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

    WilliamKempner

    Miami Marlins
    • Miami MarlinsMarlins
    • #71
    • Relief PitcherRP
    • HT/WT
      6' 0", 222 lbs
    • Birthdate
      6/18/2001 (25)
    • BAT/THR
      Right/Right
    • HT/WT
      6' 0", 222 lbs
    • Birthdate
      6/18/2001 (25)
    • BAT/THR
      Right/Right
    • Birthplace
      San Jose, CA
    • Status
      OUT

    2026 season stats

    • SV
      0
      150+
      ERA
      2.92
      K
      14
      150+
      WHIP
      0.97
    • Overview
    • News
    • Stats
    • Bio
    • Splits
    • Game Log
    • Bat vs Pitch

    Switch Player

    • headshot fallback image
      William Kempner
      #71
    • Sandy Alcantara
      Sandy Alcantara
      #22
    • Ryan Gusto
      Ryan Gusto
      #65
    • Janson Junk
      Janson Junk
      #26
    • Adam Mazur
      Adam Mazur
      #60
    • Max Meyer
      Max Meyer
      #23
    • Eury Perez
      Eury Perez
      #39
    • Tyler Phillips
      Tyler Phillips
      #30
    • Robby Snelling
      Robby Snelling
      #61
    • Anthony Bender
      Anthony Bender
      #37
    • Brandan Bidois
      Brandan Bidois
      #77
    • Josh Ekness
      Josh Ekness
      #95
    • Calvin Faucher
      Calvin Faucher
      #53
    • Dax Fulton
      Dax Fulton
      #90
    • Cade Gibson
      Cade Gibson
      #58
    • Wikelman Gonzalez
      Wikelman Gonzalez
      #67
    • Ronny Henriquez
      Ronny Henriquez
      #32
    • Andrew Nardi
      Andrew Nardi
      #43
    • Michael Petersen
      Michael Petersen
      #49
    • Jack Ralston
      Jack Ralston
      #79
    • Victor Vodnik
      Victor Vodnik
      #38
    • Cameron Weston
      Cameron Weston
      #74
    Full Roster

    Marlins Quick Links

    Stats
    Schedule
    Depth Chart

    MLB Quick Links

    Scores
    Standings
    Schedule

    Status

    OUT
    13 days agoThe Marlins transferred Kempner (elbow) to the 60-day injured list Friday.
    Data Provided by Rotowire

    2026 Pitching

    See All
    Stats
    Regular Season
    Career
    GPGSCGSHOIPHRERHRBBK
    900012.18441414
    900012.18441414

    Recent Games

    See All
    DateOPPResultGSCGSHOIPHRERHRBBK
    Sat 7/11vsCLECLE
    L
    4-1
    0002.0322003
    Thu 7/9vsSEASEA
    W
    8-4
    0000.1222120
    Fri 7/3@ATHATH
    W
    12-5
    0001.0000001
    Mon 6/15@PHIPHI
    L
    7-0
    0002.1000002
    Wed 6/10vsARIARI
    W
    8-0
    0002.0000023
    Latest News
    See All

    Racing Positions

      • Angels, catcher Heineman avoid arbitration with 1-year deal
        • 2d
        Angels, catcher Heineman avoid arbitration with 1-year deal
        • Blue Jays' Santander apologizes for sharing anti-Muslim posts
          • 2d
          Blue Jays' Santander apologizes for sharing anti-Muslim posts
          • Ausmus dismisses 'glory days,' wants Astros to win World Series 'every single year'
            • 2d
            Ausmus dismisses 'glory days,' wants Astros to win World Series 'every single year'
            • MLB offseason grades: Red Sox land Jake Bauers amid winter's first big moves
              • 2d
              • David Schoenfield, Bradford Doolittle
              MLB offseason grades: Red Sox land Jake Bauers amid winter's first big moves
              • Fantasy baseball: Hot stove analysis of key offseason moves
                • 2d
                • Tristan H. Cockcroft, Eric Karabell
                Milwaukee Brewers first baseman Jake Bauers (9) catches a foul ball.
                • MLB free agency tracker: 2026-27 offseason trades, moves
                  • 2d
                  • ESPN
                  MLB free agency tracker: 2026-27 offseason trades, moves
                  • Sources: Bauers parlays career season into 4-year, $58M contract with Red Sox
                    • 2d
                    • Jeff Passan
                    Sources: Bauers parlays career season into 4-year, $58M contract with Red Sox
                    • What we learned about all 30 teams at the MLB GM meetings
                      • 2d
                      • Jorge Castillo, +2 More
                      Jackson Merrill #3 of the San Diego Padres celebrates his two run home run during the seventh inning against the Washington Nationals with Xander Bogaerts #2, Manny Machado #13, and Fernando Tatis Jr. #23.
                      • MLB Awards Week: Pete Crow-Armstrong, Yordan Alvarez win unanimous MVPs
                        • 3d
                        • Bradford Doolittle
                        Pete Crow-Armstrong, Jacob Misiorowski, Cam Schlittler & Yordan Alvarez
                        • Who has won the MLB MVP Award? All-time winners list
                          • 3d
                          • Keith Jenkins
                          Pete Crow-Armstrong celebrates a stolen base against the Marlins. He is the 2026 NL MVP.

                        2026 NL East Standings

                        TeamWLPCTGBSTRK
                        Atlanta9468.580-L1
                        Philadelphia8874.5436W1
                        Miami8082.49414W1
                        Washington7785.47517W1
                        NY Mets7488.45720L1
                        ESPN
                        • Terms of Use
                        • Privacy Policy
                        • Interest-Based Ads
                        • EU Privacy Rights
                        • Cookie Policy
                        • Manage Privacy Preferences
                        © ESPN Enterprises, Inc. All rights reserved.