Introduction

Seattle Mariners’ five-game winning streak and 5.6 runs per game over that stretch set a decisive tone for this MLB prediction against a Baltimore team struggling to generate offense. The Mariners’ balanced attack has been efficient on the road, while the Orioles’ recent 2.6 RPG output underscores their inability to keep pace against high-functioning lineups. With contrasting trajectories and clear statistical separation, the matchup points firmly toward Seattle controlling tempo and run prevention, keeping overall scoring in check.

Game Time

The action begins at Tuesday, August 12 at 06:35 PM ET inside Camden Yards, aggressive lineups find extra bases.

Odds & Spread Line

• Seattle Mariners: -161
• Baltimore Orioles: +135

Total: 9

• Run Line — Seattle Mariners: -1.5 (+100)
• Run Line — Baltimore Orioles: +1.5 (-120)

Latest Team Records

Seattle Mariners: 66-53 (Win %: 0.555)
Baltimore Orioles: 53-65 (Win %: 0.449)

Injury Report

The Seattle Mariners are currently healthy with no major injury concerns.

Baltimore Orioles are missing Albert Suarez (Shoulder), listed as 60-Day-IL; Maverick Handley (Wrist), listed as 10-Day-IL.

Key Player Stats

Seattle Mariners

• Cal Raleigh: 0.247 AVG, 45 HR, 98 RBI
• Eugenio Suarez: 0.235 AVG, 37 HR, 92 RBI
• Josh Naylor: 0.292 AVG, 15 HR, 66 RBI

Baltimore Orioles

• Gunnar Henderson: 0.284 AVG, 14 HR, 50 RBI
• Jackson Holliday: 0.251 AVG, 14 HR, 44 RBI
• Jordan Westburg: 0.266 AVG, 14 HR, 29 RBI

Team Analysis

Seattle Mariners

The Mariners enter this contest with a commanding 5-0 record in their last 5 games and 9-1 over their last 10, producing 5.6 RPG recently. That surge reflects a lineup executing consistently, with Cal Raleigh and Eugenio Suarez anchoring the power game and forcing opposing pitchers into high-stress counts. Their 29-28 road record shows they can translate production away from home, making them a formidable betting side when their offense is locked in.

Josh Naylor’s contact skills complement the power bats, sustaining innings and boosting run expectancy. Combined with a pitching staff supporting a sub-4 ERA, Seattle has been suppressing opponent scoring while maintaining offensive pressure. This balance has been the catalyst for their sustained winning form and positions them strongly to dictate pace against Baltimore Orioles’ low-output attack.

• Batting Average: 0.243
• Total Runs Scored: 547
• Home Runs: 171
• OPS: 0.732
• ERA: 3.81
• WHIP: 1.23

Away Record: 29-28 • Home Record: 37-25
Last 5 Games: 5-0 (5.6 RPG)
Last 10 Games: 9-1 (5.5 RPG)

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Baltimore Orioles

The Orioles have stumbled to a 2-3 mark in their last 5 games and 3-7 over their last 10, averaging just 2.6 RPG recently. That level of production signals an offense lacking rhythm, even with Gunnar Henderson delivering respectable power numbers. Their 28-29 home record reinforces the inconsistency, leaving them vulnerable against a Seattle team arriving with superior form.

Jackson Holliday and Jordan Westburg have offered occasional sparks, but the inability to string hits together has resulted in low run totals. Facing a Mariners staff that has been effective at run prevention, Baltimore Orioles’ current offensive profile suggests continued challenges in breaking through, further tilting the matchup toward a low-scoring outcome in Seattle Mariners’ favor.

• Batting Average: 0.24
• Total Runs Scored: 505
• Home Runs: 144
• OPS: 0.71
• ERA: 4.85
• WHIP: 1.41

Away Record: 25-36 • Home Record: 28-29
Last 5 Games: 2-3 (2.6 RPG)
Last 10 Games: 3-7 (3.1 RPG)

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Head-to-Head History

Baltimore Orioles lead 3–0 (Last 3 games)

• June 05, 2025: BAL 4 @ SEA 3
• June 04, 2025: BAL 3 @ SEA 2
• June 03, 2025: BAL 5 @ SEA 1

Over/Under Trends

Seattle Mariners’ last 10 games have averaged 8.9 total runs, with 4 games that would have cleared today’s total of 9.0.

Baltimore Orioles’ last 10 games have averaged 8.4 combined runs, with 3 games clearing the same number of 9.0.

Moneyline Betting Prediction

Seattle Mariners’ dominant 9-1 stretch and proven road competence give them a decisive edge over a Baltimore squad averaging just 2.6 RPG in their last five. With Raleigh, Suarez, and Naylor driving a balanced offense, and a pitching staff equipped to neutralize the Orioles’ limited threats, the Mariners have the matchup control to extend their winning run. This is a form-driven spot favoring the visitors to outclass their opponent from first pitch to final out.

The Seattle Mariners are the sharp side on form and splits.

Over/Under Prediction

In their last five, the Baltimore Orioles have produced 2.6 RPG and the Seattle Mariners 5.6. That output frames how this total sets up.

These teams are combining for 8.2 runs per game recently — below the posted total of 9.0. That leans to a Under 9.0.

Bookmakers

Shop the odds at: FanDuel, Caesars, BetOnline.ag, LowVig.ag, DraftKings, MyBookie.ag, BetUS, Bovada, BetMGM, Fanatics, BetRivers.

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