Mariners vs. Orioles Betting Lines, Odds, & Player Matchups June 18, 2026

Data Skrive

The Baltimore Orioles (34-40) will aim to break a three-game losing streak when they visit the Seattle Mariners (38-36) on Thursday at 4:10 p.m. ET. The Orioles (+111) are not expected to end the streak against the Mariners (-135). Seattle’s Bryan Woo and Baltimore’s Shane Baz pitch first for their squads in this matchup.

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Moneyline

Mariners to win vs Orioles -135

Bet $20, Payout $34.81

Mariners vs. Orioles betting lines

  • Favorite: Mariners (-135)
  • Underdog: Orioles (+111)
  • Over/under: 7.5

Mariners betting info, hitting leaders, & pitching

Mariners betting info

  • The Mariners have won 36 of the 67 games they were listed as the moneyline favorite this season (53.7%).
  • Seattle has a 25-16 record (winning 61% of its games) when playing as moneyline favorites of -135 or shorter.
  • Based on this matchup’s moneyline, the Mariners’ implied win probability is 57.4%.
  • Seattle has played in 74 games with a set over/under, and have combined with its opponents to go over the total 36 times (36-35-3).
  • The Mariners are 28-46-0 against the spread this season.

Mariners hitting info

  • Julio Rodriguez has collected a team-high 35 runs batted in.
  • In MLB, Rodriguez ranks 39th in home runs and 71st in RBI.
  • Josh Naylor is batting .253 with eight doubles, eight home runs and 23 walks.
  • Naylor currently ranks 98th in homers and 96th in RBI in the majors.
  • J.P. Crawford is batting .231 with five doubles, 10 home runs and 36 walks.
  • Crawford has hit safely in three straight games. In his last five games he is hitting .385 with a double, a home run, five walks and an RBI.
  • Dominic Canzone is batting .287 with 12 doubles, a triple, 10 home runs and 16 walks.
  • Canzone enters this matchup on a six-game hitting streak. In his last 10 games he is hitting .400 with two doubles, a triple, three home runs, three walks and six RBIs.

Mariners pitching rankings

  • The Mariners pitching staff is 11th in MLB with a collective 8.7 strikeouts per nine innings.
  • Seattle’s 3.66 team ERA ranks fifth among all MLB pitching staffs.
  • The Mariners have the fourth-lowest WHIP in baseball (1.193).
  • Mariners pitchers combine to surrender 72 home runs (1.0 per game), the sixth-fewest in MLB.
  • Seattle took down the Orioles 3-1 in its last game with 12 strikeouts while allowing three hits.

Orioles betting info, hitting leaders, & pitching

Orioles betting info

  • The Orioles have won 16, or 42.1%, of the 38 games they’ve played as underdogs this season.
  • Baltimore has a record of 7-11, a 38.9% win rate, when it’s set as an underdog of +111 or more by bookmakers this season.
  • The moneyline for this contest implies a 47.4% chance of a victory for the Orioles.
  • So far this season, Baltimore and its opponents have hit the over in 43 of its 74 games with a total.
  • In 74 games with a spread this season, the Orioles are 35-39-0 ATS.

Orioles hitting info

  • Pete Alonso leads Baltimore in home runs with 16 and runs batted in with 48.
  • In all of Major League Baseball, Alonso is 17th in homers and 13th in RBI.
  • Taylor Ward is batting .257 to lead Baltimore, while adding three homers and 20 runs batted in this season.
  • Ward currently is 242nd in home runs and 204th in RBI in the big leagues.
  • Ward brings a two-game hitting streak into this game. In his last five games he is batting .211 with a double and three walks.
  • Adley Rutschman is slashing .264/.341/.477 this season for the Orioles.
  • Gunnar Henderson is batting .224 with an OBP of .293 and a slugging percentage of .413 this season.

Orioles pitching rankings

  • The Orioles average just 8.7 strikeouts per nine innings as a pitching staff, which ranks 27th in the majors.
  • Baltimore has the 23rd-ranked ERA (4.58) in the majors this season.
  • Orioles pitchers have a 1.406 WHIP this season, 25th in the majors.
  • With 86 homers allowed, the Orioles rank 21st in the league at preventing long balls.
  • Baltimore pitchers struck out two Mariners hitters while allowing six base hits in a 3-1 loss its last time out.
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Ryan Knuppel

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Betting Guide

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Moneyline betting is by far the easiest way to place a sports wager. There are no point spreads to parse, no garbage-time free throws to ruin your betting day, and no last-minute meaningless touchdowns to take you from a winner to a loser.

How to Bet Odds

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If you are a golfer or have ever played on a bowling team, think of a point spread like a handicap. It is a way for two teams of differing abilities to play each other on equal footing.  The better team, and the favorite in the game, gives a certain amount …