bryce Miller (4-5) versus the Twins and Zebby Matthews (4-8). Miller's team is 1-9-0 against the spread in his starts this season. Miller's team has a record of 3-7 this season when he starts and they are the favorite on the moneyline. The Twins have gone 6-7-0 ATS in Matthews' 13 starts that had a set spread. The Twins have been the underdog on the moneyline in seven of Matthews' starts this season, and they went 3-4 in those matchups.

Mariners vs Twins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (60.9%)

Mariners vs Twins Moneyline

• Looking at the moneyline for Twins-Mariners, Minnesota is the underdog at +154, and Seattle is -184 playing at home.

Mariners vs Twins Spread

• The Mariners are hosting the Twins and are favored by 1.5 runs on the spread. The Mariners are +115 to cover the runline, with the Twins being -138.

Mariners vs Twins Over/Under

• A combined run total of 7.5 has been set for Mariners-Twins on July 31, with the over at -124 and the under at +102.

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Mariners vs Twins Betting Trends

• The Mariners have been chosen as favorites in 90 games this year and have walked away with the win 46 times (51.1%) in those games.
• Seattle has a record of 7-2 in contests when sportsbooks favor them by -184 or more on the moneyline.
• The Mariners and their opponents have hit the over in 53 of their 109 games with a total set by oddsmakers this season.
• The Mariners are 39-70-0 against the spread in their 109 games with a line set by sportsbooks this season.
• The Twins have won 30 of the 65 games they were the moneyline underdog this season (46.2%).
• Minnesota has played as a moneyline underdog of +154 or longer in just one game this season, which it lost.
• The Twins have played in 108 games with a set over/under, and have combined with opponents to go over the total 60 times (60-46-2).
• The Twins are 58-50-0 ATS this season.

Mariners Player Leaders

• Randy Arozarena has 106 hits and an OBP of .376 to go with a slugging percentage of .451. All three of those stats lead Seattle hitters this season. He has a .283 batting average, as well.
• Among all qualified hitters in MLB, his batting average ranks 25th, his on-base percentage ranks 14th, and he is 55th in slugging.
• Josh Naylor has an OPS of .684, fueled by an OBP of .324 and a team-best slugging percentage of .360 this season. He's batting .263.
• Among qualifying hitters, his batting average ranks him 58th, his on-base percentage 81st, and his slugging percentage 128th.
• Naylor heads into this game looking to extend his five-game hit streak. During his last five outings he is hitting .381 with two doubles and an RBI.
• Cole Young has collected 104 base hits, an OBP of .320 and a slugging percentage of .409 this season.
• Young has recorded a hit in five games in a row. In his last five games he is hitting .400 with two triples, two walks and an RBI.
• Julio Rodriguez has been key for Seattle with 98 hits, an OBP of .311 plus a slugging percentage of .415.

Twins Player Leaders

• Brooks Lee has accumulated a team-best .417 slugging percentage. He's batting .244 with an on-base percentage of .302.
• Including all qualifying players, he ranks 95th in batting average, while his on-base percentage is 122nd and he is 86th in slugging.
• Kody Clemens is batting .244 with 20 doubles, five triples, 19 home runs and 23 walks. He's slugging .493 with an on-base percentage of .300.
• Including all qualifying hitters, he ranks 95th in batting average, 126th in on-base percentage and 20th in slugging percentage.
• Josh Bell has racked up a slugging percentage of .407, a team-best for the Twins.
• Trevor Larnach is hitting .287 with 19 doubles, a triple, eight home runs and 37 walks.

Mariners vs Twins Head to Head

• 4/29/2026: 5-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 4/28/2026: 7-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 4/27/2026: 11-4 MIN (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 6/25/2025: 2-0 MIN (Favorite: Twins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 6/24/2025: 6-5 SEA (Favorite: Twins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 6/23/2025: 11-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 6/1/2025: 2-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 5/31/2025: 5-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 5/30/2025: 12-6 MIN (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 6/30/2024: 5-3 MIN (Favorite: Twins, Spread: -1.5, Total: 6.5, Favorite Moneyline: -112, Underdog Moneyline: -104)

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