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    IsaacMattson

    Seattle Mariners
    • Seattle MarinersMariners
    • #72
    • Relief PitcherRP
    • HT/WT
      1.88 m, 97 kg
    • Birthdate
      14/7/1995 (31)
    • BAT/THR
      Right/Right
    • HT/WT
      1.88 m, 97 kg
    • Birthdate
      14/7/1995 (31)
    • BAT/THR
      Right/Right
    • Birthplace
      Erie, PA
    • Status
      Active

    2026 season stats

    • SV
      0
      150+
      ERA
      5.35
      K
      36
      150+
      WHIP
      1.60
    • Overview
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    • Isaac Mattson
      Isaac Mattson
      #72
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    • Jose Ferrer
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      Andres Munoz
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    • Michael Rucker
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    • Gabe Speier
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    • Troy Taylor
      Troy Taylor
      #59
    • Carlos Vargas
      Carlos Vargas
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    Full Splits
    Los Angeles Angels logo
    Angels
    62-100
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    Seattle Mariners logo
    Mariners
    76-86
    7Winner Icon Seattle Mariners

    SV

    • 0

    K

    • 36

    ERA

    • 5.35

    WHIP

    • 1.60
    SplitsGPGSCGSHOIPHRERHRBBK
    vs. LAA10002.0433002
    Home2200024.027141401222
    vs. AL900011.09551311
    September10002.0433002

    2026 Pitching

    See All
    Stats
    Regular Season
    Career
    GPGSCGSHOIPHRERHRBBK
    3800038.244232331836
    8900096.085434274790

    Recent Games

    See All
    DateOPPResultGSCGSHOIPHRERHRBBK
    Sun 9/6vsLAALAA
    L
    6-1
    0002.0433002
    Tue 8/18vsDETDET
    L
    8-5
    0002.0211021
    Wed 7/29vsARIARI
    L
    8-7 F/12
    0001.2311013
    Sun 7/26vsCHCCHC
    L
    11-0
    0000.1433011
    Mon 7/20@CLECLE
    W
    7-1
    0001.0000001
    Latest News
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    Racing Positions

      • Pirates reliever Mattson lands on IL due to hip
        • 2M
        Pirates reliever Mattson lands on IL due to hip
        • Ashcraft goes 3 scoreless innings in Pirates debut
          • 1Y
          Ashcraft goes 3 scoreless innings in Pirates debut
          • Mets re-sign pitcher Stock, 36-year-old righty, to one-year contract
            • 13h
            Mets re-sign pitcher Stock, 36-year-old righty, to one-year contract
            • D-backs' Carroll has elbow surgery, expected to be ready for spring training
              • 14h
              Corbin Carroll rounds the bases on a triple against the San Francisco Giants.
              • Sources: Mariners to hire Yankees' Swanson as bench coach
                • 17h
                • Jorge Castillo
                Mariners logo
                • Blue Jays: Santander's anti-Muslim posts don't represent team
                  • 1d
                  Blue Jays: Santander's anti-Muslim posts don't represent team
                  • Finally win the World Series! Don't finish in last place again! How Yankees, Mets can meet their 2027 goals
                    • 1d
                    • Jorge Castillo
                    GM Brian Cashman talks to Aaron Judge of the New York Yankees before a game.
                    • Ex-Guardians catcher Naylor: Nothing unusual about Clase, Ortiz pitches
                      • 2d
                      • David Purdum
                      Ex-Guardians catcher Naylor: Nothing unusual about Clase, Ortiz pitches
                      • West among 5 ex-umps to sue over retirement plan, claim they're owed money
                        • 2d
                        umpire Joe West
                        • Varland, Pages, Latz among Super 2s eligible for salary arbitration
                          • 2d
                          Toronto Blue Jays Relief Pitcher Louis Varland (77) throws a pitch during the MLB regular season game between the Colorado Rockies and the Toronto Blue Jays on March 30, 2026, at Rogers Centre in Toronto, ON, Canada.

                        2026 AL West Standings

                        TeamWLPCTGBSTRK
                        Houston8181.500-W2
                        Texas8082.4941L1
                        Seattle7686.4695W2
                        Athletics6498.39517L2
                        Los Angeles62100.38319L2
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