Charlie Kerfeld vs. Roy Thomas — Career Comparison

Charlie Kerfeld
Baby BoomersMissouriThrows RightBats RightNorth AmericaHouston AstrosAmerican LeagueRelief Pitcher
Roy Thomas
Baby BoomersVirginiaThrows RightBats RightNorth AmericaSeattle MarinersAmerican LeagueRelief Pitcher

The numbers give Charlie Kerfeld a clear advantage over Roy Thomas across the core pitching metrics. Charlie Kerfeld led in home run suppression (HR9+ 170 vs 121), run prevention (ERA+ 116 vs 100), and skill-based run prevention (DICE+ 109 vs 99). Roy Thomas held the edge in walk avoidance (BB%+ 90 vs 81). Charlie Kerfeld was the better reliever — the numbers make that case clearly.

Pitching Stats for Charlie Kerfeld and Roy Thomas

Charlie Kerfeld
Career
Per 9 Innings
4
4
Roy Thomas
Careerverified
Per 9 Inningsverified
8
8
Charlie Kerfeld
Career
Per 9 Inningsverified
123
5.49
Roy Thomas
Careerverified
Per 9 Innings
182
3.91
Charlie Kerfeld
Career
Per 9 Innings
6
0.27
Roy Thomas
Careerverified
Per 9 Inningsverified
13
0.28
Charlie Kerfeld
Career
Per 9 Inningsverified
18
0.8
Roy Thomas
Careerverified
Per 9 Innings
20
0.43
Charlie Kerfeld
Careerverified
Per 9 Innings
9
0.4
Roy Thomas
Career
Per 9 Inningsverified
11
0.24
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
66.67
66.67
Roy Thomas
Career
Per 9 Innings
64.52
64.52
Charlie Kerfeld
Career
Per 9 Innings
4.88
4.88
Roy Thomas
Careerverified
Per 9 Inningsverified
7.14
7.14
Charlie Kerfeld
Career
Per 9 Innings
0
0
Roy Thomas
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Roy Thomas
Career
Per 9 Innings
0
0
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Roy Thomas
Career
Per 9 Innings
7
0.15
Charlie Kerfeld
Careerverified
Per 9 Innings
94
4.2
Roy Thomas
Career
Per 9 Inningsverified
178
3.82
Charlie Kerfeld
Career
Per 9 Innings
4.2
4.2
Roy Thomas
Careerverified
Per 9 Inningsverified
3.82
3.82
Charlie Kerfeld
Career
Per 9 Innings
4.12
4.12
Roy Thomas
Careerverified
Per 9 Inningsverified
3.8
3.8
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.02
4.02
Roy Thomas
Career
Per 9 Innings
4.13
4.13
Charlie Kerfeld
Career
Per 9 Innings
0.256
0.256
Roy Thomas
Careerverified
Per 9 Inningsverified
0.25
0.25
Charlie Kerfeld
Career
Per 9 Innings
605
27
Roy Thomas
Careerverified
Per 9 Innings
1258
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Roy Thomas
Careerverified
Per 9 Innings
419.1
9
Charlie Kerfeld
Careerverified
Per 9 Innings
189
8.43
Roy Thomas
Career
Per 9 Inningsverified
387
8.31
Charlie Kerfeld
Career
Per 9 Innings
8.43
8.43
Roy Thomas
Careerverified
Per 9 Inningsverified
8.31
8.31
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
12
0.54
Roy Thomas
Career
Per 9 Innings
33
0.71
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.54
0.54
Roy Thomas
Career
Per 9 Innings
0.71
0.71
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.1
0.1
Roy Thomas
Career
Per 9 Innings
0.18
0.18
Charlie Kerfeld
Careerverified
Per 9 Innings
117
5.22
Roy Thomas
Career
Per 9 Inningsverified
196
4.21
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
11
0.49
Roy Thomas
Career
Per 9 Innings
27
0.58
Charlie Kerfeld
Career
Per 9 Innings
5.22
5.22
Roy Thomas
Careerverified
Per 9 Inningsverified
4.21
4.21
Charlie Kerfeld
Career
Per 9 Inningsverified
155
6.92
Roy Thomas
Careerverified
Per 9 Innings
289
6.2
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
6.92
6.92
Roy Thomas
Career
Per 9 Innings
6.2
6.2
Charlie Kerfeld
Career
Per 9 Innings
1.26
1.26
Roy Thomas
Careerverified
Per 9 Inningsverified
1.59
1.59
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
1.349
1.349
Roy Thomas
Career
Per 9 Innings
1.157
1.157
Charlie Kerfeld
Careerverified
Per 9 Innings
9
0.4
Roy Thomas
Career
Per 9 Inningsverified
16
0.34
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
3
0.13
Roy Thomas
Career
Per 9 Innings
12
0.26
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
2
0.09
Roy Thomas
Career
Per 9 Innings
7
0.15
Charlie Kerfeld
Career
Per 9 Inningsverified
888
39.63
Roy Thomas
Careerverified
Per 9 Innings
1799
38.61
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
53
2.37
Roy Thomas
Career
Per 9 Innings
47
1.01
Charlie Kerfeld
Careerverified
Per 9 Innings
104
4.64
Roy Thomas
Career
Per 9 Inningsverified
203
4.36
Charlie Kerfeld
Career
Per 9 Innings
4.64
4.64
Roy Thomas
Careerverified
Per 9 Inningsverified
4.36
4.36
Charlie Kerfeld
Career
Per 9 Innings
16
0.71
Roy Thomas
Careerverified
Per 9 Inningsverified
15
0.32
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
13
0.58
Roy Thomas
Career
Per 9 Innings
28
0.6
Charlie Kerfeld
Career
Per 9 Inningsverified
25
1.12
Roy Thomas
Careerverified
Per 9 Innings
36
0.77
Charlie Kerfeld
Career
Per 9 Innings
1.517
1.517
Roy Thomas
Careerverified
Per 9 Inningsverified
1.39
1.39
Charlie Kerfeld
Career
Per 9 Innings
739
32.98
Roy Thomas
Careerverified
Per 9 Inningsverified
1548
33.22
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.85
0.85
Roy Thomas
Career
Per 9 Innings
1.12
1.12
Charlie Kerfeld
Career
Per 9 Innings
0.309
0.309
Roy Thomas
Careerverified
Per 9 Inningsverified
0.289
0.289
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
39.63
39.63
Roy Thomas
Career
Per 9 Innings
38.61
38.61

Fielding Stats for Charlie Kerfeld and Roy Thomas

Charlie Kerfeld
Career
Per 9 Innings
4
4
Roy Thomas
Careerverified
Per 9 Inningsverified
8
8
Charlie Kerfeld
Career
Per 9 Inningsverified
123
5.49
Roy Thomas
Careerverified
Per 9 Innings
182
3.91
Charlie Kerfeld
Career
Per 9 Innings
6
0.27
Roy Thomas
Careerverified
Per 9 Inningsverified
13
0.28
Charlie Kerfeld
Career
Per 9 Innings
605
27
Roy Thomas
Careerverified
Per 9 Innings
1258
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Roy Thomas
Careerverified
Per 9 Innings
419.1
9
Charlie Kerfeld
Career
Per 9 Inningsverified
19
0.85
Roy Thomas
Careerverified
Per 9 Innings
36
0.77
Charlie Kerfeld
Career
Per 9 Innings
16
0.71
Roy Thomas
Careerverified
Per 9 Inningsverified
54
1.16
Charlie Kerfeld
Career
Per 9 Innings
5
0.22
Roy Thomas
Careerverified
Per 9 Inningsverified
0
0
Charlie Kerfeld
Career
Per 9 Innings
40
1.79
Roy Thomas
Careerverified
Per 9 Inningsverified
90
1.93
Charlie Kerfeld
Career
Per 9 Innings
35
1.56
Roy Thomas
Careerverified
Per 9 Inningsverified
90
1.93
Charlie Kerfeld
Career
Per 9 Innings
87.5
87.5
Roy Thomas
Careerverified
Per 9 Inningsverified
100
100
Charlie Kerfeld
Career
Per 9 Innings
0.285
0.285
Roy Thomas
Careerverified
Per 9 Inningsverified
0.495
0.495
Charlie Kerfeld
Career
Per 9 Innings
4.88
4.88
Roy Thomas
Careerverified
Per 9 Inningsverified
7.14
7.14
Charlie Kerfeld
Career
Per 9 Innings
2
0.09
Roy Thomas
Careerverified
Per 9 Innings
4
0.09
Charlie Kerfeld
Career
Per 9 Innings
0
0
Roy Thomas
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Roy Thomas
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Roy Thomas
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Roy Thomas
Career
Per 9 Innings
0
0

Hitting Stats for Charlie Kerfeld and Roy Thomas

Charlie Kerfeld
Career
Per 600 PA
4
4
Roy Thomas
Careerverified
Per 600 PAverified
8
8
Charlie Kerfeld
Career
Per 600 PA
123
2544.83
Roy Thomas
Careerverified
Per 600 PAverified
182
3033.33
Charlie Kerfeld
Career
Per 600 PA
29
600
Roy Thomas
Careerverified
Per 600 PA
36
600
Charlie Kerfeld
Career
Per 600 PA
26
537.93
Roy Thomas
Careerverified
Per 600 PAverified
34
566.67
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Roy Thomas
Careerverified
Per 600 PAverified
0.118
0.118
Charlie Kerfeld
Career
Per 600 PA
0.19
0.19
Roy Thomas
Careerverified
Per 600 PAverified
0.319
0.319
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Roy Thomas
Careerverified
Per 600 PAverified
4
66.67
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Roy Thomas
Careerverified
Per 600 PAverified
3
50
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Careerverified
Per 600 PAverified
1
16.67
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Careerverified
Per 600 PAverified
1
16.67
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Careerverified
Per 600 PAverified
0.25
0.25
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0.08
1.58
Roy Thomas
Careerverified
Per 600 PAverified
0.74
12.25
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Roy Thomas
Careerverified
Per 600 PAverified
5
83.33
Charlie Kerfeld
Career
Per 600 PA
2
41.38
Roy Thomas
Careerverified
Per 600 PAverified
5
83.33
Charlie Kerfeld
Career
Per 600 PA
0.074
0.074
Roy Thomas
Careerverified
Per 600 PAverified
0.143
0.143
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Roy Thomas
Careerverified
Per 600 PAverified
0.147
0.147
Charlie Kerfeld
Career
Per 600 PA
0.113
0.113
Roy Thomas
Careerverified
Per 600 PAverified
0.29
0.29
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Careerverified
Per 600 PAverified
0.03
0.03
Charlie Kerfeld
Career
Per 600 PA
0.043
0.043
Roy Thomas
Careerverified
Per 600 PAverified
0.101
0.101
Charlie Kerfeld
Career
Per 600 PA
0.08
0.08
Roy Thomas
Careerverified
Per 600 PAverified
0.2
0.2
Charlie Kerfeld
Career
Per 600 PA
0.1
0.1
Roy Thomas
Careerverified
Per 600 PAverified
0.222
0.222
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PAverified
1
20.69
Roy Thomas
Career
Per 600 PA
1
16.67
Charlie Kerfeld
Career
Per 600 PAverified
1
20.69
Roy Thomas
Career
Per 600 PA
1
16.67
Charlie Kerfeld
Career
Per 600 PA
-1.72
-35.51
Roy Thomas
Careerverified
Per 600 PAverified
-0.36
-5.98
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PAverified
1
20.69
Roy Thomas
Career
Per 600 PA
1
16.67
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
16
331.03
Roy Thomas
Career
Per 600 PAverified
16
266.67
Charlie Kerfeld
Career
Per 600 PA
1.81
1.81
Roy Thomas
Careerverified
Per 600 PAverified
2.25
2.25
Charlie Kerfeld
Career
Per 600 PA
0.06
0.06
Roy Thomas
Career
Per 600 PA
0.06
0.06
Charlie Kerfeld
Careerverified
Per 600 PAverified
2
41.38
Roy Thomas
Career
Per 600 PA
1
16.67
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Roy Thomas
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
Roy Thomas
Career
Per 600 PA