Mariners vs Orioles Prediction, Odds, Moneyline, Spread & Over/Under for June 9

Odds updated as of 7:12 a.m.

The MLB's Tuesday slate includes the Seattle Mariners facing the Baltimore Orioles.

We've got you covered, in terms of the vital information regarding this matchup before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Mariners vs Orioles Game Info

• Seattle Mariners (35-32) vs. Baltimore Orioles (31-36)
• Date: Tuesday, June 9, 2026
• Time: 6:35 p.m. ET
• Venue: Oriole Park at Camden Yards -- Baltimore, Maryland
• Coverage: MASN and Mariners.TV

Mariners vs Orioles Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-120) | BAL: (+102)
• Spread: SEA: -1.5 (+138) | BAL: +1.5 (-170)
• Total: 8.5 -- Over: (-122) | Under: (+100)

Mariners vs Orioles Probable Starting Pitchers

Probable Pitchers: Logan Gilbert (Mariners) - 4-4, 3.79 ERA vs Trevor Rogers (Orioles) - 3-6, 6.29 ERA

This contest's pitching matchup is set, as the Mariners will send Logan Gilbert (4-4) to the mound, while Trevor Rogers (3-6) will answer the bell for the Orioles. Gilbert's team is 5-8-0 against the spread in his starts this season. Gilbert's team has a record of 7-4 this season when he starts and they are the favorite on the moneyline. The Orioles have gone 3-8-0 against the spread when Rogers starts. The Orioles are 1-3 in Rogers' four starts this season that they were the moneyline underdog.

Mariners vs Orioles Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (62.2%)

Mariners vs Orioles Moneyline

• Looking at the moneyline for Orioles-Mariners, Baltimore is the underdog at +102, and Seattle is -120 playing on the road.

Mariners vs Orioles Spread

• The Orioles are at +1.5 on the runline against the Mariners. The Orioles are -170 to cover the spread, and the Mariners are +138.

Mariners vs Orioles Over/Under

• Mariners versus Orioles, on June 9, has an over/under of 8.5, with the over being -122 and the under +100.

Bet on Seattle Mariners vs. Baltimore Orioles on FanDuel today!

Mariners vs Orioles Betting Trends

• The Mariners have been chosen as favorites in 61 games this year and have walked away with the win 33 times (54.1%) in those games.
• Seattle has a record of 30-24 when favored by -120 or more this year.
• The Mariners' games have gone over the total in 31 of their 67 opportunities.
• The Mariners have posted a record of 26-41-0 against the spread this season.
• The Orioles have compiled a 14-19 record in games they were the underdog on the moneyline (winning 42.4% of those games).
• When playing as a moneyline underdog with odds of +102 or longer, Baltimore has a 10-14 record (winning 41.7% of its games).
• The Orioles have played in 67 games with an over/under set, and have combined with their opponents to go over the total 39 times (39-26-2).
• The Orioles have a 31-36-0 record ATS this season (covering 46.3% of the time).

Mariners Player Leaders

• Randy Arozarena leads Seattle OPS (.828) this season. He has a .293 batting average, an on-base percentage of .381, and a slugging percentage of .447.
• Among qualified hitters, he ranks 19th in batting average, his on-base percentage ranks 18th, and he is 59th in slugging.
• Arozarena hopes to build on a four-game hitting streak in this matchup. During his last five outings he is hitting .412 with two doubles, four walks and four RBIs.
• Julio Rodriguez leads Seattle with 69 hits. He is batting .256 this season and has 27 extra-base hits. He's also slugging .452 with an on-base percentage of .315.
• Among qualifying batters, he is 70th in batting average, 109th in on-base percentage and 55th in slugging percentage.
• Josh Naylor has collected 64 base hits, an OBP of .323 and a slugging percentage of .376 this season.
• Naylor brings a four-game hitting streak into this game. During his last five outings he is hitting .333 with two doubles, a home run, a walk and five RBIs.
• Cole Young has four home runs, 31 RBI and a batting average of .252 this season.
• Young takes an 11-game hitting streak into this matchup. During his last 10 outings he is hitting .300 with a home run, a walk and four RBIs.

Orioles Player Leaders

• Pete Alonso has 61 hits, a team-best for the Orioles. He's batting .239 and slugging .439 with an on-base percentage of .318.
• Including all the qualifying hitters in MLB, his batting average is 99th, his on-base percentage is 105th, and he is 65th in slugging.
• Taylor Ward has a .403 OBP while slugging .364. Both pace his team. He has a batting average of .260.
• His batting average ranks 65th among all qualified players, his on-base percentage ranks fifth, and he is 124th in slugging.
• Adley Rutschman is batting .267 with 14 doubles, a triple, eight home runs and 21 walks.
• Gunnar Henderson is batting .224 with 13 doubles, a triple, 13 home runs and 22 walks.

Mariners vs Orioles Head to Head

• 6/8/2026: 6-3 SEA (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 8/14/2025: 5-3 BAL (Favorite: Mariners, Spread: -1.5, Total: 9.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 8/12/2025: 1-0 SEA (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 6/5/2025: 4-3 BAL (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -156, Underdog Moneyline: +132)
• 6/4/2025: 3-2 BAL (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 6/3/2025: 5-1 BAL (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 7/4/2024: 7-3 SEA (Favorite: Orioles, Spread: -1.5, Total: 7, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 7/3/2024: 4-1 BAL (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 7/2/2024: 2-0 BAL (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 5/19/2024: 6-3 BAL (Favorite: Orioles, Spread: -1.5, Total: 7, Favorite Moneyline: -144, Underdog Moneyline: +122)

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