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Jonathan Hernández: Career Pitching
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Background:
For You Rookies Here Some Baseball Analysis Theory The Games-Won Formula About the Team-Performance Table The “Quality of Pitching” Measure Fielding and Defense in Baseball Baseball Stat Definitions Baseball Data Normalization [scroll down for more links, or click the big “X” to exit]
Teams:
The Main Team-Performance Table Set By-Team Performance by Players & Pitchers
All-Teams Table: Win Expectations From Player Career Stats All-Teams Table: Defense [scroll up or down for more links, or click the big “X” to exit]
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Sorted by Performance:
Sorted by Name:
In Performance Order by Position(s) Played, Current Season:
Alphabetically by Position(s) Played, Current Season:
In Performance Order by Position(s) Played, Career:
Alphabetically by Position(s) Played, Career:
Frequent-Use Position Players, by performance Frequent-Use Position Players, by name [scroll up or down for more links, or click the big “X” to exit]
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Sorted by Performance:
Sorted by Name:
In Performance Order by Role, Current Season:
Alphabetically by Role, Current Season:
In Performance Order by Role, Career:
Alphabetically by Role, Career:
Frequent-Use Starters and Relievers, by performance Frequent-Use Starters and Relievers, by name [scroll up or down for more links, or click the big “X” to exit]
Miscellaneous:
The Owlcroft Baseball-Analysis Formulae Tested The Owlcroft “TOP” Formula: Tabulated Data Calculating the Effects of Fielding on Wins Making Optimum Use of Players and Pitchers About Owlcroft Links About Eric Walker Links To A Select Few Other Useful Baseball Sites Steroids and Baseball [external site] The Juiced Ball [scroll up or down for more links, or click the big “X” to exit]
Book:
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Jonathan Hernández: Personal Data
Name: Jonathan Hernández
Jonathan Hernández: Career Pitching
Through games of Thursday, 4 June 2026.true, unadjusted data.
Handedness Key: + R * L # S
(You can also look up the stat definitions .)
— Place your cursor over any column heading to see what it signifies. —
Year
Team
GS
GR
IP
BFP
BA
BABIP
SA
HA
PF
BBA
KA
OBA
TBA
K/W
TPP
QofP
ERA
2019
Rangers
2
7
16.2
78
0.219
0.256
0.375
0.179
1.714
0.167
0.244
0.346
0.308
1.462
923
5.34
4.32
2020
Rangers
0
27
31.0
125
0.218
0.278
0.327
0.192
1.500
0.064
0.248
0.288
0.288
3.875
504
2.92
2.90
2022
Rangers
0
29
30.1
131
0.232
0.289
0.330
0.198
1.423
0.130
0.206
0.336
0.282
1.588
575
3.32
2.97
2023
Rangers
0
33
31.2
147
0.280
0.348
0.432
0.238
1.543
0.102
0.231
0.367
0.367
2.267
967
5.59
5.40
2024
Mariners
0
3
2.1
11
0.222
0.333
0.222
0.182
1.000
0.182
0.273
0.364
0.182
1.500
612
3.54
11.57
2024
Rangers
1
25
41.0
181
0.258
0.297
0.444
0.215
1.718
0.144
0.199
0.365
0.370
1.385
856
4.95
5.05
2026
Dodgers
0
5
8.0
28
0.038
0.000
0.154
0.036
4.000
0.071
0.286
0.107
0.143
4.000
230
1.33
1.13
Career
All
3
129
161.0
701
0.236
0.287
0.375
0.201
1.589
0.118
0.225
0.334
0.320
1.904
717
4.15
4.14
For explanations of unconventional stats, see the Baseball Stats Definitions
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