Mariners vs Orioles Prediction, Odds, Moneyline, Spread & Over/Under for June 8

Odds updated as of 1:11 a.m.

The Seattle Mariners are among the MLB squads busy on Monday, versus the Baltimore Orioles.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's what you need to know.

Mariners vs Orioles Game Info

• Seattle Mariners (34-32) vs. Baltimore Orioles (31-35)
• Date: Monday, June 8, 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: (-126) | BAL: (+108)
• Spread: SEA: -1.5 (+132) | BAL: +1.5 (-160)
• Total: 8.5 -- Over: (-128) | Under: (+104)

Mariners vs Orioles Probable Starting Pitchers

Probable Pitchers: Emerson Hancock (Mariners) - 4-2, 2.80 ERA vs Chris Bassitt (Orioles) - 4-4, 5.27 ERA

The Mariners will give the nod to Emerson Hancock (4-2) versus the Orioles and Chris Bassitt (4-4). Hancock and his team have a record of 4-8-0 against the spread when he starts. Hancock's team has a record of 6-4 this season when he starts and they are the favorite on the moneyline. The Orioles have a 5-5-0 record against the spread in Bassitt's starts. The Orioles have a 4-2 record in Bassitt's six starts this season when they were the moneyline underdog.

Mariners vs Orioles Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (60.3%)

Mariners vs Orioles Moneyline

• Seattle is the favorite, -126 on the moneyline, while Baltimore is a +108 underdog despite being at home.

Mariners vs Orioles Spread

• The Mariners are favored by 1.5 runs on the road versus the Orioles. The Mariners are +132 to cover the spread, while the Orioles are -160.

Mariners vs Orioles Over/Under

• Mariners versus Orioles, on June 8, has an over/under of 8.5, with the over being -128 and the under +104.

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

Mariners vs Orioles Betting Trends

• The Mariners have been victorious in 32, or 53.3%, of the 60 contests they have been chosen as favorites in this season.
• Seattle has a record of 27-21 in contests when sportsbooks favor them by -126 or more on the moneyline.
• The Mariners and their opponents have gone over the total this season in 31 of their 66 opportunities.
• The Mariners have an against the spread record of 25-41-0 in 66 games with a line this season.
• The Orioles have won 14 of the 32 games they were the underdog on the moneyline this season (43.8%).
• When it has played as a moneyline underdog with odds of +108 or longer, Baltimore has an 8-10 record (winning 44.4% of its games).
• The Orioles have played in 66 games with an over/under set, and have combined with their opponents to go over the total 39 times (39-26-1).
• The Orioles have a 31-35-0 record against the spread this season.

Mariners Player Leaders

• Randy Arozarena leads Seattle OPS (.818) this season. He has a .285 batting average, an on-base percentage of .376, and a slugging percentage of .442.
• Among all qualified batters, he ranks 27th in batting average, his on-base percentage ranks 22nd, and he is 63rd in slugging.
• Arozarena has hit safely in three games in a row. In his last five games he is hitting .278 with two doubles, four walks and three RBIs.
• Julio Rodriguez has 69 hits to go with a slugging percentage of .457, both of which lead Seattle hitters this season. He's batting .258 with an on-base percentage of .316.
• His batting average is 65th among qualified players, his on-base percentage 110th, and his slugging percentage 48th.
• Rodriguez has picked up a hit in three games in a row. In his last five games he is batting .250 with a double, a home run, three walks and two RBIs.
• Josh Naylor has 62 hits this season and has a slash line of .257/.321/.361.
• Naylor enters this matchup with three games in a row with at least one hit. In his last five games he is hitting .300 with two doubles, a home run, a walk and two RBIs.
• J.P. Crawford is batting .228 with a .356 OBP and 23 RBI for Seattle this season.
• Crawford brings a two-game hitting streak into this matchup. During his last five outings he is batting .333 with a double, a home run, four walks and an RBI.

Orioles Player Leaders

• Pete Alonso has a .446 slugging percentage, which leads the Orioles. He's batting .243 with an on-base percentage of .324.
• Including all qualifying hitters, he is 95th in batting average, while his on-base percentage is 98th and he is 57th in slugging.
• Adley Rutschman has 48 hits to lead his team. He has a batting average of .267 while slugging .489 with an on-base percentage of .343.
• Including all qualified players, he ranks 53rd in batting average, 64th in on-base percentage and 31st in slugging percentage.
• Taylor Ward has put up an on-base percentage of .396 and a slugging percentage of .360. Both lead the Orioles.
• Gunnar Henderson paces his team with a .418 slugging percentage.

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