Player·
Jack Flaherty
Jack Flaherty
P · STL
30 yrs
Pitcher
15-Day IL
Profile
Position
P
Team
STL
Type
Pitcher
Bats
Right
Throws
Right
Born
1995-10-15
Age
30
Country
USA
Height
6'4"
Weight
225 lb
Last active
2026
Career Résumé
W-L64-64
ERA3.89
WHIP1.22
IP1056
SO1,208
SV0
Pitching Projections
2026 · per ~700 BF
StatProjRange (p10–p90)vs LY
SO179141209-6
BB574372+0
HR231732+0
Hits153130166-1
ER746088-3
Pitching
Regular season
SeasonTmWLERAWHIPGGSSVIPSOBBHRERxERABrl%
2026DET185.351.571515065.278348394.618.5%
2025DET8154.641.2831310161.01885923833.9910.3%
2024LAD1373.171.0728280162.01943824573.547.7%
2023BAL894.991.5829270144.11486617805.067.3%
2022STL214.251.6198036.033224175.135.6%
2021STL923.221.061715078.1852612284.899.3%
2020STL434.911.2199040.149166225.036.9%
2019STL1182.750.9733330196.12315525603.366.9%
2018STL893.341.1128280151.01825920563.256.6%
2017STL026.331.5565021.120104154.866.3%
Fielding
Regular season · OAA 2016+
SeasonPosGGSInnPOAEDPFLD%RF/9OAA
2026P151565.23310.8570.82
2025P3131161.01514011.0001.62
2024P2828162.0109001.0001.06
2023P2927144.11814031.0002.00
2022P9836.03320.7501.50
2021P171578.17610.9291.49
2020P9940.114001.0001.12
2019P3333196.11823041.0001.88
2018P2828151.071120.9001.07
2017P6521.113001.0001.69
Pitching game log
2026 · last 15
DateOppResDecIPHRERHRBBSOPit
2026-06-12@CLELL3.032201163
2026-06-07vsSEAWND5.063301787
2026-06-02@TBWW5.050002694
2026-05-28vsLAALL5.263301991
2026-05-22@BALLL3.186320778
2026-05-17vsTORLL6.054410490
2026-05-12@NYMLL3.263303297
2026-05-06vsBOSLL5.0342011096
2026-05-01vsTEXLND3.254413491
2026-04-25@CINLL2.056632468
2026-04-20@BOSLND3.132006373
2026-04-15vsKCWND6.021103797
2026-04-09@MINLND5.251113689
2026-04-04vsSTLWND4.035504686
2026-03-28@SDLL4.143204289
Pitching Profile
2026 · vs 163 qualified
K/9BB/9HR/9ERAWHIPxERABrl%A
K/9
10.795
BB/9
4.76
HR/9
1.146
ERA
5.3514
WHIP
1.579
xERA
4.6133
Brl%A
8.5%41
PlayerMedian (50th)percentile vs league
Career Highs
StatBestYear
Wins132024
SO2312019
SV02026
ERA2.752019
WHIP0.972019
Accolades
All-MLB Second Team2019
World Series Champion2024