Mariners vs Rays Prediction 9 August 2026

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The main thing
    Seattle Mariners
    Seattle Mariners
    Tampa Bay Rays
    Tampa Bay Rays
    2
    3
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    📡 Tampa Bay kicked off the series with a 2-1 win, extending their impressive run this season. Seattle suffered a second straight defeat and once again struggled to generate offense. On Friday, the hosts managed just four hits, while seven scoreless innings from the visitors’ starting pitcher left them with little chance to turn things around. Today, both teams send solid starters to the mound: Seattle hand the ball to George Kirby, while Tampa Bay counter with Griffin Jax.

    Head-to-Head

    📊 Tampa Bay have claimed victory in six of their last ten head-to-head clashes with Seattle, while the Mariners have taken four. Only three of those matchups finished under the 7.5 total runs mark-3-2, 6-1, and yesterday’s 2-1 contest. The remaining seven games produced between nine and thirteen runs apiece. The head-to-head stats suggest the under isn’t the most likely outcome, so today’s pick hinges more on the starting pitchers and the current form of the home side’s offense.

    Head-to-head statistics Mariners - Rays

    54%
    43 Wins
    42%
    33 Wins
    09.08.26
    major league baseball
    Seattle Mariners
    Seattle Mariners
    Tampa Bay Rays
    Tampa Bay Rays
    1
    4
    1
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    0
    0
    1
    0
    1
    0
    2
    0
    0
    0
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    0
    0
    09.08.26
    major league baseball
    Seattle Mariners
    Seattle Mariners
    Tampa Bay Rays
    Tampa Bay Rays
    2
    3
    0
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    1
    0
    0
    0
    0
    1
    0
    0
    0
    2
    1
    0
    0
    0
    0
    0
    08.08.26
    major league baseball
    Seattle Mariners
    Seattle Mariners
    Tampa Bay Rays
    Tampa Bay Rays
    1
    2
    0
    0
    0
    1
    0
    1
    0
    0
    0
    0
    0
    0
    0
    0
    0
    0
    1
    0
    12.07.26
    major league baseball
    Tampa Bay Rays
    Tampa Bay Rays
    Seattle Mariners
    Seattle Mariners
    2
    8
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    3
    0
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    0
    4
    0
    0
    0
    0
    0
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    2
    0
    0
    1
    11.07.26
    major league baseball
    Tampa Bay Rays
    Tampa Bay Rays
    Seattle Mariners
    Seattle Mariners
    6
    1
    0
    0
    1
    1
    1
    0
    0
    0
    0
    0
    0
    0
    3
    0
    1
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    Seattle Mariners Team Overview

    The Mariners rank near the bottom of the league in runs scored, and they underscored that issue again on Friday. Over nine innings, the team managed just four hits and a solo home run. Seattle are capable of grinding out low-scoring games thanks to their pitching staff, but with such a lackluster offense, it’s tough for them to claw back even from a modest early deficit. Kirby will need to keep the score tight and give the hosts a chance to stay in it until the late innings.

    Match Results: Seattle Mariners

    23.08.26
    major league baseball
    Seattle Mariners
    Seattle Mariners
    Chicago Cubs
    Chicago Cubs
    2
    19
    1
    0
    1
    0
    0
    5
    0
    0
    0
    1
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    1
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    0
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    9
    0
    3
    L
    22.08.26
    major league baseball
    Seattle Mariners
    Seattle Mariners
    Chicago Cubs
    Chicago Cubs
    5
    4
    1
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    1
    1
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    3
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    W
    22.08.26
    major league baseball
    Seattle Mariners
    Seattle Mariners
    Chicago Cubs
    Chicago Cubs
    6
    5
    0
    3
    4
    0
    0
    0
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    1
    0
    0
    0
    0
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    1
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    1
    1
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    W
    20.08.26
    major league baseball
    Milwaukee Brewers
    Milwaukee Brewers
    Seattle Mariners
    Seattle Mariners
    7
    4
    6
    0
    0
    2
    0
    0
    0
    2
    0
    0
    0
    0
    0
    0
    1
    0
    L
    19.08.26
    major league baseball
    Milwaukee Brewers
    Milwaukee Brewers
    Seattle Mariners
    Seattle Mariners
    5
    7
    0
    4
    2
    3
    0
    0
    0
    0
    0
    0
    1
    0
    0
    0
    2
    0
    0
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    W
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    Tampa Bay Rays Team Overview

    The Rays boast the best balance in their division and took the opener without needing to generate much offensive output. Two runs were enough, as their pitching staff completely dictated the tempo of the game. That’s a scenario the visitors will gladly accept again today: Jax has what it takes to contain Seattle, and the offense won’t be under pressure to force things early on. The main concern remains the reliability of the bullpen if the margin stays razor-thin.

    Match Results: Tampa Bay Rays

    23.08.26
    major league baseball
    Baltimore Orioles
    Baltimore Orioles
    Tampa Bay Rays
    Tampa Bay Rays
    1
    3
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    W
    22.08.26
    major league baseball
    Baltimore Orioles
    Baltimore Orioles
    Tampa Bay Rays
    Tampa Bay Rays
    3
    2
    0
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    1
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    L
    21.08.26
    major league baseball
    Baltimore Orioles
    Baltimore Orioles
    Tampa Bay Rays
    Tampa Bay Rays
    5
    3
    1
    0
    1
    3
    0
    0
    0
    0
    3
    0
    0
    0
    0
    0
    0
    0
    L
    20.08.26
    major league baseball
    Tampa Bay Rays
    Tampa Bay Rays
    Toronto Blue Jays
    Toronto Blue Jays
    1
    5
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    L
    19.08.26
    major league baseball
    Tampa Bay Rays
    Tampa Bay Rays
    Toronto Blue Jays
    Toronto Blue Jays
    7
    6
    2
    0
    0
    0
    0
    0
    5
    1
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    0
    1
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    W
    Empty
    There are no events
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    ⚾ Starting Pitchers

    George Kirby enters the game with an 8-9 record, a 3.76 ERA, 127 innings pitched, and a 1.28 WHIP. The right-hander consistently limits walks and is capable of delivering six to seven solid innings without major setbacks.

    Griffin Jax takes the mound with a 6-9 record, a 3.63 ERA, 91.2 innings pitched, and a 1.21 WHIP. His season stats closely mirror Kirby’s numbers, setting up a balanced pitching matchup to open the contest.


    ⭐ Editorial Prediction

    The last 10 head-to-head meetings don’t exactly support this pick, with only three of those games finishing under 7.5 runs. However, this current Seattle side are struggling to produce offensively-they managed just one run on four hits on Friday. Jax enters with a 3.63 ERA and a 1.21 WHIP, while Kirby posts a 3.76 ERA and has the tools to keep the visitors’ strong lineup from putting up a big inning. The series opener ended 2-1, underlining just how tough it is for the hosts to string together productive at-bats right now. If both starting pitchers deliver six solid innings, we could see another low-scoring contest right down to the wire. Our pick: total under 7.5 runs.

    Total Under (7,5)
    Published: 08/08/2026, 06:50
    Evgeny Lisin
    Evgeny Lisin
    Baseball specialist
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    207
    483 predictions
    Statistics for August 2026

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    Betting Tips: Seattle Mariners - Tampa Bay Rays

    Seattle Mariners have lost:
    seattle-marinerstampa-bay-raysin 6 of last 7 games against Tampa Bay Rays (MLB).
    Tampa Bay Rays have won:
    tampa-bay-raysin 7 of last 8 away games (MLB).
    Tampa Bay Rays Win
    Bovada
    +120
    Over 6.5 runs scored:
    seattle-marinerstampa-bay-raysin 8 of last 9 Seattle Mariners games against Tampa Bay Rays (MLB).
    Total Over (6,5)
    -149
    Tampa Bay Rays have scored under 3.5 runs:
    seattle-marinerstampa-bay-raysin 6 of last 7 away games against Seattle Mariners (MLB).
    Tampa Bay Rays Total Under (3,5)
    -120
    Over 5.5 runs scored:
    seattle-marinersin 23 of last 24 Seattle Mariners games (MLB).
    seattle-marinersin 12 of last 13 Seattle Mariners home games (MLB).
    Total Over (5,5)
    -213
    View more facts