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Cionel Pérez: 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]
Position Players:
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]
Pitchers:
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:
About Buying Books On Line Some Selected Baseball Books [scroll up for more links, or click the big “X” to exit]
Cionel Pérez: Personal Data
Name: Cionel Pérez
Cionel Pérez: Career Pitching
Through games of Sunday, 6 July 2025.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
2018
Astros
0
8
11.1
45
0.158
0.130
0.395
0.133
2.500
0.156
0.267
0.289
0.333
1.714
613
3.55
3.97
2019
Astros
0
5
9.0
40
0.289
0.286
0.579
0.275
2.000
0.050
0.175
0.325
0.550
3.500
1066
6.17
10.00
2020
Astros
0
7
6.1
32
0.269
0.389
0.269
0.219
1.000
0.188
0.250
0.406
0.219
1.333
811
4.69
2.84
2021
Reds
0
25
24.0
111
0.233
0.262
0.444
0.189
1.905
0.180
0.225
0.369
0.360
1.250
974
5.63
6.38
2022
Orioles
0
66
57.2
234
0.220
0.284
0.278
0.197
1.261
0.090
0.235
0.291
0.248
2.619
444
2.57
1.40
2023
Orioles
0
65
53.1
247
0.264
0.323
0.340
0.227
1.286
0.109
0.178
0.352
0.291
1.630
829
4.79
3.54
2024
Orioles
0
62
53.2
238
0.232
0.297
0.310
0.197
1.340
0.118
0.193
0.336
0.265
1.643
630
3.65
4.53
2025
Orioles
0
19
21.2
110
0.322
0.391
0.494
0.255
1.536
0.164
0.191
0.436
0.391
1.167
1305
7.55
8.31
Career
All
0
257
234.9
1057
0.246
0.303
0.354
0.210
1.441
0.122
0.206
0.343
0.303
1.690
736
4.26
4.22
For explanations of unconventional stats, see the Baseball Stats Definitions
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