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Umpires
Umpire stats related to ABS challenges
2026
▼
Regular Season
▼
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%
Expected accuracy: the accuracy an average umpire would have on this umpire's exact pitch mix, based on pitch location difficulty.
AOE
▼
Accuracy over expected: actual accuracy minus expected accuracy. Positive means the umpire is more accurate than average on their pitch mix.
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
Louie Krupa
135
131
4
97.0%
1.13
3
1
93.4%
+3.6%
4
1
25.0%
2.36
+1.64
+0.0121
0.425
0.043
0.139
0.009
0.97
15.5%
63.6%
37.5%
2
Edwin Moscoso
925
881
44
95.2%
0.87
19
25
92.1%
+3.2%
25
11
44.0%
20.75
+4.25
+0.0046
2.426
0.141
0.307
0.021
0.89
17.5%
54.6%
17.3%
3
Jeremie Rehak
782
740
42
94.6%
0.90
19
23
91.8%
+2.8%
20
8
40.0%
14.52
+5.48
+0.0070
1.945
0.166
0.610
0.052
1.49
14.7%
55.5%
25.4%
4
John Tumpane
784
744
40
94.9%
0.83
25
15
92.2%
+2.7%
19
5
26.3%
17.46
+1.54
+0.0020
0.403
0.065
0.496
0.041
1.08
13.1%
53.9%
25.0%
5
Tripp Gibson
1000
944
56
94.4%
1.02
36
20
91.8%
+2.6%
24
12
50.0%
23.74
+0.26
+0.0003
2.321
0.212
0.291
0.022
1.06
14.6%
52.4%
17.3%
6
Derek Thomas
886
836
50
94.4%
0.93
31
19
91.8%
+2.6%
23
6
26.1%
17.25
+5.75
+0.0065
2.226
0.214
0.451
0.032
1.69
16.2%
48.8%
14.4%
7
Jansen Visconti
728
687
41
94.4%
0.87
23
18
91.8%
+2.6%
16
5
31.3%
15.68
+0.32
+0.0004
0.600
0.054
0.248
0.017
0.80
13.3%
63.3%
24.7%
8
Steven Jaschinski
179
166
13
92.7%
0.92
7
6
90.2%
+2.5%
7
4
57.1%
4.32
+2.68
+0.0150
0.900
0.095
0.099
0.008
1.21
14.8%
53.6%
17.1%
9
Willie Traynor
827
788
39
95.3%
0.85
16
23
92.8%
+2.5%
13
7
53.8%
17.08
-4.08
-0.0049
1.422
0.094
0.143
0.010
0.67
18.5%
52.4%
9.8%
10
Dexter Kelley
432
410
22
94.9%
1.13
10
12
92.5%
+2.5%
13
3
23.1%
8.98
+4.02
+0.0093
0.502
0.056
0.269
0.022
1.53
15.0%
49.6%
16.2%
11
Emil Jimenez
519
486
33
93.6%
1.03
15
18
91.3%
+2.4%
10
1
10.0%
10.58
-0.58
-0.0011
0.075
0.000
0.339
0.022
2.25
8.1%
42.3%
17.2%
12
Austin Jones
807
754
53
93.4%
0.81
26
27
91.1%
+2.3%
27
13
48.1%
18.39
+8.61
+0.0107
4.156
0.631
0.491
0.043
3.12
20.1%
47.3%
12.6%
13
Tyler Jones
288
273
15
94.8%
0.77
8
7
92.5%
+2.3%
8
4
50.0%
5.88
+2.12
+0.0074
0.397
0.032
0.212
0.019
1.49
18.3%
48.9%
20.9%
14
Adam Beck
975
920
55
94.4%
0.86
25
30
92.2%
+2.1%
25
11
44.0%
22.92
+2.08
+0.0021
1.757
0.150
0.309
0.020
0.87
16.3%
51.7%
19.4%
15
Alex Tosi
846
794
52
93.8%
0.81
29
23
91.8%
+2.1%
27
12
44.4%
18.39
+8.61
+0.0102
1.897
0.162
0.438
0.038
1.33
16.4%
53.9%
19.6%
16
Clint Vondrak
660
621
39
94.1%
1.16
19
20
92.0%
+2.1%
10
7
70.0%
15.30
-5.30
-0.0080
0.845
0.074
0.047
0.003
0.70
18.3%
68.7%
19.1%
17
Alan Porter
831
780
51
93.9%
0.80
28
23
91.8%
+2.1%
17
8
47.1%
17.44
-0.44
-0.0005
2.708
0.217
0.286
0.025
1.64
18.4%
51.3%
19.6%
18
Chad Fairchild
956
900
56
94.1%
1.14
33
23
92.2%
+2.0%
23
15
65.2%
20.54
+2.46
+0.0026
1.848
0.155
0.179
0.009
0.57
15.9%
58.4%
24.6%
19
Alex MacKay
788
739
49
93.8%
0.91
28
21
91.8%
+2.0%
21
9
42.9%
19.61
+1.39
+0.0018
2.111
0.231
0.151
0.015
2.43
20.4%
50.3%
11.8%
20
Adam Hamari
763
715
48
93.7%
0.84
24
24
91.7%
+2.0%
15
8
53.3%
18.47
-3.47
-0.0046
3.503
0.477
0.210
0.017
3.16
24.2%
43.6%
12.9%
21
Ramon De Jesus
458
429
29
93.7%
1.15
16
13
91.8%
+1.9%
18
7
38.9%
11.20
+6.80
+0.0149
0.815
0.086
0.316
0.031
1.10
11.9%
61.0%
20.3%
22
Chris Conroy
821
768
53
93.5%
0.80
24
29
91.6%
+1.9%
21
9
42.9%
19.20
+1.80
+0.0022
1.643
0.205
0.340
0.034
1.37
17.5%
52.9%
18.0%
23
John Libka
860
812
48
94.4%
0.80
29
19
92.6%
+1.8%
16
6
37.5%
18.44
-2.44
-0.0028
1.778
0.144
0.205
0.017
0.85
13.3%
60.0%
18.5%
24
Felix Neon
160
147
13
91.9%
1.07
6
7
90.1%
+1.8%
3
3
100.0%
4.45
-1.45
-0.0091
0.347
0.019
0.000
0.000
0.41
9.9%
62.0%
12.4%
25
Erich Bacchus
927
863
64
93.1%
1.31
38
26
91.3%
+1.8%
14
3
21.4%
24.66
-10.66
-0.0115
0.298
0.043
0.356
0.034
2.30
16.6%
50.2%
14.0%
26
Carlos Torres
883
820
63
92.9%
0.96
27
36
91.1%
+1.8%
22
12
54.5%
22.21
-0.21
-0.0002
1.805
0.121
0.333
0.023
1.30
17.7%
52.1%
23.7%
27
Mark Wegner
947
882
65
93.1%
0.92
42
23
91.4%
+1.8%
21
13
61.9%
24.12
-3.12
-0.0033
1.735
0.204
0.228
0.023
1.31
16.8%
59.8%
28.8%
28
Alfonso Márquez
867
814
53
93.9%
1.00
25
28
92.1%
+1.8%
19
11
57.9%
18.29
+0.71
+0.0008
0.927
0.114
0.240
0.022
0.98
14.8%
67.4%
25.2%
29
Junior Valentine
767
724
43
94.4%
0.86
25
18
92.7%
+1.7%
15
10
66.7%
17.09
-2.09
-0.0027
1.832
0.186
0.064
0.005
2.13
20.0%
50.1%
7.3%
30
Quinn Wolcott
1123
1054
69
93.9%
0.93
37
32
92.1%
+1.7%
26
10
38.5%
27.34
-1.34
-0.0012
1.350
0.115
0.289
0.030
1.93
14.5%
53.8%
15.9%
31
Ryan Additon
980
913
67
93.2%
0.74
29
38
91.5%
+1.7%
28
11
39.3%
20.15
+7.85
+0.0080
1.570
0.201
0.547
0.046
1.22
16.2%
57.4%
17.3%
32
Dan Merzel
729
676
53
92.7%
0.91
26
27
91.1%
+1.7%
22
11
50.0%
16.53
+5.47
+0.0075
1.752
0.229
0.380
0.038
1.53
17.9%
54.5%
18.0%
33
Mark Ripperger
959
900
59
93.8%
0.99
30
29
92.2%
+1.7%
26
12
46.2%
21.85
+4.15
+0.0043
2.258
0.266
0.411
0.041
1.19
18.2%
57.9%
20.6%
34
Todd Tichenor
983
912
71
92.8%
0.86
37
34
91.2%
+1.6%
22
15
68.2%
24.72
-2.72
-0.0028
3.058
0.313
0.181
0.015
1.52
20.6%
55.5%
17.1%
35
Ryan Wills
893
840
53
94.1%
1.00
26
27
92.5%
+1.6%
27
16
59.3%
20.32
+6.68
+0.0075
2.831
0.140
0.212
0.021
0.79
16.7%
59.1%
13.0%
36
Edwin Jimenez
450
423
27
94.0%
0.97
15
12
92.4%
+1.6%
7
3
42.9%
10.95
-3.95
-0.0088
0.494
0.077
0.082
0.007
1.14
22.3%
65.5%
17.3%
37
Malachi Moore
1059
984
75
92.9%
1.01
43
32
91.4%
+1.5%
27
13
48.1%
28.39
-1.39
-0.0013
3.037
0.222
0.174
0.013
1.33
19.8%
48.9%
9.9%
38
Gabe Morales
939
883
56
94.0%
1.13
37
19
92.5%
+1.5%
19
10
52.6%
20.00
-1.00
-0.0011
1.239
0.166
0.155
0.007
0.99
18.6%
61.6%
14.7%
39
Bruce Dreckman
1068
990
78
92.7%
1.03
49
29
91.3%
+1.4%
34
19
55.9%
24.18
+9.82
+0.0092
3.400
0.307
0.403
0.028
1.14
18.2%
56.2%
18.7%
40
D.J. Reyburn
914
854
60
93.4%
1.09
38
22
92.0%
+1.4%
28
16
57.1%
21.97
+6.03
+0.0066
3.370
0.436
0.308
0.027
1.74
20.0%
51.8%
12.1%
41
Charlie Ramos
878
818
60
93.2%
1.01
32
28
91.8%
+1.4%
30
19
63.3%
20.22
+9.78
+0.0111
2.584
0.257
0.466
0.045
1.17
18.8%
57.7%
22.1%
42
Scott Barry
684
633
51
92.5%
0.94
28
23
91.2%
+1.4%
15
10
66.7%
18.25
-3.25
-0.0047
1.317
0.152
0.078
0.008
1.11
19.5%
61.9%
19.5%
43
Will Little
1111
1032
79
92.9%
0.81
37
42
91.6%
+1.3%
31
12
38.7%
23.38
+7.62
+0.0069
1.877
0.244
0.823
0.078
1.28
15.0%
54.6%
17.5%
44
James Jean
775
729
46
94.1%
0.86
25
21
92.8%
+1.3%
15
7
46.7%
15.80
-0.80
-0.0010
0.848
0.071
0.276
0.023
0.75
15.9%
61.8%
23.8%
45
Nick Mahrley
715
672
43
94.0%
1.15
22
21
92.7%
+1.3%
19
11
57.9%
15.31
+3.69
+0.0052
1.997
0.142
0.252
0.017
0.79
20.1%
57.8%
15.7%
46
James Hoye
731
679
52
92.9%
0.83
24
28
91.6%
+1.3%
19
10
52.6%
17.69
+1.31
+0.0018
1.381
0.183
0.191
0.011
1.42
19.1%
57.6%
15.0%
47
Vic Carapazza
1240
1155
85
93.2%
0.89
46
39
91.9%
+1.3%
32
16
50.0%
30.71
+1.29
+0.0010
3.158
0.268
0.395
0.031
1.31
16.2%
56.5%
20.3%
48
Mike Muchlinski
872
817
55
93.7%
0.98
26
29
92.4%
+1.3%
23
14
60.9%
17.89
+5.11
+0.0059
2.659
0.184
0.385
0.022
0.69
17.3%
59.2%
24.0%
49
Nestor Ceja
838
783
55
93.4%
0.89
29
26
92.2%
+1.2%
23
12
52.2%
17.49
+5.51
+0.0066
1.790
0.234
0.272
0.023
1.25
15.0%
56.0%
19.4%
50
Jim Wolf
574
532
42
92.7%
0.75
25
17
91.5%
+1.2%
13
9
69.2%
13.22
-0.22
-0.0004
1.853
0.064
0.026
0.002
0.56
21.4%
51.5%
13.1%
Showing 1–50 of 89
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