Following a 9-8, 10-inning win for Boston in the opener last night, the Mariners (64-74) and the Red Sox (75-63) continue their three-game series tonight at Fenway.
Seattle appeared poised to steal the opener after battling back and generating offense throughout the night. The Mariners totaled 11 hits receiving contributions up and down the lineup. The Sox got one more hit and ultimately, one more run. They forced extra innings with two runs in the eighth on a Trevor Story double and one in the ninth on a sac fly from Ceddanne Rafaela before Story again picked up a big hit in the tenth, a single to center, driving in Eli White to win it for the Red Sox. Aroldis Chapman picked up the win. Randy Arozarena and Cal Raleigh went yard for the Mariners, but it was not enough.
Seattle closed the month of August with five straight losses and now sit six games behind the Astros in the AL West and 5.5 games behind the Guardians for the final Wild Card spot. The Red Sox snapped a brief two-game losing streak with the win to pull within three games of the Yankees and the top Wild Card spot in the American League.
Seattle looks to snap the skid with right-hander Bryan Woo (9-9, 4.36 ERA) on the bump. Woo’s most recent outing came August 26 against Philadelphia, and it was one of his rougher starts of the year. The Phillies tagged him for six earned runs on five hits over four innings, including a pair of home runs. He struck out five but was unable to work deep into the game as Seattle lost 6-0. The righthander fared far better in his previous two starts. He allowed two runs in six innings at Houston on August 16 and threw five scoreless innings at Yankee Stadium on August 11. The Red Sox have yet to announce their starter for tonight. It was Sonny Gray’s (16-4, 2.79 ERA) turn to take the ball but Boston earlier announced they planned to give him an extra day of rest.
Lets dive further into today’s game 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 first pitch, 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 and How to Watch: Mariners vs. Red Sox
- Date: Tuesday, September 1, 2026
- Time: 6:45PM EST
- Site: Fenway Park
- City: Boston, MA
- Network/Streaming: MLB.TV, Mariners.TV, NESN
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The Latest Odds: Mariners vs. Red Sox
The latest odds as of Tuesday courtesy of DraftKings:
- Moneyline: Seattle Mariners (+111), Boston Red Sox (-119)
- Spread: Mariners +1.5 (-207), Red Sox -1.5 (+169)
- Total: 7.0 runs
Probable Starting Pitchers – Mariners vs. Red Sox for September 1
- Red Sox: TBD
Season Totals: - Mariners: Bryan Woo
Season Totals: 142.1 IP, 9-9, 4.36 ERA, 1.10 WHIP, 142K, 30 BB
Who’s Hot? Who’s Not! Mariners vs. Red Sox
- Adley Rutschman is 4-9 in his career including 1 HR against Bryan Woo
- Bryan Woo has struck out exactly 5 hitters in each of his last 4 starts and never fewer than five in his last 9 starts
- Cal Raleigh has hit in 3 straight games (4-11) and homered 7 times in his last 10 GP
- Josh Naylor is 2-15 over his last 4GP
- Roman Anthony is 4-8 in 2GP since returning from the disabled list
- Mickey Gasper was 1-4 last night and finished August hitting .400 (12-30) for the month
- Julio Rodriguez is 2-20 over his last 5 games
Top Betting Trends & Insights: Mariners vs. Red Sox
- The Mariners are an MLB-worst 52-86 on the Run Line this season
- The Red Sox are 67-71 on the Run Line this season
- The OVER has cashed 70 times in Seattle’s 138 games this season (70-61-7)
- The OVER has cashed 65 times in Boston’s 138 games this season (65-69-4)
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Expert picks & predictions: Mariners vs. Red Sox for September 1
Rotoworld Bet 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 tonight’s game between the Mariners and the Red Sox:
- Moneyline: Rotoworld Bet is staying away from a play on the Moneyline.
- Spread: Rotoworld Bet is leaning towards a play on the Red Sox on the Run Line.
- Total: Rotoworld Bet is leaning towards a play on the Game Total OVER 7.0
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