Batting
Pitching
Riley O'Brien

Riley O'Brien

St. Louis Cardinals
P
Age: 31
Bats/Throws: R/R
6'4" / 180
DOB: 2/6/1995
(31 years, 9 months, 7 days)
P
Season20262027Total
TeamSTLFGDC- - -
LevelMLBPROJMLB
G6665118
GS001
IP64.065.0122.1
K%23.2%23.1%23.0%
BB%10.5%10.1%11.8%
GB%45.8%48.9%
ERA4.083.723.83
FIP3.943.854.26
WAR0.30.50.2
2026 Pitch
Selection
SI:58%
SL:41%
RosterResource
Current Role:Bullpen: Closer (RR)
How Acquired:Purchased (SEA) Nov'23
Draft:2017, Rd: 8, Pick: 4, Ovr: 229
Draft Team:Tampa Bay Rays
Signing Bonus:$7,500
School:College of Idaho

Contract1 yr, $795k (2026) (RR)
Pre-Arbitration
AAV: $795k
Service Time
1.129
MiLB Options
0
Free Agent
2031
Arb Eligible
2028
News
Rotowire: O'Brien said recently that he wants to put on "as much muscle as I can" this offseason in order to help his body absorb the toll of the 2027 season, Daniel Guerrero of the St. Louis Post-Dispatch reports. (10/7/2026)

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Fantasy Tools - Player Rater Card

League Settings
12-Team 5x5
  • 12-Team 5x5
  • 15-Team 5x5
  • Last 7
    -
    Last 14
    -$4.8
    Last 30
    -$9.4
    Season
    -$0.0
    RP Rank
    32
    Pitcher Rank
    122
    Overall Rank
    291
    Week #
    Dollars $
    0.0 IP
    Rostered %
    Started %
    Week 4Week 8Week 12Week 16Week 20Week 24-40-20020406080100
    W
    -$5.2
    3
    SV
    $9.9
    38
    ERA
    -$2.2
    4.08
    WHIP
    -$2.0
    1.28
    SO
    -$4.2
    64
    Dollars
    -$0.0
    64 IP
    Last 7
    Last 14
    Last 30
    Season