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    MarcRzepczynski

    • Relief Pitcher
    • Birthdate
      8/29/1985
    • BAT/THR
      Left/Left
    • Birthplace
      Oak Lawn, IL
    • College
      UC Riverside

    Career Stats

    • SV
      2
      ERA
      3.89
      K
      409
      WHIP
      1.44
    • Overview
    • News
    • Stats
    • Bio
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    • Game Log

    Biography

    Position Relief Pitcher
    Birthdate8/29/1985
    BAT/THRLeft/Left
    BirthplaceOak Lawn, IL
    Debut Year2009
    CollegeUC Riverside

    Career History

    Toronto Blue Jays
    Toronto Blue Jays2009-2011, 2020-2020 (4 Seasons)
    Seattle Mariners
    Seattle Mariners2017-2018* (2 Seasons)
    Cleveland Indians
    Cleveland Indians2013*-2015, 2018-2018* (4 Seasons)
    Washington Nationals
    Washington Nationals2016*-2016 (1 Season)
    Oakland Athletics
    Oakland Athletics2016*-2016 (1 Season)
    San Diego Padres
    San Diego Padres2015*-2015 (1 Season)
    St. Louis Cardinals
    St. Louis Cardinals2011*-2013* (3 Seasons)

    MLB News

    "Bring baseball on" | Why Portland should get an MLB team

    "Bring baseball on" | Why Portland should get an MLB team

    Jeff Passan talks to former Nike exec Craig Cheek on what Portland is doing to position itself to get an MLB team
    2026 MLB playoff contenders: Remaining strength of schedule

    2026 MLB playoff contenders: Remaining strength of schedule

    Which teams have the most -- and least -- favorable paths to October? We broke down every playoff hopeful's September matchups.
    Fantasy Baseball Reliever Depth Chart

    Fantasy Baseball Reliever Depth Chart

    Our updated reliever depth chart displays the closer hierarchy for each team, as well as the fatigue factor in each MLB bullpen.
    Fantasy baseball forecaster: Team hitting ratings

    Fantasy baseball forecaster: Team hitting ratings

    Stay ahead of the game and optimize your fantasy baseball hitters with our forecaster, which provides a rolling 10-day outlook of every team's hitting matchups as well as the potential for stolen bases.
    Fantasy baseball forecaster: Pitcher projections for the next 10 days

    Fantasy baseball forecaster: Pitcher projections for the next 10 days

    Keep up to date on who is pitching -- and how well they're expected to do -- with our forecaster, which provides a rolling 10-day outlook of every team's probable starting pitchers with game score projections.
    Every team's odds to win the World Series: Dodgers remain clear favorites, Brewers surge

    Every team's odds to win the World Series: Dodgers remain clear favorites, Brewers surge

    Every MLB team's odds to win the 2026 World Series, led by the Dodgers. Milwaukee and Tampa Bay continue to see odds improvement.
    All MLB News
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