Its Tuesday, August 12 and the Mariners (66-53) are in Baltimore to open a series against the Orioles (53-65).
George Kirby is slated to take the mound for Seattle against Dean Kremer for Baltimore.
Only the Milwaukee Brewers are hotter than the Seattle Mariners. Winners of their last seven games, Seattle has pulled atop the Wild Card standings and within one game of the AMerican League West-leading Houston Astros.
With just three wins in their last ten games, the Orioles sit comfortably in last place in the American League East. Only the Athletics (637), the Nationals (648), and the Rockies (768) have surrendered more runs this season than the O’s.
Lets dive into the series opener and find a sweat or two.
We’ve got all the info and analysis you need to know ahead of the game, including the latest info on the how to catch tipoff, odds, recent team performance, player stats, and of course, our predictions, picks & best bets for the game from our modeling tools and staff of experts.
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Game details & how to watch Mariners at Orioles
- Date: Tuesday, August 12, 2025
- Time: 6:35PM EST
- Site: Oriole Park at Camden Yards
- City: Baltimore, MD
- Network/Streaming: RSNW, MASN
Never miss a second of the action and stay up-to-date with all the latest team stats and player news. Check out our day-by-day MLB schedule page, along with detailed matchup pages that update live in-game with every out.
Odds for the Mariners at the Orioles
The latest odds as of Tuesday:
- Moneyline: Mariners (-155), Orioles (+130)
- Spread: Mariners -1.5
- Total: 9.0 runs
Probable starting pitchers for Mariners at Orioles
- Pitching matchup for August 12, 2025: George Kirby vs. Dean Kremer
- Mariners: George Kirby (7-5, 4.04 ERA)
Last outing: August 6 vs. White Sox – 3.00 ERA, 2 Earned Runs Allowed, 5 Hits Allowed, 2 Walks, and 9 Strikeouts - Orioles: Dean Kremer (8-8, 4.35 ERA)
Last outing: August 5 at Philadelphia – 6.00 ERA, 4 Earned Runs Allowed, 8 Hits Allowed, 1 Walks, and 6 Strikeouts
- Mariners: George Kirby (7-5, 4.04 ERA)
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Top betting trends & insights to know ahead of Mariners at Orioles
- The Mariners are riding a 7-game winning streak
- Each of the last 3 games between the Mariners and the Orioles have stayed under the Total
- The Orioles have covered the Run Line in 9 of their last 11 games against the Mariners
- Cal Raleigh has homered in three straight games
- Randy Arozarena is riding a modest 4-game hitting streak (6-17)
If you’re looking for more key trends and stats around the spread, moneyline and total for every single game on the schedule today, check out our MLB Top Trends tool on NBC Sports!
Expert picks & predictions for tonight’s game between the Mariners and the Orioles
Rotoworld Best Bet
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Our model calculates projections around each moneyline, spread and over/under bet for every game on the MLB calendar based on data points like past performance, player matchups, ballpark information and weather forecasts.
Once the model is finished running, we put its projection next to the latest betting lines for the game to arrive at a relative confidence level for each wager.
Here are the best bets our model is projecting for Tuesday’s game between the Mariners and the Orioles:
- Moneyline: NBC Sports Bet is recommending a play on the Seattle Mariners on the Moneyline.
- Spread: NBC Sports Bet is leaning towards a play ATS on the Baltimore Orioles at +1.5.
- Total: NBC Sports Bet is recommending a play on the over on the Game Total of 9.0.
Want even more MLB best bets and predictions from our expert staff & tools? Check out the Expert MLB Predictions page from NBC
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- Jay Croucher (@croucherJD)
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