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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
Dillon Wilson
754
720
34
95.5%
0.79
22
12
92.6%
+2.9%
13
4
30.8%
15.95
-2.95
-0.0039
0.635
0.043
0.345
0.023
1.21
17.4%
48.9%
18.7%
2
Austin Jones
1552
1461
91
94.1%
0.84
47
44
91.3%
+2.8%
45
20
44.4%
41.58
+3.42
+0.0022
5.669
0.807
0.822
0.067
2.57
27.6%
48.2%
12.5%
3
John Tumpane
2164
2054
110
94.9%
0.92
69
41
92.1%
+2.8%
58
26
44.8%
57.96
+0.04
+0.0000
3.741
0.471
0.777
0.066
1.30
21.6%
57.0%
18.4%
4
Derek Thomas
1706
1606
100
94.1%
0.95
55
45
91.4%
+2.7%
48
16
33.3%
39.96
+8.04
+0.0047
3.210
0.301
1.038
0.073
1.19
16.4%
55.3%
17.9%
5
Mark Ripperger
2275
2158
117
94.9%
1.00
61
56
92.2%
+2.7%
63
27
42.9%
55.40
+7.60
+0.0033
5.252
0.497
0.985
0.082
1.57
22.8%
54.8%
15.1%
6
Chris Conroy
2010
1891
119
94.1%
0.72
59
60
91.4%
+2.7%
52
24
46.2%
53.00
-1.00
-0.0005
5.367
0.411
0.726
0.068
1.11
21.7%
52.3%
16.0%
7
Adam Hamari
2294
2168
126
94.5%
0.83
64
62
91.9%
+2.6%
51
25
49.0%
61.49
-10.49
-0.0046
6.517
0.796
0.667
0.057
2.42
26.7%
49.3%
13.9%
8
Jansen Visconti
2023
1917
106
94.8%
0.86
52
54
92.2%
+2.6%
54
25
46.3%
47.43
+6.57
+0.0032
3.576
0.409
0.712
0.055
1.16
18.5%
59.2%
20.1%
9
Louie Krupa
1076
1016
60
94.4%
0.78
27
33
91.9%
+2.5%
33
11
33.3%
24.61
+8.39
+0.0078
2.149
0.150
0.643
0.043
0.97
18.0%
54.5%
18.4%
10
Edwin Moscoso
2170
2059
111
94.9%
0.91
57
54
92.5%
+2.4%
62
32
51.6%
54.58
+7.42
+0.0034
5.218
0.437
0.621
0.035
0.99
22.0%
55.7%
17.1%
11
Tripp Gibson
2512
2367
145
94.2%
0.93
78
67
91.9%
+2.4%
58
28
48.3%
68.89
-10.89
-0.0043
4.675
0.462
0.855
0.071
1.31
18.9%
53.0%
16.7%
12
Brock Ballou
1370
1289
81
94.1%
0.82
44
37
91.8%
+2.3%
41
24
58.5%
38.84
+2.16
+0.0016
3.152
0.412
0.489
0.050
1.92
23.5%
53.9%
14.9%
13
Alex Tosi
2066
1944
122
94.1%
0.78
72
50
91.8%
+2.3%
48
20
41.7%
50.46
-2.46
-0.0012
3.455
0.360
0.762
0.066
1.27
20.9%
55.6%
18.9%
14
Alex MacKay
2082
1957
125
94.0%
0.88
79
46
91.7%
+2.3%
60
35
58.3%
61.10
-1.10
-0.0005
8.910
0.991
0.507
0.049
2.11
30.3%
49.9%
14.6%
15
Dexter Kelley
1186
1116
70
94.1%
1.03
42
28
91.9%
+2.2%
36
12
33.3%
30.92
+5.08
+0.0043
2.747
0.406
0.585
0.046
1.76
21.1%
52.6%
15.3%
16
James Hoye
2330
2193
137
94.1%
0.86
67
70
92.0%
+2.1%
59
27
45.8%
56.27
+2.73
+0.0012
4.951
0.523
0.920
0.083
1.27
21.8%
54.5%
16.7%
17
Dan Merzel
2110
1987
123
94.2%
0.81
60
63
92.1%
+2.1%
59
28
47.5%
51.28
+7.72
+0.0037
4.509
0.595
0.933
0.088
1.45
22.1%
56.9%
16.9%
18
Tyler Jones
1437
1348
89
93.8%
0.87
48
41
91.7%
+2.1%
46
23
50.0%
40.66
+5.34
+0.0037
4.199
0.423
0.923
0.091
1.77
29.0%
54.4%
21.7%
19
Junior Valentine
2146
2025
121
94.4%
0.88
74
47
92.3%
+2.1%
57
31
54.4%
55.29
+1.71
+0.0008
6.168
0.461
0.478
0.042
1.20
23.7%
53.6%
14.4%
20
Adam Beck
2325
2177
148
93.6%
0.93
83
65
91.6%
+2.0%
67
30
44.8%
63.76
+3.24
+0.0014
6.055
0.476
1.066
0.095
0.95
21.0%
52.5%
19.3%
21
Tom Hanahan
2292
2144
148
93.5%
0.80
82
66
91.5%
+2.0%
63
30
47.6%
55.53
+7.47
+0.0033
4.921
0.412
1.286
0.114
1.10
17.5%
55.3%
20.7%
22
Ryan Additon
2439
2271
168
93.1%
0.82
87
81
91.1%
+2.0%
79
39
49.4%
69.50
+9.50
+0.0039
7.234
0.842
1.110
0.096
1.49
24.3%
53.8%
15.2%
23
Erich Bacchus
2212
2067
145
93.4%
1.16
81
64
91.5%
+2.0%
49
22
44.9%
68.33
-19.33
-0.0087
3.253
0.325
0.785
0.074
1.70
23.5%
55.4%
17.4%
24
Mark Wegner
2460
2314
146
94.1%
1.02
88
58
92.1%
+1.9%
62
31
50.0%
61.60
+0.40
+0.0002
4.984
0.480
0.974
0.078
1.20
21.8%
54.8%
23.5%
25
Nate Tomlinson
2355
2216
139
94.1%
0.83
67
72
92.2%
+1.9%
52
24
46.2%
58.52
-6.52
-0.0028
5.512
0.610
1.011
0.076
1.41
23.3%
53.1%
19.2%
26
Jeremie Rehak
1980
1854
126
93.6%
0.95
69
57
91.7%
+1.9%
61
32
52.5%
47.05
+13.95
+0.0070
5.760
0.514
1.017
0.077
1.04
20.2%
59.1%
23.1%
27
Vic Carapazza
2491
2337
154
93.8%
0.88
79
75
92.0%
+1.9%
62
31
50.0%
69.87
-7.87
-0.0032
5.883
0.442
0.882
0.066
1.11
22.5%
55.8%
18.4%
28
Nestor Ceja
2237
2109
128
94.3%
0.87
68
60
92.4%
+1.9%
61
30
49.2%
52.00
+9.00
+0.0040
4.623
0.632
0.727
0.056
1.36
21.2%
56.2%
17.2%
29
Steven Jaschinski
1006
947
59
94.1%
0.78
37
22
92.5%
+1.7%
33
17
51.5%
25.45
+7.55
+0.0075
3.440
0.361
0.423
0.035
1.26
19.8%
57.5%
18.4%
30
Brian Walsh
2007
1881
126
93.7%
1.06
70
56
92.1%
+1.6%
64
41
64.1%
53.45
+10.55
+0.0053
4.736
0.472
0.631
0.055
1.04
23.1%
60.3%
20.0%
31
Alan Porter
1879
1754
125
93.3%
0.96
67
58
91.8%
+1.5%
55
29
52.7%
53.59
+1.41
+0.0007
6.166
0.767
0.673
0.062
1.58
24.5%
56.5%
21.8%
32
Gabe Morales
1956
1837
119
93.9%
1.05
68
51
92.4%
+1.5%
54
31
57.4%
52.20
+1.80
+0.0009
5.649
0.658
0.399
0.028
1.20
24.8%
61.6%
14.4%
33
Edwin Jimenez
1102
1031
71
93.6%
0.85
45
26
92.0%
+1.5%
24
10
41.7%
28.44
-4.44
-0.0040
1.821
0.189
0.344
0.027
1.22
21.0%
57.9%
17.3%
34
Willie Traynor
2427
2277
150
93.8%
0.96
54
96
92.3%
+1.5%
52
31
59.6%
68.25
-16.25
-0.0067
5.195
0.466
0.472
0.037
0.87
23.2%
56.5%
15.1%
35
Quinn Wolcott
2373
2224
149
93.7%
0.96
87
62
92.3%
+1.5%
66
31
47.0%
66.75
-0.75
-0.0003
6.076
0.580
0.908
0.073
1.54
24.5%
53.4%
17.1%
36
Ben May
2183
2044
139
93.6%
0.93
84
55
92.2%
+1.5%
51
28
54.9%
53.06
-2.06
-0.0009
6.022
0.798
0.673
0.057
1.34
22.7%
56.1%
17.7%
37
Will Little
2416
2264
152
93.7%
0.88
78
74
92.3%
+1.4%
69
32
46.4%
61.69
+7.31
+0.0030
5.633
0.705
1.288
0.118
1.40
23.3%
55.3%
17.2%
38
James Jean
2394
2247
147
93.9%
0.82
74
73
92.4%
+1.4%
55
23
41.8%
58.82
-3.82
-0.0016
3.109
0.323
1.128
0.105
1.02
19.9%
61.3%
25.1%
39
Chris Guccione
2272
2122
150
93.4%
1.06
72
78
92.0%
+1.4%
76
42
55.3%
60.35
+15.65
+0.0069
6.444
0.626
1.005
0.074
1.31
22.4%
56.2%
18.0%
40
Dan Bellino
2235
2084
151
93.2%
1.03
69
82
91.9%
+1.4%
67
39
58.2%
66.08
+0.92
+0.0004
5.961
0.536
0.614
0.049
0.98
24.0%
57.0%
19.4%
41
Jonathan Parra
1423
1335
88
93.8%
0.86
47
41
92.5%
+1.3%
34
15
44.1%
35.34
-1.34
-0.0009
3.106
0.344
0.860
0.065
1.58
23.3%
50.3%
16.3%
42
Ryan Wills
2097
1956
141
93.3%
0.91
74
67
92.0%
+1.3%
58
31
53.4%
58.37
-0.37
-0.0002
5.009
0.379
0.699
0.063
0.97
22.1%
58.9%
17.7%
43
Nic Lentz
2227
2081
146
93.4%
1.14
68
78
92.2%
+1.3%
63
28
44.4%
57.38
+5.62
+0.0025
6.225
0.495
1.240
0.108
1.28
22.2%
55.2%
20.6%
44
Cory Blaser
1851
1729
122
93.4%
0.95
72
50
92.1%
+1.3%
51
29
56.9%
52.57
-1.57
-0.0008
4.757
0.654
0.419
0.032
1.40
23.6%
59.7%
19.5%
45
Charlie Ramos
1428
1326
102
92.9%
1.04
54
48
91.6%
+1.2%
55
32
58.2%
41.55
+13.45
+0.0094
5.019
0.469
0.741
0.066
1.16
25.6%
56.1%
18.0%
46
John Libka
2021
1897
124
93.9%
0.82
67
57
92.7%
+1.2%
42
18
42.9%
52.60
-10.60
-0.0052
4.579
0.354
0.631
0.057
1.28
21.1%
55.8%
19.5%
47
Carlos Torres
2180
2025
155
92.9%
1.01
92
63
91.7%
+1.2%
51
25
49.0%
62.87
-11.87
-0.0054
3.752
0.365
0.729
0.055
1.30
23.8%
54.6%
19.5%
48
Scott Barry
2070
1928
142
93.1%
1.05
85
57
92.0%
+1.2%
47
19
40.4%
52.62
-5.62
-0.0027
2.796
0.254
0.881
0.085
1.06
20.8%
60.0%
23.6%
49
Todd Tichenor
2121
1958
163
92.3%
0.94
90
73
91.2%
+1.1%
59
40
67.8%
65.54
-6.54
-0.0031
8.825
0.706
0.583
0.054
1.41
27.1%
52.2%
16.2%
50
David Rackley
2255
2113
142
93.7%
1.12
87
55
92.6%
+1.1%
57
23
40.4%
53.47
+3.53
+0.0016
2.824
0.181
0.993
0.076
0.88
17.3%
57.6%
18.7%
Showing 1–50 of 91
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