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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
935
894
41
95.6%
0.74
30
11
94.1%
+1.6%
16
6
37.5%
19.17
-3.17
-0.0034
0.836
0.046
0.369
0.026
1.18
17.1%
50.1%
17.6%
2
Edwin Moscoso
2802
2662
140
95.0%
0.92
57
83
94.0%
+1.0%
78
38
48.7%
65.28
+12.72
+0.0045
6.300
0.556
0.952
0.065
1.08
21.3%
54.6%
16.9%
3
Mark Ripperger
2969
2818
151
94.9%
0.95
75
76
93.9%
+1.0%
78
34
43.6%
69.02
+8.98
+0.0030
7.830
0.611
1.195
0.097
1.51
21.8%
53.1%
15.7%
4
Jansen Visconti
2421
2294
127
94.8%
0.91
57
70
93.6%
+1.1%
64
29
45.3%
54.65
+9.35
+0.0039
3.859
0.443
0.891
0.071
1.08
16.8%
60.9%
21.3%
5
Nate Tomlinson
2795
2643
152
94.6%
0.80
73
79
93.8%
+0.7%
62
31
50.0%
64.40
-2.40
-0.0009
6.972
0.701
1.040
0.078
1.30
23.4%
53.6%
18.1%
6
Louie Krupa
1195
1130
65
94.6%
0.79
27
38
93.4%
+1.1%
36
12
33.3%
27.11
+8.89
+0.0074
2.325
0.159
0.681
0.045
0.93
17.6%
55.1%
18.1%
7
Adam Hamari
2940
2778
162
94.5%
0.83
74
88
93.3%
+1.2%
62
30
48.4%
74.89
-12.89
-0.0044
7.282
0.866
0.833
0.073
2.29
24.6%
50.1%
15.3%
8
Junior Valentine
2867
2709
158
94.5%
0.91
84
74
94.1%
+0.4%
71
39
54.9%
70.13
+0.87
+0.0003
8.878
0.684
0.525
0.045
1.37
23.5%
51.0%
12.7%
9
Tripp Gibson
2897
2736
161
94.4%
0.93
86
75
93.4%
+1.0%
64
32
50.0%
75.03
-11.03
-0.0038
5.110
0.498
0.864
0.072
1.26
18.2%
53.8%
16.7%
10
Nestor Ceja
2799
2643
156
94.4%
0.84
81
75
93.9%
+0.5%
76
39
51.3%
63.29
+12.71
+0.0045
7.842
0.921
0.804
0.063
1.48
20.9%
55.3%
15.3%
11
Gabe Morales
2521
2380
141
94.4%
1.03
91
50
93.8%
+0.7%
65
34
52.3%
63.43
+1.57
+0.0006
6.215
0.825
0.522
0.041
1.48
23.5%
61.0%
13.6%
12
Dan Merzel
2752
2597
155
94.4%
0.82
75
80
93.7%
+0.7%
79
42
53.2%
64.12
+14.88
+0.0054
7.511
0.806
1.002
0.094
1.39
22.4%
55.9%
17.3%
13
Mark Wegner
3076
2902
174
94.3%
1.02
89
85
93.8%
+0.5%
76
36
47.4%
73.17
+2.83
+0.0009
5.699
0.573
1.359
0.108
1.25
19.7%
54.4%
22.8%
14
Dexter Kelley
1496
1411
85
94.3%
1.02
51
34
93.2%
+1.1%
44
16
36.4%
37.13
+6.87
+0.0046
3.081
0.421
0.697
0.055
1.66
19.4%
53.9%
17.5%
15
Chris Conroy
2438
2299
139
94.3%
0.76
65
74
93.1%
+1.2%
60
28
46.7%
60.98
-0.98
-0.0004
5.966
0.455
0.912
0.075
1.04
20.9%
53.2%
17.8%
16
Derek Thomas
1937
1826
111
94.3%
0.96
55
56
93.1%
+1.2%
52
18
34.6%
43.31
+8.69
+0.0045
3.448
0.320
1.083
0.076
1.22
16.0%
55.1%
17.9%
17
Austin Jones
2177
2052
125
94.3%
0.79
64
61
93.4%
+0.8%
56
25
44.6%
51.20
+4.80
+0.0022
6.540
0.874
1.064
0.088
2.33
24.0%
48.5%
14.9%
18
Willie Traynor
3101
2920
181
94.2%
0.95
57
124
93.9%
+0.3%
66
40
60.6%
78.22
-12.22
-0.0039
6.317
0.550
0.550
0.038
0.84
21.4%
57.1%
15.0%
19
Brock Ballou
1909
1797
112
94.1%
0.80
52
60
93.5%
+0.7%
58
32
55.2%
47.86
+10.14
+0.0053
4.683
0.544
0.848
0.085
1.96
20.0%
53.4%
17.4%
20
Vic Carapazza
3205
3016
189
94.1%
0.92
93
96
93.6%
+0.5%
77
37
48.1%
82.77
-5.77
-0.0018
6.798
0.578
1.161
0.086
1.19
20.2%
55.3%
18.2%
21
Shane Livensparger
2354
2215
139
94.1%
1.03
69
70
93.7%
+0.4%
64
29
45.3%
58.23
+5.77
+0.0025
5.483
0.570
0.982
0.075
1.53
20.2%
53.3%
18.1%
22
Quinn Wolcott
3094
2911
183
94.1%
0.92
95
88
93.7%
+0.4%
79
37
46.8%
77.98
+1.02
+0.0003
7.101
0.603
1.035
0.085
1.43
22.9%
53.3%
17.2%
23
Jeremie Rehak
2794
2629
165
94.1%
0.94
95
70
93.3%
+0.8%
76
39
51.3%
62.68
+13.32
+0.0048
7.543
0.699
1.327
0.100
1.08
18.7%
59.1%
22.6%
24
John Libka
2383
2242
141
94.1%
0.81
67
74
93.7%
+0.4%
46
19
41.3%
59.50
-13.50
-0.0057
4.613
0.359
0.696
0.063
1.36
19.5%
55.4%
19.8%
25
James Jean
2480
2333
147
94.1%
0.82
63
84
93.7%
+0.4%
55
23
41.8%
58.21
-3.21
-0.0013
3.109
0.323
1.128
0.105
1.02
19.1%
61.3%
25.1%
26
John Tumpane
2717
2556
146
94.1%
0.99
80
66
93.7%
+0.4%
76
40
52.6%
72.18
+3.82
+0.0014
6.790
0.788
0.841
0.072
1.29
21.6%
58.5%
20.0%
27
Brian Walsh
2362
2222
140
94.1%
1.09
79
61
93.6%
+0.5%
76
48
63.2%
57.98
+18.02
+0.0076
5.436
0.527
0.813
0.070
0.96
21.7%
61.0%
20.4%
28
Tyler Jones
1802
1695
107
94.1%
0.84
48
59
93.4%
+0.6%
52
26
50.0%
44.86
+7.14
+0.0040
4.411
0.438
1.034
0.101
1.70
25.3%
55.7%
21.6%
29
Alex MacKay
2810
2642
164
94.0%
0.94
77
87
93.6%
+0.4%
80
48
60.0%
76.06
+3.94
+0.0014
11.237
1.195
0.696
0.062
1.84
27.6%
51.1%
15.3%
30
James Hoye
2773
2607
166
94.0%
0.85
82
84
93.4%
+0.6%
74
35
47.3%
63.79
+10.21
+0.0037
5.771
0.580
1.107
0.090
1.26
19.7%
54.9%
17.3%
31
Alex Tosi
2603
2447
156
94.0%
0.77
85
71
93.5%
+0.5%
62
27
43.5%
60.09
+1.91
+0.0007
4.795
0.503
0.982
0.085
1.24
19.5%
54.9%
18.9%
32
Steven Jaschinski
1428
1342
86
94.0%
0.72
48
38
93.4%
+0.5%
44
22
50.0%
33.80
+10.20
+0.0071
4.616
0.446
0.637
0.050
1.17
18.6%
55.9%
17.0%
33
Edwin Jimenez
1312
1233
79
94.0%
0.88
46
33
93.6%
+0.4%
28
11
39.3%
31.53
-3.53
-0.0027
2.246
0.230
0.458
0.038
1.36
21.1%
56.1%
17.3%
34
Ben May
2574
2418
156
93.9%
0.90
94
62
93.7%
+0.3%
56
30
53.6%
57.92
-1.92
-0.0007
6.210
0.817
0.741
0.062
1.25
20.6%
56.6%
18.4%
35
Will Little
2799
2628
160
93.9%
0.87
82
78
93.5%
+0.4%
74
32
43.2%
64.69
+9.31
+0.0033
5.633
0.705
1.486
0.139
1.40
21.7%
55.5%
17.5%
36
Erich Bacchus
2776
2606
170
93.9%
1.15
83
87
93.5%
+0.3%
57
27
47.4%
76.01
-19.01
-0.0068
4.737
0.442
0.968
0.091
1.64
22.6%
56.0%
18.3%
37
Ramon De Jesus
2448
2296
152
93.8%
1.06
85
67
93.9%
-0.1%
79
45
57.0%
63.84
+15.16
+0.0062
7.140
0.619
1.027
0.086
0.91
21.3%
58.0%
18.8%
38
Jonathan Parra
1345
1260
85
93.7%
0.86
40
45
93.8%
-0.2%
32
14
43.8%
32.25
-0.25
-0.0002
2.847
0.317
0.819
0.060
1.60
21.9%
50.1%
15.9%
39
Chris Guccione
2766
2591
169
93.7%
1.06
72
97
93.8%
-0.1%
87
48
55.2%
68.80
+18.20
+0.0066
7.398
0.758
1.087
0.080
1.28
21.9%
55.8%
17.3%
40
David Rackley
2877
2694
183
93.6%
1.14
113
70
93.9%
-0.3%
72
32
44.4%
68.55
+3.45
+0.0012
3.887
0.298
1.127
0.090
0.94
17.3%
58.0%
18.8%
41
Scott Barry
2244
2101
143
93.6%
1.03
77
66
93.7%
-0.1%
50
19
38.0%
52.11
-2.11
-0.0009
2.796
0.254
1.123
0.102
1.03
18.7%
60.0%
24.6%
42
Ryan Wills
2713
2539
174
93.6%
0.93
81
93
93.5%
+0.1%
77
38
49.4%
67.95
+9.05
+0.0033
6.682
0.558
1.215
0.110
1.13
21.4%
57.7%
18.6%
43
Nic Lentz
2967
2775
192
93.5%
1.10
74
118
93.6%
-0.1%
79
32
40.5%
69.84
+9.16
+0.0031
6.595
0.526
1.799
0.163
1.34
20.2%
54.8%
21.0%
44
Mike Muchlinski
2783
2603
180
93.5%
1.15
118
62
93.7%
-0.2%
68
38
55.9%
64.64
+3.36
+0.0012
7.004
0.481
0.854
0.059
0.97
20.1%
57.5%
20.0%
45
Cory Blaser
2406
2250
156
93.5%
0.99
86
70
93.6%
-0.1%
70
42
60.0%
65.73
+4.27
+0.0018
7.143
0.899
0.566
0.042
1.34
22.5%
58.4%
18.5%
46
D.J. Reyburn
2283
2135
148
93.5%
1.04
85
63
93.7%
-0.2%
70
35
50.0%
61.09
+8.91
+0.0039
5.563
0.698
0.805
0.072
1.65
23.1%
55.1%
16.1%
47
Tom Hanahan
2884
2696
188
93.5%
0.85
96
92
93.3%
+0.1%
74
38
51.4%
67.43
+6.57
+0.0023
6.580
0.545
1.411
0.127
1.09
18.2%
55.0%
19.9%
48
Dan Bellino
2668
2494
174
93.5%
1.07
85
89
93.4%
+0.1%
78
47
60.3%
73.37
+4.63
+0.0017
7.127
0.602
0.771
0.066
0.96
23.6%
56.8%
20.1%
49
Adam Beck
3017
2820
197
93.5%
0.95
92
105
93.4%
+0.1%
85
40
47.1%
80.78
+4.22
+0.0014
7.252
0.701
1.359
0.121
1.16
20.3%
52.5%
18.5%
50
Doug Eddings
2774
2589
185
93.3%
1.17
129
56
93.9%
-0.6%
73
41
56.2%
69.04
+3.96
+0.0014
7.341
0.612
0.821
0.060
1.06
20.4%
56.5%
19.0%
Showing 1–50 of 91
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