Seattle Mariners vs. Baltimore Orioles: Game Preview, Odds, Pitching Matchup for August 12, 2025

Tuesday, August 12th, 2025

Seattle Mariners vs. Baltimore Orioles Preview: AL West Meets AL East at Camden Yards

The Seattle Mariners (66-53, second in the AL West) travel to Oriole Park at Camden Yards to face the Baltimore Orioles (53-65, fifth in the AL East) on Tuesday at 6:35 p.m. EDT. This matchup marks the start of a three-game series between two clubs looking to make a statement as the regular season heads toward the home stretch.

Pitching Matchup

On the mound for Seattle will be George Kirby (7-5, 4.04 ERA, 1.13 WHIP, 83 strikeouts), while Baltimore counters with Dean Kremer (8-8, 4.35 ERA, 1.28 WHIP, 110 strikeouts). The Mariners enter as favorites (-165), with the Orioles at (+138). The over/under is set at 9 1/2 runs, suggesting an exciting contest with plenty of potential offense.

Weather

Today at Oriole Park at Camden Yards, expect warm conditions with a high near 87°F under mostly sunny skies. There is little chance of precipitation, and winds will be light out of the southwest at 6-10 mph—ideal weather for baseball with no anticipated weather delays.

Team Breakdown

Baltimore enters the series 53-65 overall and 28-29 at home. When the Orioles out-hit their opponents, they're formidable, posting a strong 35-11 mark in those matchups. However, the team is hoping to improve on their recent 3-7 record over their last ten outings. Offensively, they’ve been struggling with a .186 batting average and have been outscored by 22 runs in that stretch.

The Mariners bring a more positive trend into Baltimore, boasting a 29-28 road record and sitting second in the AL West at 66-53 overall. Seattle has won nine of its last ten games, with a respectable .231 team batting average and a dominant 2.97 ERA—outscoring opponents by 21 runs in the same span. The Mariners’ team batting average of .243 ranks ninth in the American League, showing depth and consistency throughout their lineup.

Top Performers

For the Orioles, Adley Rutschman has been a standout, collecting 16 doubles, a triple, and nine home runs this season. Tyler O'Neill has found his power stroke recently, hitting four home runs in his last 22 at-bats over the team's previous ten games.

Seattle features Cal Raleigh, who has racked up 16 doubles and 45 home runs. Julio Rodriguez is heating up as well, going 11 for 42 with a double and four home runs over his last ten games, making him a key figure to watch in this matchup.

Series History

This contest marks the fourth meeting between the Mariners and Orioles this season, with both teams looking to gain an edge in the season series.

Injury Report

The Orioles are dealing with several injuries: Tyler O'Neill (wrist), Colton Cowser (head), Zach Eflin (back), Colin Selby (hamstring), Felix Bautista (shoulder), Maverick Handley (head), Scott Blewett (elbow), Jorge Mateo (elbow), Gary Sanchez (knee), Cody Poteet (shoulder), Grayson Rodriguez (elbow), Albert Suarez (shoulder), Tyler Wells (elbow), and Kyle Bradish (elbow) are all sidelined on various injured lists.

The Mariners have their own injury concerns: Trent Thornton (achilles), Luke Raley (back), Bryce Miller (elbow), Gregory Santos (knee), Victor Robles (shoulder), and Ryan Bliss (biceps) are all listed on the injured list.

In summary

The Seattle Mariners and Baltimore Orioles open a crucial three-game series at Camden Yards with solid pitching matchups between George Kirby and Dean Kremer. Seattle is riding a wave of recent success, while Baltimore aims to bounce back from a tough stretch. With ideal weather conditions expected, key performers like Adley Rutschman and Julio Rodriguez will look to make an impact as both teams battle for positioning in their respective divisions.

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