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Umpires
Umpire stats related to ABS challenges
2026
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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
CB Bucknor
231
204
27
88.3%
1.36
17
10
92.0%
-3.7%
8
6
75.0%
5.84
+2.16
+0.0093
2.131
0.127
0.157
0.011
1.41
29.5%
45.5%
7.8%
2
Ron Kulpa
649
592
57
91.2%
1.26
28
29
92.1%
-0.9%
24
15
62.5%
24.34
-0.34
-0.0005
1.947
0.173
0.214
0.021
1.13
25.5%
57.0%
19.8%
3
Hunter Wendelstedt
1539
1414
125
91.9%
1.31
71
54
92.4%
-0.5%
60
39
65.0%
52.37
+7.63
+0.0050
6.847
0.726
0.293
0.025
1.50
28.7%
56.0%
14.3%
4
Jacob Metz
774
705
69
91.1%
1.03
52
17
91.5%
-0.4%
30
20
66.7%
21.94
+8.06
+0.0104
3.220
0.362
0.321
0.032
1.29
25.4%
55.6%
17.8%
5
John Bacon
1087
994
93
91.4%
1.14
58
35
91.7%
-0.3%
44
27
61.4%
31.71
+12.29
+0.0113
4.748
0.529
0.694
0.069
1.33
26.6%
58.9%
23.7%
6
Stu Scheurwater
1316
1216
100
92.4%
1.09
54
46
92.7%
-0.3%
37
24
64.9%
38.89
-1.89
-0.0014
5.375
0.491
0.387
0.036
1.39
25.8%
52.3%
15.2%
7
Brian O'Nora
1325
1216
109
91.8%
0.98
67
42
91.9%
-0.1%
38
19
50.0%
36.88
+1.12
+0.0008
2.465
0.281
0.571
0.051
1.16
19.4%
60.7%
20.2%
8
Laz Diaz
1875
1740
135
92.8%
1.09
71
64
92.8%
-0.1%
58
31
53.4%
49.97
+8.03
+0.0043
5.187
0.551
0.917
0.074
1.35
23.5%
52.6%
19.1%
9
Roberto Ortiz
1329
1223
106
92.0%
1.16
54
52
92.0%
-0.0%
39
24
61.5%
40.72
-1.72
-0.0013
3.916
0.469
0.541
0.036
1.34
27.0%
55.1%
13.9%
10
Dan Iassogna
1686
1553
133
92.1%
1.15
74
59
92.1%
-0.0%
52
30
57.7%
48.06
+3.94
+0.0023
6.012
0.661
0.642
0.052
1.42
27.7%
53.5%
17.7%
11
Jen Pawol
785
716
69
91.2%
0.95
37
32
91.2%
+0.0%
22
11
50.0%
22.23
-0.23
-0.0003
1.374
0.114
0.413
0.023
1.60
19.3%
58.1%
25.4%
12
Felix Neon
302
276
26
91.4%
1.16
13
13
91.4%
+0.0%
15
12
80.0%
11.49
+3.51
+0.0116
2.084
0.252
0.065
0.007
1.42
29.7%
53.5%
16.1%
13
Paul Clemons
1406
1299
107
92.4%
1.29
66
41
92.3%
+0.1%
33
21
63.6%
41.07
-8.07
-0.0057
2.778
0.291
0.313
0.029
1.00
24.9%
59.2%
19.4%
14
Chris Segal
1459
1341
118
91.9%
1.06
74
44
91.8%
+0.1%
51
35
68.6%
44.97
+6.03
+0.0041
8.329
0.882
0.450
0.038
1.84
29.8%
53.1%
15.7%
15
Rob Drake
1547
1430
117
92.4%
1.06
74
43
92.3%
+0.1%
45
26
57.8%
42.31
+2.69
+0.0017
3.680
0.356
0.652
0.066
1.78
26.6%
53.5%
14.4%
16
Adrian Johnson
1157
1066
91
92.1%
1.08
60
31
91.8%
+0.3%
37
22
59.5%
33.90
+3.10
+0.0027
3.455
0.346
0.465
0.044
1.75
27.2%
55.3%
21.2%
17
Sean Barber
1699
1563
136
92.0%
0.92
73
63
91.7%
+0.3%
53
30
56.6%
48.49
+4.51
+0.0027
6.419
0.618
0.751
0.072
1.50
23.9%
52.9%
18.0%
18
Brennan Miller
1629
1511
118
92.8%
1.09
63
55
92.3%
+0.4%
38
18
47.4%
48.34
-10.34
-0.0064
3.489
0.337
0.502
0.050
1.25
23.8%
56.0%
13.7%
19
Doug Eddings
1697
1577
120
92.9%
1.21
81
39
92.5%
+0.5%
46
28
60.9%
48.28
-2.28
-0.0013
5.544
0.346
0.413
0.032
0.94
24.3%
54.6%
18.7%
20
Mike Estabrook
1769
1634
135
92.4%
1.04
72
63
91.8%
+0.5%
52
32
61.5%
50.29
+1.71
+0.0010
5.867
0.475
0.822
0.068
1.03
23.1%
55.4%
20.2%
21
Andy Fletcher
1216
1124
92
92.4%
1.07
47
45
91.9%
+0.5%
34
26
76.5%
36.61
-2.61
-0.0021
5.838
0.333
0.380
0.035
0.95
29.7%
50.5%
18.2%
22
Nick Mahrley
1349
1254
95
93.0%
1.00
55
40
92.4%
+0.6%
31
16
51.6%
35.59
-4.59
-0.0034
2.996
0.225
0.502
0.030
1.00
24.1%
55.1%
16.6%
23
Lance Barrett
1882
1740
142
92.5%
1.01
82
60
91.9%
+0.6%
57
34
59.6%
55.67
+1.33
+0.0007
5.479
0.527
0.542
0.044
1.24
26.1%
54.8%
18.8%
24
Emil Jimenez
1480
1367
113
92.4%
1.13
68
45
91.8%
+0.6%
39
15
38.5%
37.13
+1.87
+0.0013
1.808
0.126
0.686
0.046
1.13
14.7%
53.6%
18.0%
25
Manny Gonzalez
1767
1633
134
92.4%
1.08
84
50
91.8%
+0.6%
63
39
61.9%
46.24
+16.76
+0.0095
6.438
0.570
0.656
0.047
1.01
23.1%
56.3%
15.7%
26
Steven Jaschinski
584
540
44
92.5%
0.81
27
17
91.8%
+0.7%
20
9
45.0%
16.06
+3.94
+0.0067
1.907
0.189
0.356
0.029
0.99
17.2%
59.1%
21.8%
27
Ryan Blakney
1514
1405
109
92.8%
0.90
55
54
92.1%
+0.7%
44
24
54.5%
44.60
-0.60
-0.0004
5.242
0.427
0.650
0.055
1.33
21.7%
56.3%
21.3%
28
Jordan Baker
1724
1604
120
93.0%
1.32
68
52
92.3%
+0.8%
42
18
42.9%
50.05
-8.05
-0.0047
2.657
0.248
0.675
0.039
0.78
19.1%
55.3%
16.5%
29
Ramon De Jesus
1027
961
66
93.6%
1.24
41
25
92.8%
+0.8%
35
20
57.1%
30.25
+4.75
+0.0046
2.657
0.279
0.440
0.041
1.02
22.3%
59.1%
20.6%
30
Shane Livensparger
1370
1280
90
93.4%
1.10
46
44
92.6%
+0.8%
36
17
47.2%
36.60
-0.60
-0.0004
2.889
0.349
0.518
0.043
1.44
21.8%
54.8%
17.3%
31
Chad Whitson
1434
1340
94
93.4%
1.07
61
33
92.6%
+0.9%
45
27
60.0%
38.82
+6.18
+0.0043
5.519
0.548
0.323
0.020
1.29
24.7%
56.0%
13.2%
32
Alfonso Márquez
1526
1423
103
93.3%
0.96
56
47
92.4%
+0.9%
37
22
59.5%
39.08
-2.08
-0.0014
2.665
0.267
0.470
0.035
0.88
21.7%
64.8%
23.6%
33
Marvin Hudson
1567
1458
109
93.0%
1.13
70
39
92.1%
+0.9%
33
18
54.5%
41.44
-8.44
-0.0054
4.153
0.388
0.426
0.043
1.60
24.5%
51.3%
15.6%
34
D.J. Reyburn
1414
1315
99
93.0%
1.01
61
38
92.1%
+0.9%
41
21
51.2%
41.51
-0.51
-0.0004
4.054
0.513
0.430
0.037
1.80
25.9%
52.0%
12.0%
35
Chad Fairchild
1580
1468
112
92.9%
1.06
64
48
92.0%
+0.9%
41
24
58.5%
45.51
-4.51
-0.0029
3.575
0.279
0.394
0.019
0.87
23.6%
55.5%
21.4%
36
Jim Wolf
1170
1090
80
93.2%
0.89
43
37
92.2%
+1.0%
33
20
60.6%
32.62
+0.38
+0.0003
6.150
0.493
0.263
0.014
1.19
28.5%
53.0%
16.4%
37
David Rackley
1695
1587
108
93.6%
1.14
68
40
92.6%
+1.0%
45
17
37.8%
40.86
+4.14
+0.0024
1.809
0.145
0.842
0.070
0.97
16.7%
58.8%
19.8%
38
Malachi Moore
1906
1764
142
92.5%
1.00
80
62
91.5%
+1.1%
51
29
56.9%
56.01
-5.01
-0.0026
5.763
0.482
0.390
0.034
1.11
23.3%
53.4%
13.8%
39
Bruce Dreckman
1773
1643
130
92.7%
1.02
80
50
91.6%
+1.1%
51
26
51.0%
47.46
+3.54
+0.0020
4.472
0.403
0.489
0.032
1.17
23.1%
56.4%
15.8%
40
Lance Barksdale
1646
1532
114
93.1%
0.90
65
49
92.0%
+1.1%
42
19
45.2%
45.05
-3.05
-0.0019
3.708
0.332
0.841
0.063
1.50
21.0%
50.7%
17.8%
41
Dan Bellino
1566
1458
108
93.1%
1.06
49
59
92.0%
+1.1%
49
27
55.1%
47.70
+1.30
+0.0008
3.870
0.382
0.480
0.036
0.93
23.3%
57.9%
20.8%
42
Clint Vondrak
1363
1274
89
93.5%
1.10
41
48
92.3%
+1.2%
24
16
66.7%
41.33
-17.33
-0.0127
2.759
0.254
0.147
0.010
0.95
25.8%
62.0%
21.6%
43
Bill Miller
1805
1680
125
93.1%
0.92
73
52
91.8%
+1.2%
47
26
55.3%
52.52
-5.52
-0.0031
6.972
0.596
0.544
0.043
1.62
24.3%
53.5%
20.5%
44
Scott Barry
1402
1304
98
93.0%
1.05
57
41
91.8%
+1.3%
37
16
43.2%
36.61
+0.39
+0.0003
1.957
0.188
0.513
0.047
0.97
20.3%
60.0%
21.7%
45
Todd Tichenor
1673
1545
128
92.3%
0.96
68
60
91.1%
+1.3%
43
29
67.4%
51.39
-8.39
-0.0050
6.499
0.483
0.358
0.031
1.42
27.3%
51.4%
13.8%
46
Nic Lentz
1792
1672
120
93.3%
1.08
53
67
92.0%
+1.3%
56
24
42.9%
45.27
+10.73
+0.0060
5.364
0.359
1.228
0.106
1.24
20.9%
56.0%
21.7%
47
Brian Walsh
1237
1155
82
93.4%
1.22
47
35
92.1%
+1.3%
42
28
66.7%
36.92
+5.08
+0.0041
3.095
0.293
0.360
0.036
1.02
27.0%
60.2%
21.3%
48
Mike Muchlinski
1836
1725
111
94.0%
0.95
69
42
92.7%
+1.3%
46
25
54.3%
41.59
+4.41
+0.0024
4.289
0.308
0.708
0.049
0.93
20.6%
57.6%
21.3%
49
Chris Guccione
1653
1544
109
93.4%
1.05
56
53
92.1%
+1.3%
53
27
50.9%
43.85
+9.15
+0.0055
4.863
0.490
0.666
0.050
1.31
22.8%
54.5%
15.9%
50
Cory Blaser
1289
1200
89
93.1%
0.98
55
34
91.8%
+1.3%
39
23
59.0%
37.54
+1.46
+0.0011
3.940
0.483
0.331
0.025
1.30
23.5%
60.3%
22.6%
Showing 1–50 of 91
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