ESPN
    • Football
    • Chess
    • Hockey
    • NBA
    • Cricket
    • F1
    • Asian Games
    • MLB
    • More Sports
    • Watch
    • Search

    RileyO'Brien

    St. Louis Cardinals
    • St. Louis CardinalsCardinals
    • #61
    • Relief PitcherRP
    • HT/WT
      1.93 m, 81 kg
    • Birthdate
      6/2/1995 (31)
    • BAT/THR
      Right/Right
    • HT/WT
      1.93 m, 81 kg
    • Birthdate
      6/2/1995 (31)
    • BAT/THR
      Right/Right
    • Birthplace
      Seattle, WA
    • Status
      Active

    2026 season stats

    • SV
      38
      Tied-3rd
      ERA
      4.08
      K
      64
      150+
      WHIP
      1.28
    • Overview
    • News
    • Stats
    • Bio
    • Splits
    • Game Log
    • Bat vs Pitch

    Switch Player

    • Riley O'Brien
      Riley O'Brien
      #61
    • Hunter Dobbins
      Hunter Dobbins
      #40
    • Richard Fitts
      Richard Fitts
      #35
    • Cooper Hjerpe
      Cooper Hjerpe
      #56
    • Kyle Leahy
      Kyle Leahy
      #62
    • Matthew Liberatore
      Matthew Liberatore
      #32
    • Quinn Mathews
      Quinn Mathews
      #60
    • Michael McGreevy
      Michael McGreevy
      #36
    • Andre Pallante
      Andre Pallante
      #53
    • headshot fallback image
      Eduardo Rivera
      #99
    • Tekoah Roby
      Tekoah Roby
      #38
    • Justin Bruihl
      Justin Bruihl
      #47
    • Ryan Fernandez
      Ryan Fernandez
      #64
    • Luis Gastelum
      Luis Gastelum
      #72
    • Gordon Graceffo
      Gordon Graceffo
      #44
    • Brycen Mautz
      Brycen Mautz
      #52
    • Max Rajcic
      Max Rajcic
      #71
    • Hancel Rincon
      Hancel Rincon
      #66
    • George Soriano
      George Soriano
      #65
    • Matt Svanson
      Matt Svanson
      #49
    • Cade Winquest
      Cade Winquest
      #63
    Full Roster

    Cardinals Quick Links

    Stats
    Schedule
    Depth Chart

    MLB Quick Links

    Scores
    Standings
    Schedule

    2026 Pitching

    See All
    Stats
    Regular Season
    Career
    GPGSCGSHOIPHRERHRBBK
    6600064.053352952964
    118100122.110260521163123

    Recent Games

    See All
    DateOPPResultGSCGSHOIPHRERHRBBK
    Sun 9/20vsWSHWSH
    W
    5-3
    0001.0000000
    Sun 9/20vsWSHWSH
    L
    8-5 F/11
    0001.0110002
    Wed 9/16vsSFSF
    L
    6-5 F/10
    0001.0221110
    Tue 9/15vsSFSF
    W
    2-1
    0001.0100012
    Sun 9/13vsCHWCHW
    L
    6-5
    0001.0122112
    Latest News
    See All

    Racing Positions

      • Have fun! Don't dig holes in the outfield! MLB players give their Little League advice
        • 3M
        • ESPN
        Have fun! Don't dig holes in the outfield! MLB players give their Little League advice
        • Contreras, Ashcraft among All-Star replacements
          • 4M
          • Jesse Rogers
          Contreras, Ashcraft among All-Star replacements
          • Fantasy baseball: First-half relief pitcher MVPs, busts and waiver wire steals
            • 5M
            • Eric Karabell
            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.
            • Fantasy baseball: Hot potato! Get rid of these imposters while you can!
              • 5M
              • Tristan H. Cockcroft
              Minnesota Twins center fielder Byron Buxton (25) catches a fly ball hit by Kansas City Royals designated hitter Carter Jensen (22) and is injured on the play.
              • Passan's latest trade intel on all 30 MLB teams: Best fits for Skubal and where other stars could land
                • 5M
                • Jeff Passan
                Tarik Skubal of the Detroit Tigers throws in the bullpen prior to a game against the Atlanta Braves at Truist Park.
                • Fantasy baseball closer stock watch: Varland, Soto rise while Jansen falls
                  • 6M
                  • Eric Karabell
                  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.
                  • Fantasy baseball do-over? Which players' ADP have moved most since the preseason?
                    • 7M
                    • Tristan H. Cockcroft
                    Rafael Devers #16 of the San Francisco Giants hits a single in the eighth inning against the Washington Nationals at Nationals Park on April 19, 2026 in Washington, DC.
                    • Early MLB 2026 trade deadline preview: Player most likely to be traded for all 30 teams
                      • 7M
                      • David Schoenfield
                      Early MLB 2026 trade deadline preview: Player most likely to be traded for all 30 teams
                      • Fantasy baseball closer stock watch: O'Brien thriving in St. Louis
                        • 7M
                        • Eric Karabell
                        St. Louis Cardinals relief pitcher Riley O'Brien (61) throws a pitch against the Washington Nationals during the tenth inning at Nationals Park.
                        • Cards option Fernandez to Triple-A amid struggles
                          • 2Y
                          Cards option Fernandez to Triple-A amid struggles

                        2026 NL Cent Standings

                        TeamWLPCTGBSTRK
                        Milwaukee10359.636-W5
                        Chicago Cubs8973.54914W1
                        Pittsburgh8280.50621W1
                        St. Louis7785.47526L4
                        Cincinnati7587.46328L1
                        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.