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Andrew Chafin: Career Pitching
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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:
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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:
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In Performance Order by Position(s) Played, Current Season:
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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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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]
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Andrew Chafin: Personal Data
Name: Andrew Chafin
Andrew Chafin: Career Pitching
Through games of Sunday, 28 September 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
2014
Diamondbacks
3
0
14.0
60
0.265
0.333
0.306
0.217
1.154
0.133
0.167
0.367
0.250
1.250
525
3.04
3.86
2015
Diamondbacks
0
66
75.0
306
0.207
0.251
0.300
0.183
1.446
0.098
0.190
0.284
0.265
1.933
436
2.52
2.76
2016
Diamondbacks
0
32
22.2
98
0.259
0.375
0.353
0.224
1.364
0.112
0.286
0.347
0.306
2.545
628
3.63
6.75
2017
Diamondbacks
0
71
51.1
221
0.246
0.331
0.374
0.217
1.521
0.095
0.276
0.321
0.330
2.905
645
3.73
3.51
2018
Diamondbacks
0
77
49.1
211
0.227
0.313
0.298
0.194
1.317
0.118
0.251
0.322
0.256
2.120
581
3.36
3.10
2019
Diamondbacks
0
77
52.2
225
0.257
0.359
0.366
0.231
1.423
0.080
0.302
0.320
0.329
3.778
644
3.72
3.76
2020
Diamondbacks
0
11
6.2
33
0.310
0.444
0.483
0.273
1.556
0.121
0.303
0.394
0.424
2.500
1272
7.35
8.10
2020
Cubs
0
4
3.0
12
0.182
0.143
0.545
0.167
3.000
0.083
0.250
0.250
0.500
3.000
703
4.07
3.00
2021
Cubs
0
43
39.1
150
0.154
0.204
0.228
0.140
1.476
0.080
0.247
0.233
0.207
3.083
260
1.50
2.06
2021
Athletics
0
28
29.1
116
0.226
0.266
0.330
0.207
1.458
0.060
0.233
0.267
0.302
3.857
496
2.87
1.53
2022
Tigers
0
64
57.1
243
0.222
0.293
0.329
0.198
1.479
0.078
0.276
0.288
0.292
3.526
615
3.56
2.83
2023
Diamondbacks
0
43
34.1
150
0.235
0.350
0.394
0.207
1.677
0.120
0.327
0.327
0.347
2.722
750
4.34
4.19
2023
Brewers
0
20
17.0
74
0.222
0.239
0.444
0.189
2.000
0.135
0.189
0.338
0.378
1.400
806
4.66
5.82
2024
Tigers
0
41
37.0
162
0.245
0.355
0.315
0.216
1.286
0.099
0.309
0.321
0.278
3.125
636
3.68
3.16
2024
Rangers
0
21
19.1
84
0.250
0.304
0.397
0.202
1.588
0.179
0.238
0.381
0.321
1.333
814
4.71
4.19
2025
Angels
0
16
13.2
55
0.191
0.276
0.255
0.164
1.333
0.127
0.327
0.291
0.218
2.571
466
2.69
1.98
2025
Nationals
0
26
20.0
88
0.267
0.339
0.320
0.227
1.200
0.136
0.205
0.364
0.273
1.500
670
3.88
2.70
Career
All
3
640
542.0
2288
0.230
0.303
0.335
0.202
1.455
0.102
0.258
0.311
0.294
2.526
583
3.37
3.35
For explanations of unconventional stats, see the Baseball Stats Definitions
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