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Riley O'Brien: Everything you need to know

Riley O’Brien

Riley O'Brien

#61 RP
St. Louis Cardinals

STATS

Riley O’Brien

Riley O’Brien Game Log   2026

  • Regular Season
     
    Date
    Opp
    Result
    IP
    K
    BB
    HBP
    CG
    SHO
    H
    R
    ER
    7/11
    ATL
    W 4-1
    1.0
    1
    1
    1
    0
    0
    0
    0
    0
    7/10
    ATL
    W 2-1
    1.0
    2
    0
    0
    0
    0
    0
    0
    0
    7/8
    MIL
    W 5-1
    1.0
    1
    0
    0
    0
    0
    1
    0
    0
    6/30
    ATL
    W 5-3
    1.0
    0
    0
    0
    0
    0
    1
    0
    0
    6/28
    MIA
    W 2-1
    1.0
    1
    0
    0
    0
    0
    0
    0
    0
    6/22
    AZ
    W 3-2
    1.0
    0
    0
    0
    0
    0
    0
    0
    0
    6/16
    SD
    W 3-2
    1.0
    0
    1
    0
    0
    0
    0
    0
    0
    6/7
    CIN
    W 5-3
    1.0
    1
    0
    0
    0
    0
    1
    0
    0
    6/6
    CIN
    W 6-5
    1.0
    1
    1
    0
    0
    0
    2
    0
    0
    6/3
    TEX
    W 5-3
    1.0
    0
    1
    0
    0
    0
    0
    0
    0
    6/2
    TEX
    L 7-4
    1.0
    2
    1
    0
    0
    0
    3
    3
    3
    5/29
    CHC
    W 6-5
    1.0
    0
    0
    0
    0
    0
    1
    1
    1
    5/23
    CIN
    L 7-6
    1.1
    2
    1
    0
    0
    0
    0
    1
    0
    5/19
    PIT
    W 9-6
    1.0
    0
    1
    2
    0
    0
    2
    2
    2
    5/15
    KC
    W 5-4
    1.0
    0
    0
    0
    0
    0
    1
    0
    0
    5/14
    ATH
    W 5-4
    1.0
    2
    0
    1
    0
    0
    0
    0
    0
    5/12
    ATH
    W 6-4
    1.0
    0
    1
    0
    0
    0
    0
    0
    0
    5/10
    SD
    L 3-2
    1.0
    3
    0
    0
    0
    0
    2
    2
    2
    5/7
    SD
    W 2-1
    1.0
    1
    0
    0
    0
    0
    0
    0
    0
    5/4
    MIL
    W 6-3
    0.2
    0
    0
    0
    0
    0
    0
    0
    0
    5/2
    LAD
    W 3-2
    1.0
    2
    0
    0
    0
    0
    4
    2
    2
    4/29
    PIT
    W 5-4
    1.0
    1
    0
    0
    0
    0
    1
    0
    0
    4/25
    SEA
    L 11-9
    1.0
    1
    1
    1
    0
    0
    4
    2
    2
    4/21
    MIA
    W 5-3
    1.0
    1
    0
    0
    0
    0
    1
    0
    0
    4/19
    HOU
    W 7-5
    1.1
    2
    0
    0
    0
    0
    1
    0
    0
    4/18
    HOU
    W 7-5
    0.2
    1
    0
    0
    0
    0
    0
    0
    0
    4/15
    CLE
    W 5-3
    1.0
    2
    0
    0
    0
    0
    0
    0
    0
    4/10
    BOS
    W 3-2
    1.0
    1
    0
    0
    0
    0
    0
    0
    0
    4/8
    WSH
    W 6-1
    1.0
    0
    0
    0
    0
    0
    0
    0
    0
    4/7
    WSH
    W 7-6
    1.0
    2
    0
    1
    0
    0
    0
    1
    0
    4/5
    DET
    W 5-3
    1.0
    1
    0
    0
    0
    0
    0
    0
    0
    4/1
    NYM
    W 2-1
    1.0
    2
    0
    0
    0
    0
    1
    0
    0
    3/31
    NYM
    W 3-0
    1.0
    0
    0
    0
    0
    0
    0
    0
    0
    3/28
    TB
    W 6-5
    1.0
    0
    0
    0
    0
    0
    2
    0
    0
    3/26
    TB
    W 9-7
    1.1
    2
    0
    0
    0
    0
    1
    0
    0
    Regular Season Totals
    33.7
    35
    9
    6
    0
    0
    29
    14
    12
Riley O’Brien

Riley O’Brien Splits   2026

  • Splits
    GS
    IP
    W
    L
    ERA
    K
    BB
    HBP
    CG
    H
    R
    ER
    SVO
    S
    AVG
    HR
    Overall
    0
    39.1
    3
    3
    0.0
    39
    13
    7
    0
    31
    17
    15
    28
    24
    0.218
    2
    Home
    0
    23.0
    2
    2
    0.0
    20
    7
    0
    0
    23
    10
    10
    16
    14
    0.261
    0
    Away
    0
    16.1
    1
    1
    0.0
    19
    6
    0
    0
    8
    7
    5
    12
    10
    0.148
    2
    Night
    0
    24.2
    1
    2
    0.0
    20
    8
    0
    0
    15
    10
    8
    20
    19
    0.179
    0
    Day
    0
    14.2
    2
    1
    0.0
    19
    5
    0
    0
    16
    7
    7
    8
    5
    0.276
    2
    vs Righty
    0
    0.0
    0
    0
    0.0
    23
    5
    2
    0
    13
    7
    0
    0
    0
    0.191
    1
    vs Lefty
    0
    0.0
    0
    0
    0.0
    16
    8
    5
    0
    18
    10
    0
    0
    0
    0.243
    1
    March
    0
    3.1
    1
    0
    0.0
    2
    0
    0
    0
    3
    0
    0
    1
    1
    0.250
    0
    April
    0
    12.0
    2
    1
    0.0
    15
    1
    0
    0
    8
    3
    2
    9
    7
    0.186
    0
    May
    0
    10.0
    0
    1
    0.0
    10
    3
    0
    0
    10
    8
    7
    8
    6
    0.270
    1
    June
    0
    10.0
    0
    1
    0.0
    7
    7
    0
    0
    9
    6
    6
    7
    7
    0.237
    1
    July
    0
    4.0
    0
    0
    0.0
    5
    2
    0
    0
    1
    0
    0
    3
    3
    0.083
    0
    Opponent
    vs HOU 0 2.0 1 0 0.0 3 0 0 0 1 0 0 2 1 0.167 0
    vs LAD 0 1.0 0 0 0.0 2 0 0 0 4 2 2 1 1 0.571 0
    vs TB 0 2.1 1 0 0.0 2 0 0 0 3 0 0 0 0 0.333 0
    vs CLE 0 2.0 1 0 0.0 3 0 0 0 0 0 0 1 1 0.000 0
    vs MIA 0 2.0 0 0 0.0 2 0 0 0 1 0 0 2 2 0.143 0
    vs MIN 0 1.0 0 0 0.0 1 3 0 0 0 1 1 0 0 0.000 0
    vs BOS 0 1.0 0 0 0.0 1 0 0 0 0 0 0 1 1 0.000 0
    vs AZ 0 1.0 0 0 0.0 0 0 0 0 0 0 0 1 1 0.000 0
    vs NYM 0 2.0 0 0 0.0 2 0 0 0 1 0 0 1 1 0.143 0
    vs DET 0 1.0 0 0 0.0 1 0 0 0 0 0 0 1 1 0.000 0
    vs SEA 0 1.0 0 1 0.0 1 1 0 0 4 2 2 1 0 0.571 0
    vs MIL 0 1.2 0 0 0.0 1 0 0 0 1 0 0 1 1 0.167 0
    vs CHC 0 2.0 0 0 0.0 1 1 0 0 1 1 1 2 2 0.167 0
    vs WSH 0 2.0 0 0 0.0 2 0 0 0 0 1 0 1 1 0.000 0
    vs ATH 0 2.0 0 0 0.0 2 1 0 0 0 0 0 2 2 0.000 0
    vs ATL 0 3.0 0 0 0.0 3 1 0 0 1 0 0 3 3 0.100 0
    vs SD 0 3.0 0 0 0.0 4 1 0 0 2 2 2 3 2 0.182 1
    vs CIN 0 3.1 0 1 0.0 4 2 0 0 3 1 0 2 2 0.231 0
    vs PIT 0 2.0 0 0 0.0 1 1 0 0 3 2 2 2 1 0.375 0
    vs KC 0 2.0 0 0 0.0 1 0 0 0 3 2 2 0 0 0.375 1
    vs TEX 0 2.0 0 1 0.0 2 2 0 0 3 3 3 1 1 0.375 0
    Venue
    @ Athletics 0 2.0 0 0 0.0 2 1 0 0 0 0 0 2 2 0.000 0
    @ San Diego 0 2.0 0 0 0.0 4 0 0 0 2 2 2 2 1 0.250 1
    @ Miami 0 1.0 0 0 0.0 1 0 0 0 1 0 0 1 1 0.250 0
    @ Minnesota 0 1.0 0 0 0.0 1 3 0 0 0 1 1 0 0 0.000 0
    @ Washington 0 2.0 0 0 0.0 2 0 0 0 0 1 0 1 1 0.000 0
    @ Pittsburgh 0 1.0 0 0 0.0 1 0 0 0 1 0 0 1 1 0.250 0
    @ Atlanta 0 1.0 0 0 0.0 0 0 0 0 1 0 0 1 1 0.250 0
    @ Kansas City 0 1.0 0 0 0.0 1 0 0 0 2 2 2 0 0 0.400 1
    @ Chicago 0 1.0 0 0 0.0 1 1 0 0 0 0 0 1 1 0.000 0
    @ St. Louis 0 23.0 2 2 0.0 20 7 0 0 23 10 10 16 14 0.261 0
    @ Houston 0 2.0 1 0 0.0 3 0 0 0 1 0 0 2 1 0.167 0
    @ Cincinnati 0 1.1 0 1 0.0 2 1 0 0 0 1 0 0 0 0.000 0
    @ Detroit 0 1.0 0 0 0.0 1 0 0 0 0 0 0 1 1 0.000 0
Riley O’Brien

Riley O’Brien Player Profile  

Team St. Louis Cardinals
Birthdate 2/6/1995 (31)
Status A
HT/WT 6'4", 180 lbs
Draft Info 2017: Rd 8; Pk 4 (TB)
Birthplace Seattle, WA, USA
Position RP
College College of Idaho

Career History

St. Louis Cardinals 2024-Present (3 seasons)
Seattle Mariners 2022-2024 (2 seasons)
Cincinnati Reds 2021-2022 (2 seasons)

Riley O'Brien: More News

4-Year MLB Veteran Exercises Opt-Out Clause From Cardinals

4-Year MLB Veteran Exercises Opt-Out Clause From Cardinals

MLB Trade Rumors: Freddy Peralta Bidding War, Luis Arraez to Yankees, & Dodgers Downplaying Skubal

MLB Trade Rumors: Freddy Peralta Bidding War, Luis Arraez to Yankees, & Dodgers Downplaying Skubal

St. Louis Cardinals Pitcher Officially Elects MLB Free Agency After Being Cut by Team

St. Louis Cardinals Pitcher Officially Elects MLB Free Agency After Being Cut by Team

Cardinals Must Consider Moving All-Star Top Priority at Deadline

Cardinals Must Consider Moving All-Star Top Priority at Deadline

Cardinals’ Jordan Walker is Forcing Tough Questions in St. Louis

Cardinals’ Jordan Walker is Forcing Tough Questions in St. Louis

Cardinals’ Riley O’Brien Praised for Actions After Hitting Rays’ Junior Caminero

Cardinals’ Riley O’Brien Praised for Actions After Hitting Rays’ Junior Caminero

MLB Trade Rumors: Joe Ryan to Phillies, Cubs Seeking Skubal, & No-Trade Clauses

MLB Trade Rumors: Joe Ryan to Phillies, Cubs Seeking Skubal, & No-Trade Clauses

MLB Trade Rumors: Mason Miller to Yankees, All-Star Trade Chips, and Teams Stuck in the Middle

MLB Trade Rumors: Mason Miller to Yankees, All-Star Trade Chips, and Teams Stuck in the Middle

St. Louis Cardinals Release 28-Year-Old From Organization

St. Louis Cardinals Release 28-Year-Old From Organization

Kyle Schwarber’s Message to Jordan Walker After Home Run Derby Goes Viral

Kyle Schwarber’s Message to Jordan Walker After Home Run Derby Goes Viral

Barry Bonds Reacts to Jordan Walker’s Home Run Derby Win

Barry Bonds Reacts to Jordan Walker’s Home Run Derby Win

MLB Trade Rumors: Mike Trout to Phillies, Yankees Aaron Judge, & the Big Board

MLB Trade Rumors: Mike Trout to Phillies, Yankees Aaron Judge, & the Big Board

Jordan Walker Makes History That Mark McGuire, Albert Pujols Never hit

Jordan Walker Makes History That Mark McGuire, Albert Pujols Never hit

How Much Money Did Jordan Walker Earn After Winning Home Run Derby?

How Much Money Did Jordan Walker Earn After Winning Home Run Derby?

Social Media Reacts to Jordan Walker Winning the Home Run Derby

Social Media Reacts to Jordan Walker Winning the Home Run Derby

New Contract Details Emerge After Cardinals’ JJ Wetherholt Signs $112.5 Million Extension

New Contract Details Emerge After Cardinals’ JJ Wetherholt Signs $112.5 Million Extension

MLB Home Run Derby Odds, Predictions, How to Watch Top Sluggers Crush Baseball’s in Citizens Bank Park

MLB Home Run Derby Odds, Predictions, How to Watch Top Sluggers Crush Baseball’s in Citizens Bank Park

St. Louis Cardinals Outright 6-Year MLB Starting Pitcher During All-Star Week

St. Louis Cardinals Outright 6-Year MLB Starting Pitcher During All-Star Week

MLB Trade Rumors: Willson Contreras’ Interest, Skubal to Phillies & Blue Jays Pitchers

MLB Trade Rumors: Willson Contreras’ Interest, Skubal to Phillies & Blue Jays Pitchers

St. Louis Cardinals Release 3-Year MLB Player During Braves Series

St. Louis Cardinals Release 3-Year MLB Player During Braves Series

MLB Trade Rumors: Blue Jays Trade, Dodgers Deadline Strategy, Sandy Alcantara & Clay Holmes

MLB Trade Rumors: Blue Jays Trade, Dodgers Deadline Strategy, Sandy Alcantara & Clay Holmes

Why is the Cardinals and Braves Game Delayed? When Will the Game Start Again?

Why is the Cardinals and Braves Game Delayed? When Will the Game Start Again?

Cardinals Announce Major JJ Wetherholt News Ahead of Braves Series

Cardinals Announce Major JJ Wetherholt News Ahead of Braves Series

MLB Trade Rumors: Tigers Keeping Skubal, Blue Jays Selling, Mason Miller Haul & Bo Bichette

MLB Trade Rumors: Tigers Keeping Skubal, Blue Jays Selling, Mason Miller Haul & Bo Bichette

Cardinals Almost Made Tough Jordan Walker Decision Before Season

Cardinals Almost Made Tough Jordan Walker Decision Before Season

Mariners All-Star Pitcher Named ‘Dream Match’ for Cardinals

Mariners All-Star Pitcher Named ‘Dream Match’ for Cardinals

Cardinals Rising Star Jordan Walker to Play big Role Over All-Star Weekend

Cardinals Rising Star Jordan Walker to Play big Role Over All-Star Weekend

MLB Trade Rumors: Yankees-Padres Bidding War Looms, Sonny Gray & Byron Buxton

MLB Trade Rumors: Yankees-Padres Bidding War Looms, Sonny Gray & Byron Buxton

St. Louis Cardinals Cut 4-Year MLB Player During Brewers Series

St. Louis Cardinals Cut 4-Year MLB Player During Brewers Series

Cardinals Hit With Bitter Trade Deadline Truth With Weeks to Go

Cardinals Hit With Bitter Trade Deadline Truth With Weeks to Go

Riley O'Brien: More News