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Umpires
Umpire stats related to ABS challenges
2026
▼
Regular Season
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Accuracy
Challenges
Impact
Call Context
#
Umpire
Called
Total Called Pitches
Correct
Correct Calls
Missed
Incorrect Calls
Acc%
▼
Overall Accuracy (Correct / Total)
Avg Miss (in.)
Avg Distance to Zone Edge on Incorrect Calls (inches)
Bad S
Incorrect Called Strikes (ball called strike)
Bad B
Incorrect Balls (strike called ball)
xAcc%
Accuracy an average umpire would achieve on this umpire's pitch mix.
AOE
Actual accuracy minus xAcc%. Difficulty adjusted umpire skill.
Chall
ABS Challenges Faced
OT
Challenges Overturned
OT%
Overturn Rate
xChall
Expected Challenges Faced (sum of xChall% across all called pitches)
COE
Challenges Over Expected (actual challenges − expected challenges)
COE/P
Challenges Over Expected per Called Pitch
OT RE
Total RE Given Up on Overturned Challenges
OT WPA
Total WPA Given Up on Overturned Challenges
Upheld Cost RE
Total RE Cost to Teams on Upheld Challenges
Upheld Cost WPA
Total WPA Cost to Teams on Upheld Challenges
Call LI
Avg Call Leverage Index on Challenged Pitches
xChall%
Avg Expected Challenge % on Challenged Pitches
cBE%
Avg Challenge Breakeven %
acBE%
Avg Adjusted Challenge Breakeven % (timing-adjusted)
1
Dillon Wilson
1483
1413
70
95.3%
0.74
42
28
93.9%
+1.4%
26
9
34.6%
30.56
-4.56
-0.0031
1.007
0.061
0.657
0.055
1.00
15.5%
58.3%
24.0%
2
Jansen Visconti
3999
3803
196
95.1%
0.86
92
104
93.7%
+1.5%
97
41
42.3%
86.15
+10.85
+0.0027
5.885
0.623
1.482
0.126
1.17
17.1%
58.0%
20.2%
3
Mark Ripperger
4795
4550
245
94.9%
0.90
124
121
93.6%
+1.3%
131
58
44.3%
107.23
+23.77
+0.0050
12.789
0.995
2.290
0.194
1.33
20.9%
54.1%
16.9%
4
Louie Krupa
2655
2511
144
94.6%
0.89
74
70
93.5%
+1.1%
68
29
42.6%
61.24
+6.76
+0.0025
5.468
0.469
1.207
0.098
1.13
20.8%
55.8%
18.9%
5
Tyler Jones
3523
3331
192
94.5%
0.94
88
104
93.7%
+0.9%
109
63
57.8%
85.48
+23.52
+0.0067
11.130
0.996
1.557
0.146
1.38
24.1%
56.4%
21.2%
6
Gabe Morales
4207
3977
230
94.5%
0.99
142
88
93.9%
+0.6%
102
50
49.0%
102.07
-0.07
-0.0000
8.915
1.130
1.112
0.096
1.50
22.5%
60.0%
15.4%
7
Edwin Moscoso
4493
4247
246
94.5%
0.87
102
144
93.8%
+0.8%
130
68
52.3%
109.55
+20.45
+0.0046
11.294
1.121
1.522
0.116
1.16
21.1%
55.5%
18.0%
8
Chris Conroy
4011
3788
223
94.4%
0.98
111
112
93.5%
+0.9%
102
52
51.0%
96.21
+5.79
+0.0014
10.441
0.964
1.425
0.116
1.19
22.0%
54.5%
19.0%
9
Nestor Ceja
4700
4438
262
94.4%
0.83
135
127
93.8%
+0.6%
127
60
47.2%
108.22
+18.78
+0.0040
10.904
1.321
1.901
0.159
1.54
20.8%
54.0%
16.7%
10
Junior Valentine
4033
3807
226
94.4%
0.94
116
110
93.9%
+0.5%
101
53
52.5%
101.50
-0.50
-0.0001
12.447
1.055
0.922
0.078
1.46
23.8%
51.4%
13.9%
11
Austin Jones
3109
2934
175
94.4%
0.78
96
79
93.7%
+0.7%
75
35
46.7%
69.60
+5.40
+0.0017
8.339
1.068
1.330
0.110
2.11
22.7%
49.9%
15.9%
12
Dexter Kelley
3156
2977
179
94.3%
0.90
113
66
93.6%
+0.8%
97
40
41.2%
75.23
+21.77
+0.0069
6.627
0.697
1.547
0.127
1.36
18.1%
55.7%
19.3%
13
Adam Hamari
4891
4613
278
94.3%
0.87
134
144
93.3%
+1.0%
110
54
49.1%
121.11
-11.11
-0.0023
11.930
1.230
1.422
0.111
1.67
22.8%
51.7%
16.6%
14
Alex Tosi
4349
4102
247
94.3%
0.79
135
112
93.7%
+0.7%
113
53
46.9%
99.17
+13.83
+0.0032
9.475
0.991
1.504
0.129
1.19
19.5%
56.0%
18.2%
15
Nate Tomlinson
4623
4357
266
94.3%
0.83
136
130
93.8%
+0.5%
106
54
50.9%
108.83
-2.83
-0.0006
12.087
1.001
1.669
0.132
1.21
22.4%
54.3%
17.4%
16
Alex MacKay
4420
4166
250
94.3%
0.98
130
120
93.8%
+0.5%
122
66
54.1%
112.20
+9.80
+0.0022
15.057
1.623
1.569
0.145
1.75
24.8%
51.3%
16.6%
17
Tripp Gibson
4717
4445
272
94.2%
1.12
139
133
93.5%
+0.7%
121
61
50.4%
119.94
+1.06
+0.0002
9.934
0.924
1.311
0.107
1.26
19.3%
55.6%
18.2%
18
Derek Thomas
3326
3134
192
94.2%
0.92
85
107
93.4%
+0.9%
90
36
40.0%
78.29
+11.71
+0.0035
7.153
0.627
1.879
0.139
1.17
18.3%
55.3%
20.5%
19
Steven Jaschinski
2806
2644
162
94.2%
0.79
97
65
93.6%
+0.6%
80
32
40.0%
63.79
+16.21
+0.0058
5.782
0.557
1.371
0.112
1.22
17.0%
57.3%
18.9%
20
Erich Bacchus
4857
4573
284
94.2%
1.04
154
130
93.7%
+0.5%
102
48
47.1%
119.75
-17.75
-0.0037
8.956
0.878
1.803
0.172
1.75
22.3%
54.6%
16.9%
21
Jeremie Rehak
3792
3570
222
94.2%
1.08
127
95
93.6%
+0.5%
107
55
51.4%
84.34
+22.66
+0.0060
11.032
1.074
1.834
0.145
1.25
19.7%
56.8%
20.5%
22
John Libka
4355
4095
260
94.0%
0.87
110
150
93.7%
+0.4%
107
53
49.5%
106.95
+0.05
+0.0000
10.081
0.892
1.743
0.158
1.25
20.4%
57.7%
22.5%
23
Quinn Wolcott
4785
4496
289
94.0%
0.94
149
140
93.6%
+0.4%
127
63
49.6%
122.31
+4.69
+0.0010
10.743
0.884
1.767
0.155
1.38
22.0%
55.6%
18.5%
24
Willie Traynor
4979
4677
302
93.9%
0.93
113
189
93.8%
+0.2%
118
65
55.1%
124.63
-6.63
-0.0013
11.181
0.934
1.379
0.103
0.93
20.9%
56.1%
16.1%
25
Tom Hanahan
4545
4268
277
93.9%
0.86
146
131
93.5%
+0.4%
128
69
53.9%
105.11
+22.89
+0.0050
11.917
1.040
2.082
0.186
1.09
19.8%
55.2%
18.3%
26
Dan Merzel
4514
4237
277
93.9%
0.91
166
111
93.7%
+0.2%
135
70
51.9%
107.41
+27.59
+0.0061
12.821
1.381
1.805
0.160
1.46
23.0%
54.9%
17.3%
27
James Jean
4199
3939
260
93.8%
0.81
117
143
93.5%
+0.3%
104
47
45.2%
99.49
+4.51
+0.0011
7.460
0.582
2.231
0.187
1.16
20.5%
56.8%
21.6%
28
Ramon De Jesus
3905
3663
242
93.8%
1.07
143
99
93.9%
-0.1%
122
66
54.1%
100.18
+21.82
+0.0056
10.220
0.818
1.658
0.145
0.97
20.9%
58.0%
19.6%
29
Vic Carapazza
4957
4648
309
93.8%
1.00
171
138
93.6%
+0.1%
127
66
52.0%
125.57
+1.43
+0.0003
11.535
0.994
1.882
0.144
1.22
20.8%
54.1%
17.0%
30
Edwin Jimenez
2837
2660
177
93.8%
0.94
100
77
93.8%
-0.0%
82
40
48.8%
70.82
+11.18
+0.0039
9.473
1.101
1.036
0.096
1.64
24.1%
55.3%
15.8%
31
John Tumpane
4349
4077
257
93.8%
0.99
140
117
93.6%
+0.1%
124
73
58.9%
115.09
+8.91
+0.0020
12.025
1.315
1.312
0.110
1.24
22.9%
57.7%
19.7%
32
Nic Lentz
5122
4801
321
93.7%
1.03
131
190
93.7%
+0.1%
149
72
48.3%
120.83
+28.17
+0.0055
13.471
1.224
2.645
0.227
1.25
20.4%
55.7%
19.7%
33
Mark Wegner
4844
4540
304
93.7%
1.06
168
136
93.6%
+0.1%
129
63
48.8%
120.50
+8.50
+0.0018
10.922
1.048
1.968
0.165
1.28
20.4%
54.6%
19.9%
34
Ryan Additon
4643
4351
292
93.7%
0.84
132
160
93.4%
+0.3%
136
62
45.6%
117.65
+18.35
+0.0040
13.555
1.416
2.206
0.197
1.63
22.1%
51.9%
15.4%
35
Lance Barksdale
4468
4186
282
93.7%
0.96
141
141
93.7%
+0.0%
128
72
56.3%
114.55
+13.45
+0.0030
11.107
1.097
1.436
0.119
1.41
20.8%
54.9%
17.0%
36
James Hoye
4737
4437
300
93.7%
0.94
150
150
93.5%
+0.2%
151
79
52.3%
117.25
+33.75
+0.0071
14.971
1.386
2.164
0.175
1.27
20.6%
55.2%
19.3%
37
Brian Walsh
4155
3892
263
93.7%
1.02
152
111
93.4%
+0.3%
134
78
58.2%
104.33
+29.67
+0.0071
10.536
1.099
1.556
0.136
1.12
20.9%
58.9%
17.5%
38
Adam Beck
4703
4403
300
93.6%
0.94
156
144
93.6%
+0.0%
131
67
51.1%
120.94
+10.06
+0.0021
12.099
0.992
1.962
0.170
0.99
20.8%
54.1%
19.1%
39
Will Little
4504
4216
277
93.6%
0.89
145
132
93.5%
+0.1%
132
65
49.2%
105.78
+26.22
+0.0058
11.810
1.374
2.410
0.220
1.30
21.4%
56.0%
19.2%
40
Ben May
4289
4015
274
93.6%
0.90
158
116
93.5%
+0.1%
102
55
53.9%
102.73
-0.73
-0.0002
11.512
1.254
1.280
0.104
1.31
21.2%
53.3%
17.8%
41
D.J. Reyburn
4044
3785
259
93.6%
0.97
153
106
93.8%
-0.2%
117
56
47.9%
105.10
+11.90
+0.0029
10.663
1.256
1.668
0.148
1.65
21.7%
54.9%
18.3%
42
Scott Barry
4034
3775
259
93.6%
0.98
124
135
93.7%
-0.1%
107
53
49.5%
100.23
+6.77
+0.0017
7.780
0.832
1.543
0.136
1.09
19.9%
59.5%
21.9%
43
Brock Ballou
3328
3114
214
93.6%
0.96
105
109
93.5%
+0.1%
109
61
56.0%
82.16
+26.84
+0.0081
9.246
0.963
1.425
0.126
1.49
19.3%
55.2%
18.1%
44
Mike Muchlinski
4654
4354
300
93.5%
1.12
199
101
93.7%
-0.1%
108
57
52.8%
112.55
-4.55
-0.0010
9.685
0.722
1.365
0.103
1.08
20.6%
58.0%
19.9%
45
Alan Porter
4336
4056
280
93.5%
1.00
133
147
93.5%
+0.1%
133
73
54.9%
112.95
+20.05
+0.0046
12.928
1.334
1.720
0.144
1.20
21.3%
58.0%
21.8%
46
David Rackley
4100
3834
266
93.5%
1.06
170
96
93.6%
-0.1%
108
51
47.2%
99.00
+9.00
+0.0022
6.465
0.616
1.425
0.112
0.99
17.9%
58.8%
18.3%
47
Jonathan Parra
2665
2492
173
93.5%
0.87
77
96
93.8%
-0.3%
67
33
49.3%
65.60
+1.40
+0.0005
6.861
0.669
1.307
0.093
1.32
21.3%
53.3%
17.9%
48
Shane Livensparger
4035
3771
264
93.5%
1.02
134
130
93.6%
-0.2%
122
60
49.2%
100.99
+21.01
+0.0052
8.690
0.937
1.669
0.135
1.27
18.4%
57.8%
20.0%
49
Jordan Baker
4115
3845
270
93.4%
1.17
134
136
93.7%
-0.3%
115
66
57.4%
109.69
+5.31
+0.0013
10.330
1.012
1.240
0.094
0.98
20.8%
56.6%
18.3%
50
Todd Tichenor
4426
4135
285
93.4%
0.91
130
155
93.3%
+0.1%
119
69
58.0%
113.41
+5.59
+0.0013
13.426
1.115
1.572
0.138
1.38
22.6%
53.3%
16.6%
Showing 1–50 of 91
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