Orioles vs Mariners Prediction 6/17/26 MLB Picks Today

In this article, we will formulate an Orioles vs Mariners Prediction for this MLB matchup on Wednesday, June 17^th in the third game of this series. Let’s take a look at the prediction for this MLB matchup.

Seattle Mariners Preview

The Seattle Mariners have a 38-36 record this season and are sitting in the 1st place of the AL West. They have a 20-16 home record and are coming off a 3-1 home win against the Orioles. They will face the Red Sox and the Pirates next.

The Mariners have a .237 batting average this season, .317 OBP and .395 Slugging percentage. Seattle’s pitching staff has a 3.65 ERA and 1.19 WHIP. Randy Arozarena is the team’s best hitter with a .291 batting average. Luke Raley leads the team in RBI with 35, adding a team-high 14 home runs.

George Kirby (R) is the projected starting pitcher for the Mariners, and he has a 5-6 record, 4.07 ERA and 1.31 WHIP.

Baltimore Orioles Preview

The Baltimore Orioles have a 34-40 record this season and are sitting in the 4th place of the AL East. They have a 12-21 road record and are coming off a 1-3 road defeat against the Mariners. They will face the Dodgers and the Angels next.

The Orioles have a .241 batting average this season, .322 OBP and .401 Slugging percentage. Baltimore’s pitching staff has a 4.57 ERA and 1.40 WHIP. Taylor Ward is the team’s best hitter with a .257 batting average. Pete Alonso leads the team in RBI with 48, adding a team-high 16 home runs.

Kyle Bradish (R) is the projected starting pitcher for the Orioles, and he has a 3-7 record, 4.30 ERA and 1.57 WHIP.

Baltimore Orioles @ Seattle Mariners Betting Trends: June 17, 2026

• Probable Starting Pitcher: George Kirby      Record this season: 5-6      ERA: 4.07
• Home Record: 3-3
• Last 5 against Orioles: 1-4

Why the Seattle Mariners will win

• The Orioles have lost each of their last 10 road games against teams that held a winning record.
• The Mariners have won seven of their last eight home games.
• The Orioles have failed to cover the run line each of their last 10 road games against teams that held a winning record.
• The home team has covered the run line in each of the last four games between the Orioles and Mariners.
• The Mariners have led after 5 innings in three of their last four night games at T-Mobile Park against American League opponents.
• The Mariners have led after 3 innings in six of their last seven home night games.

• Probable Starting Pitcher: Kyle Bradish      Record this season: 3-7      ERA: 4.30
• Road Record: 1-4
• Last 5 against Mariners: 1-0

Why the Baltimore Orioles will win

• The Mariners have lost each of their last nine Wednesday games against AL East opponents.
• The Orioles have won six of their last seven games as road underdogs against the Mariners.
• The Mariners have failed to cover the run line in each of their last eight games against the Orioles following a win.
• The underdogs have covered the run line in eight of the Orioles’ last nine games at T-Mobile Park.
• The Mariners have trailed after 3 innings in nine of their last 11 games as favorites against AL East opponents.
• The Mariners have lost the first inning in each of their last three home games against AL East opponents.
• The Mariners have trailed after 5 innings in three of their last four games as home favorites against AL East opponents.

Total Runs Facts

• Each of the Mariners’ last four games after playing the previous day have gone OVER the total runs line.
• Four of the Orioles’ last five road games after playing the previous day have gone OVER the total runs line.
• The ‘Inning 1 OVER 0.5 runs’ market has hit in 16 of the Mariners’ last 17 games as home favorites against American League opponents.
• The ‘Inning 1 UNDER 0.5 runs’ market has hit in each of the Orioles’ last eight Wednesday games against AL West opponents.

Seattle Mariners Player Prop Facts

• Cal Raleigh has hit a home run in four of the Mariners’ last five home games against AL East opponents that held a losing record.
• George Kirby has recorded a win in four of his last five home appearances against AL opponents that held a losing record.
• George Kirby has recorded seven or more strikeouts in five of his last six appearances in night games against AL teams that held a losing record.
• Julio Rodriguez has recorded at least one hit in each of the Mariners’ last 17 home games against AL opponents.

Baltimore Orioles Player Prop Facts

• Kyle Bradish has recorded six or more strikeouts in 12 of his last 14 road appearances against AL opponents.
• Jordan Westburg has hit a home run in two of his last three appearances.
• Jordan Westburg has recorded at least one hit in each of his last eight appearances with the Orioles as road underdogs against AL West opponents.
• Taylor Ward ranks 5th amongst qualified players for On Base Percentage (.402) this season.

Matchup/League Facts

• The Mariners rank 1st in the league for walks allowed this season (191).
• The Mariners rank 28th in the league for doubles this season (95).
• The Orioles rank 28th in the league for opponent batting average this season (.260).
• The Orioles rank 28th in the league for hits allowed this season (658).

Orioles vs Mariners Prediction

Both teams are tied 4-4 in their last 8 meetings and the Orioles have won two of their last three visits in Seattle.

In this Orioles vs Mariners Prediction, the Mariners are coming as -160 home favorites. Both pitchers have been struggling lately, with Bradish having given up 5 runs in each of his last two starts and having a 6.18 road ERA for the Orioles, while Kirby has given up 3+ runs across his last five starts and has been weaker at home. Both teams have been better against right-handed pitching, with 9.9 runs/9 combined, so I will go over the 7.5 in this one.