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

Odds updated as of 7:13 a.m.

The Seattle Mariners are among the MLB teams in action on Friday, versus the Minnesota Twins.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the vital info regarding 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 (+118) | MIN: +1.5 (-142)
• 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 probable pitchers are Bryce Miller (4-5) for the Mariners and Zebby Matthews (4-8) for the Twins. Miller's team is 1-9-0 against the spread this season in his starts. Miller's team has won 30% of his starts when they are favored on the moneyline (3-7). The Twins are 6-7-0 against the spread when Matthews starts. The Twins are 3-4 in Matthews' seven starts this season that they were the underdog on the moneyline.

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

• Minnesota is the underdog, +154 on the moneyline, while Seattle is a -184 favorite at home.

Mariners vs Twins Spread

• The Twins are +1.5 on the spread (-142 to cover), and Seattle is +118 to cover the runline.

Mariners vs Twins Over/Under

• An over/under of 7.5 has been set for Mariners-Twins on July 31, with the over being -124 and the under +102.

Bet on Seattle Mariners vs. Minnesota Twins on FanDuel today!

Mariners vs Twins Betting Trends

• The Mariners have won in 46, or 51.1%, of the 90 contests they have been named as odds-on favorites in this year.
• This season Seattle has been victorious seven times in nine chances when named as a favorite of at least -184 on the moneyline.
• The Mariners and their opponents have gone over in 53 of their 109 games with a total set by sportsbooks this season.
• The Mariners are 39-70-0 against the spread in their 109 games that had a posted line this season.
• The Twins have won 46.2% of the games this season they were the underdog on the moneyline (30-35).
• Minnesota has played as a moneyline underdog of +154 or longer in just one game this season, which it lost.
• The Twins have had an over/under set by bookmakers 108 times, and have combined with opponents to go over the total in 60 of those games (60-46-2).
• The Twins have covered 53.7% of their games this season, going 58-50-0 ATS.

Mariners Player Leaders

• Randy Arozarena leads Seattle with 106 hits and an OBP of .376, plus a team-best slugging percentage of .451. He's batting .283.
• Among qualifying hitters in MLB, his batting average ranks 25th, his on-base percentage ranks 14th, and he is 55th in slugging.
• Josh Naylor has hit eight homers this season while driving in 38 runs. He's batting .263 this season and slugging .360 with an on-base percentage of .324.
• Among all qualified, he is 58th in batting average, 81st in on-base percentage and 128th in slugging percentage.
• Naylor brings a five-game streak with at least one hit into this one. During his last five outings he is hitting .381 with two doubles and an RBI.
• Cole Young is batting .261 with a .409 slugging percentage and 49 RBI this year.
• Young brings a five-game hitting streak into this game. During his last five outings he is batting .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 put up a slugging percentage of .417, a team-best for the Twins. He's batting .244 with an on-base percentage of .302.
• Including all qualifying hitters in the majors, he ranks 95th in batting average, 122nd in on-base percentage and 86th in slugging percentage.
• 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.
• He is currently 95th in batting average, 126th in on-base percentage and 20th in slugging percentage among all qualifying hitters.
• Josh Bell has put up a slugging percentage of .407, a team-best for the Twins.
• Trevor Larnach is batting .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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