It’s Monday, June 16 and the Red Sox (37-36) are in Seattle to take on the Mariners (36-34). Lucas Giolito is slated to take the mound for Boston against Logan Gilbert for Seattle.
Tonight is the first game of the Red Sox’s 10-day game road trip. It’s also the first game for the Red Sox after trading superstar Rafael Devers to the San Francisco Giants.
The move was likely inevitable after Devers refused to take up first base following Triston Casas’ season-ending injury.
With Devers’ numbers down and the massive contract, the front office likely felt their hand was forced.
The Mariners host the Red Sox after sweeping the Guardians. Despite their three-game winning streak, the Mariners have still lost six of their last 10 games.
Let’s dive into the matchup 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 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 Red Sox at Mariners
- Date: Monday, June 16, 2025
- Time: 9:40PM EST
- Site: T-Mobile Park
- City: Seattle, WA
- Network/Streaming: ROOTNW, NESN
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 Red Sox at the Mariners
The latest odds as of Monday:
- Moneyline: Red Sox (+150), Mariners (-181)
- Spread: Mariners -1.5
- Total: 7.0 runs
Probable starting pitchers for Red Sox at Mariners
- Pitching matchup for June 16, 2025: Lucas Giolito vs. Logan Gilbert
- Red Sox: Lucas Giolito, (2-1, 5.45 ERA)
Last outing (Tampa Bay Rays, 6/10): 6.0 Innings Pitched, 0 Earned Runs Allowed, 3 Hits Allowed, 3 Walks, and 4 Strikeouts - Mariners: Logan Gilbert, (1-1, 2.37 ERA)
Last outing (Miami Marlins, 4/25): 3.0 Innings Pitched, 0 Earned Runs Allowed, 0 Hits Allowed, 0 Walks, and 3 Strikeouts
- Red Sox: Lucas Giolito, (2-1, 5.45 ERA)
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Top betting trends & insights to know ahead of Red Sox at Mariners
- The Red Sox have won 4 of their last 5 series
- Each of the Mariners’ last 3 home games against the Red Sox have stayed under the Total
- The Red Sox have covered the Run Line in 7 of their last 9 road games against the Mariners
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 Red Sox and the Mariners
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 Monday’s game between the Red Sox and the Mariners:
- Moneyline: NBC Sports Bet is staying away from a play on the Moneyline.
- Spread: NBC Sports Bet is leaning towards a play ATS on the Boston Red Sox at +1.5.
- Total: NBC Sports Bet is recommending a play on the over on the Game Total of 7.0.
Want even more MLB best bets and predictions from our expert staff & tools? Check out the Expert MLB Predictions page from NBC
Follow our experts on socials to keep up with all the latest content from the staff:
- Jay Croucher (@croucherJD)
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- Vaughn Dalzell (@VmoneySports)
- Brad Thomas (@MrBradThomas)
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