ESPN
    • NFL
    • NCAAF
    • NBA
    • MLB
    • Soccer
    • NHL
    • WNBA
    • More Sports
    • Watch ESPN
      Watch
    • ESPN Fantasy
      Fantasy
    • Where to Watch
    • Search

    IsaacMattson

    Seattle Mariners
    • Seattle MarinersMariners
    • #72
    • Relief PitcherRP
    • HT/WT
      6' 2", 214 lbs
    • Birthdate
      7/14/1995 (31)
    • BAT/THR
      Right/Right
    • HT/WT
      6' 2", 214 lbs
    • Birthdate
      7/14/1995 (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
    • News
    • Stats
    • Bio
    • Splits
    • Game Log
    • Bat vs Pitch

    Switch Player

    • Isaac Mattson
      Isaac Mattson
      #72
    • Kade Anderson
      Kade Anderson
      #13
    • Logan Evans
      Logan Evans
      #23
    • Logan Gilbert
      Logan Gilbert
      #36
    • Emerson Hancock
      Emerson Hancock
      #26
    • George Kirby
      George Kirby
      #68
    • Bryce Miller
      Bryce Miller
      #50
    • Robinson Ortiz
      Robinson Ortiz
      #49
    • Troy Watson
      Troy Watson
      #78
    • Bryan Woo
      Bryan Woo
      #22
    • Eduard Bazardo
      Eduard Bazardo
      #83
    • Matt Brash
      Matt Brash
      #47
    • Cooper Criswell
      Cooper Criswell
      #88
    • Nick Davila
      Nick Davila
      #82
    • Seranthony Dominguez
      Seranthony Dominguez
      #58
    • Jose Ferrer
      Jose Ferrer
      #45
    • Andres Munoz
      Andres Munoz
      #75
    • Michael Rucker
      Michael Rucker
      #38
    • Gabe Speier
      Gabe Speier
      #55
    • Troy Taylor
      Troy Taylor
      #59
    • Carlos Vargas
      Carlos Vargas
      #54
    • Cole Wilcox
      Cole Wilcox
      #43
    Full Roster

    Mariners Quick Links

    Stats
    Schedule
    Depth Chart

    MLB Quick Links

    Scores
    Standings
    Schedule

    Next Game

    Full Splits
    San Diego Padres logo
    Padres
    2/19
    Seattle Mariners logo
    Mariners

    SV

    • 0

    K

    • 36

    ERA

    • 5.35

    WHIP

    • 1.60

    2026 Pitching

    See All
    Stats
    Regular Season
    Career
    GPGSCGSHOIPHRERHRBBK
    3800038.244232331836
    8900096.085434274790

    Recent Games

    See All
    DateOPPResultGSCGSHOIPHRERHRBBK
    Sat 9/5vsLAALAA
    L
    6-1
    0002.0433002
    Mon 8/17vsDETDET
    L
    8-5
    0002.0211021
    Tue 7/28vsARIARI
    L
    8-7 F/12
    0001.2311013
    Sat 7/25vsCHCCHC
    L
    11-0
    0000.1433011
    Sun 7/19@CLECLE
    W
    7-1
    0001.0000001
    Latest News
    See All

    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
          • Padres agree to 1-year deal with RHP Weiss, sources say
            • 4h
            • Jesse Rogers
            Padres agree to 1-year deal with RHP Weiss, sources say
            • Cashman: 'Meant a lot' that Brewers' Murphy apologized for criticizing Yanks
              • 5h
              Cashman: 'Meant a lot' that Brewers' Murphy apologized for criticizing Yanks
              • Braves GM emphatically shuts down Acuna trade speculation: 'We need him'
                • 4h
                • Jorge Castillo
                Braves GM emphatically shuts down Acuna trade speculation: 'We need him'
                • Source: Mets to meet with prized ace Skubal next week
                  • 5h
                  • Jorge Castillo
                  Source: Mets to meet with prized ace Skubal next week
                  • 'If you're tired, take a nap': Inside the wit and wisdom of one-of-a-kind Brewers manager Pat Murphy
                    • 8h
                    • Jesse Rogers
                    Manager Pat Murphy and pitcher Aaron Ashby of the Milwaukee Brewers celebrate after advancing to the World Series.
                    • Brewers' Murphy 3-peats as top NL manager; White Sox's Venable wins AL honors
                      • 6h
                      Brewers' Murphy 3-peats as top NL manager; White Sox's Venable wins AL honors
                      • MLB Awards Week: Venable and Murphy win Manager of the Year
                        • 7h
                        • Bradford Doolittle
                        Pete Crow-Armstrong, Jacob Misiorowski, Cam Schlittler & Yordan Alvarez
                        • Dodgers hire Pedro Guerrero away from Marlins as hitting coach
                          • 10h
                          Dodgers hire Pedro Guerrero away from Marlins as hitting coach

                        Find Tickets

                        Powered ByVividSeats
                        Mariners vs PadresPeoria Stadium - Fri 2/19/27, 12:00Tickets as low as $58
                        Buy Mariners tickets with VividSeats
                        Other Games

                        2026 AL West Standings

                        TeamWLPCTGBSTRK
                        Houston8181.500-W2
                        Texas8082.4941L1
                        Seattle7686.4695W2
                        Athletics6498.39517L2
                        Los Angeles62100.38319L2
                        ESPN
                        • Terms of Use
                        • Privacy Policy
                        • Your US State Privacy Rights
                        • Children's Online Privacy Policy
                        • Interest-Based Ads
                        • About Nielsen Measurement
                        • Your Privacy Choices
                        • Contact Us
                        • Disney Ad Sales Site
                        • Work for ESPN
                        • Corrections
                        GAMBLING PROBLEM? CALL 1-800-GAMBLER or 1-800-MY-RESET, (800) 327-5050 or visit gamblinghelplinema.org (MA). Call 877-8-HOPENY/text HOPENY (467369) (NY). Call 888-789-7777/visit ccpg.org (CT), or visit www.mdgamblinghelp.org (MD), 1-800-981-0023 (PR). 21+ and present in most states. (18+ DC/KY/NH/PR/WY). Void in ONT. Eligibility restrictions apply. Terms: draftkings.com/sportsbook. On behalf of Boot Hill Casino (KS). Pass-thru of per wager tax may apply in IL.
                        Copyright: © 2026 ESPN Enterprises, LLC. All rights reserved.