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    St. Louis Cardinals
    Riley O'Brien

    RileyO'Brien

    St. Louis Cardinals
    • St. Louis Cardinals
    • #55
    • Relief Pitcher
    • HT/WT
      1.93 m, 81 kg
    • Birthdate
      6/2/1995 (30)
    • BAT/THR
      Right/Right
    • Birthplace
      Seattle, WA
    • Status
      Active

    2025 season stats

    • SV
      6
      Tied-47th
    • ERA
      2.06
    • K
      45
      150+
    • WHIP
      1.15
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    • Riley O'Brien
      Riley O'Brien
      #55
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      #70
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    Cardinals

    MLB

      Cards option Fernandez to Triple-A amid struggles

      • 7M
      Cards option Fernandez to Triple-A amid struggles
      Dale Zanine/Imagn Images

      Cardinals

      MLB

        Cardinals fill up 40-man roster, add Young, O'Brien

        • 2Y
        Cardinals fill up 40-man roster, add Young, O'Brien
        USA Today Sports

        2025 NL Cent Standings

        TeamWLPCTGBSTRK
        Milwaukee9765.599-W1
        Chicago Cubs9270.5685W3
        Cincinnati8379.51214L1
        St. Louis7884.48119L4
        Pittsburgh7191.43826L1
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