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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
Jeremie Rehak
921
872
49
94.7%
1.09
22
27
91.6%
+3.1%
26
11
42.3%
18.07
+7.93
+0.0086
2.934
0.229
0.732
0.061
1.40
16.6%
54.2%
25.8%
3
John Tumpane
1160
1106
54
95.3%
0.84
30
24
92.4%
+2.9%
27
8
29.6%
24.27
+2.73
+0.0024
0.874
0.134
0.561
0.046
1.07
13.4%
56.1%
21.0%
4
Edwin Moscoso
1204
1146
58
95.2%
0.89
26
32
92.3%
+2.9%
36
16
44.4%
26.36
+9.64
+0.0080
3.019
0.220
0.478
0.027
1.07
17.3%
55.5%
18.2%
5
Tripp Gibson
1246
1178
68
94.5%
1.00
40
28
91.9%
+2.7%
30
16
53.3%
29.16
+0.84
+0.0007
2.894
0.308
0.329
0.026
1.09
14.8%
55.2%
16.8%
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
Austin Jones
976
913
63
93.5%
0.78
30
33
91.0%
+2.6%
29
13
44.8%
21.71
+7.29
+0.0075
4.156
0.631
0.649
0.053
3.05
20.4%
46.4%
13.1%
8
Jansen Visconti
1000
946
54
94.6%
0.92
30
24
92.0%
+2.6%
23
9
39.1%
20.30
+2.70
+0.0027
1.142
0.146
0.250
0.017
1.20
12.9%
60.7%
19.4%
9
Alex MacKay
1087
1020
67
93.8%
0.89
38
29
91.4%
+2.5%
30
15
50.0%
26.83
+3.17
+0.0029
3.728
0.412
0.198
0.020
2.24
19.0%
49.2%
12.8%
10
Dan Merzel
894
836
58
93.5%
0.87
28
30
91.1%
+2.4%
27
13
48.1%
19.17
+7.83
+0.0088
2.000
0.263
0.454
0.043
1.37
16.8%
54.3%
19.2%
11
Adam Beck
1254
1178
76
93.9%
0.88
36
40
91.6%
+2.4%
30
13
43.3%
31.23
-1.23
-0.0010
2.020
0.172
0.328
0.022
0.79
16.3%
53.4%
18.6%
12
Chris Conroy
1068
1004
64
94.0%
0.80
32
32
91.8%
+2.3%
27
12
44.4%
24.66
+2.34
+0.0022
2.292
0.258
0.418
0.040
1.26
17.9%
53.0%
17.5%
13
Alex Tosi
966
906
60
93.8%
0.76
33
27
91.6%
+2.2%
29
13
44.8%
21.44
+7.56
+0.0078
2.011
0.195
0.483
0.042
1.35
16.7%
53.9%
19.6%
14
Edwin Jimenez
602
571
31
94.8%
0.96
19
12
92.6%
+2.2%
10
3
30.0%
14.14
-4.14
-0.0069
0.494
0.077
0.170
0.015
1.35
20.2%
62.8%
17.3%
15
Tyler Jones
423
399
24
94.3%
0.69
12
12
92.1%
+2.2%
10
5
50.0%
9.66
+0.34
+0.0008
1.354
0.158
0.240
0.022
2.07
20.0%
48.0%
20.4%
16
Mark Ripperger
1254
1186
68
94.6%
1.03
34
34
92.4%
+2.2%
31
14
45.2%
27.14
+3.86
+0.0031
2.719
0.277
0.540
0.046
1.05
18.2%
57.4%
20.5%
17
Adam Hamari
1151
1077
74
93.6%
0.76
40
34
91.6%
+1.9%
24
12
50.0%
27.00
-3.00
-0.0026
4.162
0.539
0.292
0.025
2.71
20.4%
48.1%
12.2%
18
Dexter Kelley
575
538
37
93.6%
1.05
21
16
91.6%
+1.9%
17
4
23.5%
14.65
+2.35
+0.0041
1.459
0.208
0.300
0.025
2.62
17.4%
46.0%
12.7%
19
Nestor Ceja
1109
1043
66
94.0%
0.95
35
31
92.2%
+1.9%
29
16
55.2%
22.85
+6.15
+0.0055
2.013
0.258
0.273
0.023
1.06
14.9%
60.5%
18.3%
20
Gabe Morales
1189
1120
69
94.2%
1.05
43
26
92.4%
+1.8%
30
15
50.0%
26.15
+3.85
+0.0032
1.791
0.234
0.298
0.019
0.90
17.8%
62.6%
15.9%
21
Brock Ballou
720
674
46
93.6%
0.76
23
23
91.8%
+1.8%
17
10
58.8%
17.02
-0.02
-0.0000
1.107
0.113
0.214
0.023
1.83
17.3%
55.9%
20.4%
22
Mark Wegner
1279
1197
82
93.6%
0.86
53
29
91.8%
+1.8%
27
15
55.6%
28.91
-1.91
-0.0015
1.998
0.228
0.319
0.026
1.37
15.6%
58.0%
26.4%
23
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%
24
Chad Fairchild
1087
1023
64
94.1%
1.10
39
25
92.4%
+1.7%
27
16
59.3%
23.00
+4.00
+0.0037
2.043
0.197
0.246
0.011
0.67
15.4%
58.7%
23.4%
25
Todd Tichenor
1084
1006
78
92.8%
0.86
40
38
91.1%
+1.7%
24
15
62.5%
27.50
-3.50
-0.0032
3.058
0.313
0.251
0.022
1.50
19.5%
55.1%
17.1%
26
Junior Valentine
941
888
53
94.4%
0.86
33
20
92.7%
+1.7%
20
12
60.0%
20.99
-0.99
-0.0010
2.792
0.236
0.162
0.013
1.82
18.7%
51.5%
11.2%
27
Erich Bacchus
1072
997
75
93.0%
1.32
43
32
91.3%
+1.7%
17
5
29.4%
29.16
-12.16
-0.0113
0.492
0.067
0.361
0.034
2.10
16.2%
51.5%
13.7%
28
Ryan Additon
1113
1036
77
93.1%
0.76
37
40
91.5%
+1.6%
34
14
41.2%
24.24
+9.76
+0.0088
1.951
0.230
0.588
0.050
1.18
16.9%
57.3%
17.2%
29
Will Little
1365
1274
91
93.3%
0.82
42
49
91.8%
+1.6%
39
15
38.5%
29.02
+9.98
+0.0073
2.373
0.287
0.881
0.083
1.30
14.8%
54.4%
16.5%
30
James Hoye
1198
1128
70
94.2%
0.86
33
37
92.6%
+1.6%
29
13
44.8%
25.78
+3.22
+0.0027
2.334
0.248
0.352
0.026
1.24
16.6%
52.3%
13.3%
31
John Libka
1120
1053
67
94.0%
0.80
39
28
92.5%
+1.5%
26
11
42.3%
25.46
+0.54
+0.0005
2.952
0.248
0.291
0.025
1.04
14.8%
58.4%
18.9%
32
Malachi Moore
1514
1406
108
92.9%
1.04
62
46
91.4%
+1.5%
38
19
50.0%
38.35
-0.35
-0.0002
4.849
0.398
0.340
0.030
1.33
19.4%
49.5%
11.0%
33
Ryan Wills
1024
960
64
93.8%
1.00
30
34
92.3%
+1.5%
32
18
56.3%
24.61
+7.39
+0.0072
2.925
0.154
0.276
0.028
0.83
15.6%
60.5%
15.0%
34
Willie Traynor
1150
1078
72
93.7%
1.05
24
48
92.3%
+1.4%
21
14
66.7%
26.45
-5.45
-0.0047
2.518
0.239
0.144
0.010
0.92
18.4%
55.8%
10.3%
35
Quinn Wolcott
1413
1322
91
93.6%
1.05
50
41
92.2%
+1.4%
39
19
48.7%
36.17
+2.83
+0.0020
3.627
0.323
0.381
0.034
1.72
18.5%
53.9%
16.9%
36
Jim Wolf
741
690
51
93.1%
0.89
30
21
91.7%
+1.4%
18
12
66.7%
17.59
+0.41
+0.0006
2.540
0.069
0.064
0.004
0.45
21.6%
53.5%
16.3%
37
Charlie Ramos
1140
1061
79
93.1%
1.04
41
38
91.7%
+1.4%
42
24
57.1%
27.54
+14.46
+0.0127
3.831
0.350
0.629
0.061
1.13
19.0%
57.0%
20.2%
38
Alan Porter
1079
1007
72
93.3%
0.96
38
34
91.9%
+1.4%
29
14
48.3%
24.82
+4.18
+0.0039
3.850
0.380
0.423
0.036
1.51
16.6%
54.9%
21.7%
39
Carlos Torres
1299
1205
94
92.8%
0.94
45
49
91.4%
+1.4%
32
18
56.3%
34.06
-2.06
-0.0016
3.152
0.289
0.398
0.031
1.38
20.7%
52.9%
21.0%
40
Vic Carapazza
1562
1458
104
93.3%
0.86
53
51
92.0%
+1.4%
37
18
48.6%
38.50
-1.50
-0.0010
3.476
0.288
0.487
0.040
1.32
16.8%
54.8%
19.1%
41
Ben May
979
915
64
93.5%
0.90
40
24
92.1%
+1.4%
19
9
47.4%
19.37
-0.37
-0.0004
1.946
0.213
0.378
0.031
1.15
17.6%
54.9%
19.8%
42
Mike Muchlinski
1202
1129
73
93.9%
0.97
42
31
92.6%
+1.4%
29
17
58.6%
24.20
+4.80
+0.0040
3.092
0.218
0.434
0.025
0.73
16.6%
59.3%
22.6%
43
Jonathan Parra
147
138
9
93.9%
0.63
5
4
92.6%
+1.3%
4
3
75.0%
3.42
+0.58
+0.0039
0.786
0.018
0.002
0.000
0.55
19.0%
47.3%
8.0%
44
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%
45
Scott Barry
965
897
68
93.0%
1.00
45
23
91.7%
+1.2%
25
14
56.0%
22.22
+2.78
+0.0029
1.760
0.167
0.209
0.016
1.02
17.0%
60.5%
20.8%
46
Clint Vondrak
959
896
63
93.4%
1.11
27
36
92.2%
+1.2%
17
11
64.7%
23.42
-6.42
-0.0067
1.235
0.120
0.100
0.007
0.70
15.2%
68.0%
21.4%
47
Chris Guccione
1183
1103
80
93.2%
1.03
46
34
92.0%
+1.2%
37
21
56.8%
26.72
+10.28
+0.0087
4.053
0.414
0.482
0.036
1.20
19.1%
54.6%
17.1%
48
Nate Tomlinson
1204
1127
77
93.6%
0.84
36
41
92.4%
+1.2%
25
12
48.0%
27.38
-2.38
-0.0020
2.972
0.227
0.419
0.028
1.16
17.9%
54.3%
18.1%
49
Ryan Blakney
975
910
65
93.3%
0.98
33
32
92.2%
+1.2%
29
15
51.7%
24.62
+4.38
+0.0045
3.649
0.332
0.481
0.042
1.64
18.1%
55.4%
24.3%
50
James Jean
923
863
60
93.5%
0.89
31
29
92.3%
+1.2%
21
11
52.4%
21.28
-0.28
-0.0003
1.233
0.112
0.369
0.029
0.69
15.2%
63.9%
30.3%
Showing 1–50 of 90
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