Red Sox vs Mariners Prediction 2 September 2026

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    📡 After two nights that produced a combined 32 runs, the Boston series finale takes on a whole new level of intrigue. The Red Sox edged the opener 9-8 in ten innings, while Seattle bounced back with a 9-6 victory to snap their five-game losing streak. Yesterday, rookie Lazaro Montes made an instant impact with a home run, and the Mariners put up at least one run in each of the first five innings. Now Boston turns to Patrick Sandoval, giving themselves a solid opportunity to regain control early in the contest.

    Head-to-Head

    📊 The last ten head-to-head meetings are evenly split at 5-5. This season, Boston hold a 3-2 edge: the Red Sox took two out of three games in Seattle over the summer, and the current series stands at 1-1. Five of the last ten matchups have gone over the total, while five have stayed under. Notably, the two most recent games at Fenway Park have featured explosive offense, with both teams combining for 32 runs.

    Head-to-head statistics Red Sox - Mariners

    57%
    66 Wins
    41%
    47 Wins
    01.09.26
    major league baseball
    Boston Red Sox
    Boston Red Sox
    Seattle Mariners
    Seattle Mariners
    6
    9
    1
    1
    0
    5
    0
    1
    0
    1
    0
    1
    1
    0
    2
    0
    0
    0
    2
    0
    31.08.26
    major league baseball
    Boston Red Sox
    Boston Red Sox
    Seattle Mariners
    Seattle Mariners
    9
    8
    1
    1
    2
    0
    0
    1
    0
    0
    2
    1
    0
    4
    0
    1
    2
    0
    1
    0
    1
    0
    21.06.26
    MLB
    Seattle Mariners
    Seattle Mariners
    Boston Red Sox
    Boston Red Sox
    3
    1
    0
    0
    1
    0
    0
    1
    0
    0
    1
    0
    1
    0
    0
    0
    0
    0
    21.06.26
    MLB
    Seattle Mariners
    Seattle Mariners
    Boston Red Sox
    Boston Red Sox
    1
    5
    1
    0
    0
    0
    0
    0
    0
    2
    0
    0
    0
    3
    0
    0
    0
    0
    0
    0
    20.06.26
    MLB
    Seattle Mariners
    Seattle Mariners
    Boston Red Sox
    Boston Red Sox
    2
    6
    0
    0
    0
    1
    0
    0
    0
    0
    0
    0
    0
    0
    0
    4
    0
    0
    2
    1
    Empty
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    Boston Red Sox Team Overview

    Boston are 75-64 on the season. The past few weeks have been inconsistent, and yesterday’s defeat marked their fifth loss in seven games. Still, their offense continues to generate plenty of opportunities: even after falling behind 1-9 early, the Red Sox battled back, putting up five runs over the final four innings. On the year, they average around 4.5 runs per game, and their lineup depth allows them to capitalise when opposing pitchers start to lose command.

    Match Results: Boston Red Sox

    01.09.26
    major league baseball
    Boston Red Sox
    Boston Red Sox
    Seattle Mariners
    Seattle Mariners
    6
    9
    1
    1
    0
    5
    0
    1
    0
    1
    0
    1
    1
    0
    2
    0
    0
    0
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    L
    31.08.26
    major league baseball
    Boston Red Sox
    Boston Red Sox
    Seattle Mariners
    Seattle Mariners
    9
    8
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    2
    0
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    1
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    4
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    W
    30.08.26
    major league baseball
    New York Yankees
    New York Yankees
    Boston Red Sox
    Boston Red Sox
    16
    1
    0
    0
    0
    0
    0
    0
    0
    0
    5
    0
    1
    0
    1
    0
    9
    1
    L
    29.08.26
    major league baseball
    New York Yankees
    New York Yankees
    Boston Red Sox
    Boston Red Sox
    9
    2
    0
    0
    0
    0
    3
    1
    0
    0
    0
    0
    1
    0
    0
    0
    5
    1
    L
    29.08.26
    major league baseball
    New York Yankees
    New York Yankees
    Boston Red Sox
    Boston Red Sox
    0
    6
    0
    1
    0
    0
    0
    0
    0
    0
    0
    1
    0
    0
    0
    0
    0
    0
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    4
    W
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    Seattle Mariners Team Overview

    The Mariners improved their record to 65-74, finally snapping a five-game skid. Last night, nearly the entire lineup delivered-every starter recorded at least one hit. It was a rare offensive outburst for Seattle, who average fewer than four runs per game and remain among the weakest lineups in MLB when it comes to batting average and OPS. Matching those 14 hits again tonight will be a tall order, especially with a more experienced starting pitcher on the mound.

    Match Results: Seattle Mariners

    01.09.26
    major league baseball
    Boston Red Sox
    Boston Red Sox
    Seattle Mariners
    Seattle Mariners
    6
    9
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    31.08.26
    major league baseball
    Boston Red Sox
    Boston Red Sox
    Seattle Mariners
    Seattle Mariners
    9
    8
    1
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    2
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    4
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    30.08.26
    major league baseball
    Toronto Blue Jays
    Toronto Blue Jays
    Seattle Mariners
    Seattle Mariners
    7
    0
    2
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    0
    0
    0
    0
    0
    1
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    1
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    L
    29.08.26
    major league baseball
    Toronto Blue Jays
    Toronto Blue Jays
    Seattle Mariners
    Seattle Mariners
    4
    3
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    0
    1
    0
    0
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    L
    28.08.26
    major league baseball
    Toronto Blue Jays
    Toronto Blue Jays
    Seattle Mariners
    Seattle Mariners
    8
    1
    3
    1
    0
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    Empty
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    ⚾ Starting Pitchers

    Patrick Sandoval enters the game at 1-3 with a 4.20 ERA and 48 strikeouts. His last two outings have been solid: he allowed just one earned run over 5.1 innings against New York, and two runs across 5.2 innings versus San Francisco. In those appearances, the left-hander found his ground-ball touch again and looked more composed facing the heart of the order. Boston will be counting on him to go deep into the game, especially after yesterday’s bullpen had to cover 5.1 innings.

    Bryce Miller stands at 4-8 with a 4.12 ERA, but his recent form raises significant concerns. He’s dropped five straight starts, posting a 7.82 ERA over that stretch. During those five outings, Miller has surrendered 22 earned runs in just 25.1 innings, including six against Chicago and five versus Milwaukee. While he held Boston to just one run over five innings in their June meeting, his current level is clearly below that standard.


    ⭐ Editor's Pick

    Seattle looked outstanding at the plate yesterday, and Montes’ debut injected fresh energy into the lineup. However, Miller presents a much tougher challenge for the visitors tonight: his last five starts have all ended in team defeats, with his command notably slipping. Sandoval, coming off two strong outings, gives Boston a more reliable presence on the mound. The Red Sox have already beaten Miller twice in their last three head-to-head matchups and typically fare well against right-handed pitching. After yesterday’s loss, the hosts have an ideal pitching matchup to bounce back. We’re backing a Boston Red Sox win.

    Boston Red Sox Win
    Bovada
    Place a bet-135
    Published: 02/09/2026, 04:21
    Evgeny Lisin
    Evgeny Lisin
    Baseball expert
    15
    0
    16
    31 predictions
    Statistics for September 2026

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    Betting Tips: Boston Red Sox - Seattle Mariners

    Seattle Mariners have scored over 2.5 runs:
    boston-red-soxseattle-marinersin 18 of last 19 away games against Boston Red Sox (MLB).
    Seattle Mariners Total Over (2,5)
    -263
    Boston Red Sox have scored over 2.5 runs:
    boston-red-soxseattle-marinersin 15 of last 16 home games against Seattle Mariners (MLB).
    boston-red-soxin last 15 home games (MLB).
    Boston Red Sox Total Over (2,5)
    -333
    Over 9.5 runs scored:
    boston-red-soxseattle-marinersin 13 of last 15 Boston Red Sox home games against Seattle Mariners (MLB).
    Total Over (9,5)
    +135
    Over 8.5 runs scored:
    boston-red-soxin 7 of last 8 Boston Red Sox home games (MLB).
    Total Over (8,5)
    Bovada
    -110
    View more facts