Charlie Kerfeld vs. Frank Sullivan — Career Comparison

Charlie Kerfeld
Baby BoomersMissouriThrows RightBats RightNorth AmericaHouston AstrosAmerican LeagueRelief Pitcher
Frank Sullivan
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaBoston Red SoxAmerican LeagueStarting PitcherAll-Star

Frank Sullivan built a career as a starting pitcher and Charlie Kerfeld as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Charlie Kerfeld led in home run suppression (HR9+ 170 vs 93), strikeout rate (K%+ 112 vs 103), and skill-based run prevention (DICE+ 109 vs 102). Frank Sullivan held the edge in walk avoidance (BB%+ 115 vs 81). Role difference aside, Charlie Kerfeld holds a clear edge on every meaningful shared measure.

Pitching Stats for Charlie Kerfeld and Frank Sullivan

Charlie Kerfeld
Career
Per 9 Innings
4
4
Frank Sullivan
Careerverified
Per 9 Inningsverified
11
11
Charlie Kerfeld
Career
Per 9 Inningsverified
123
5.49
Frank Sullivan
Careerverified
Per 9 Innings
351
1.82
Charlie Kerfeld
Career
Per 9 Innings
6
0.27
Frank Sullivan
Careerverified
Per 9 Inningsverified
219
1.14
Charlie Kerfeld
Career
Per 9 Inningsverified
18
0.8
Frank Sullivan
Careerverified
Per 9 Innings
97
0.5
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Frank Sullivan
Career
Per 9 Innings
100
0.52
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
66.67
66.67
Frank Sullivan
Career
Per 9 Innings
49.24
49.24
Charlie Kerfeld
Career
Per 9 Innings
4.88
4.88
Frank Sullivan
Careerverified
Per 9 Inningsverified
62.39
62.39
Charlie Kerfeld
Career
Per 9 Innings
0
0
Frank Sullivan
Careerverified
Per 9 Inningsverified
73
0.38
Charlie Kerfeld
Career
Per 9 Innings
0
0
Frank Sullivan
Careerverified
Per 9 Inningsverified
15
0.08
Charlie Kerfeld
Career
Per 9 Inningsverified
9
0.4
Frank Sullivan
Careerverified
Per 9 Innings
18
0.09
Charlie Kerfeld
Careerverified
Per 9 Innings
94
4.2
Frank Sullivan
Career
Per 9 Inningsverified
692
3.6
Charlie Kerfeld
Career
Per 9 Innings
4.2
4.2
Frank Sullivan
Careerverified
Per 9 Inningsverified
3.6
3.6
Charlie Kerfeld
Career
Per 9 Innings
4.12
4.12
Frank Sullivan
Careerverified
Per 9 Inningsverified
3.67
3.67
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.02
4.02
Frank Sullivan
Career
Per 9 Innings
4.05
4.05
Charlie Kerfeld
Career
Per 9 Innings
0.256
0.256
Frank Sullivan
Careerverified
Per 9 Inningsverified
0.253
0.253
Charlie Kerfeld
Career
Per 9 Innings
605
27
Frank Sullivan
Careerverified
Per 9 Innings
5196
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Frank Sullivan
Careerverified
Per 9 Innings
1732
9
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
189
8.43
Frank Sullivan
Career
Per 9 Innings
1702
8.84
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
8.43
8.43
Frank Sullivan
Career
Per 9 Innings
8.84
8.84
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
12
0.54
Frank Sullivan
Career
Per 9 Innings
148
0.77
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.54
0.54
Frank Sullivan
Career
Per 9 Innings
0.77
0.77
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.1
0.1
Frank Sullivan
Career
Per 9 Innings
0.42
0.42
Charlie Kerfeld
Careerverified
Per 9 Innings
117
5.22
Frank Sullivan
Career
Per 9 Inningsverified
559
2.9
Charlie Kerfeld
Careerverified
Per 9 Innings
11
0.49
Frank Sullivan
Career
Per 9 Inningsverified
31
0.16
Charlie Kerfeld
Career
Per 9 Innings
5.22
5.22
Frank Sullivan
Careerverified
Per 9 Inningsverified
2.9
2.9
Charlie Kerfeld
Career
Per 9 Inningsverified
155
6.92
Frank Sullivan
Careerverified
Per 9 Innings
959
4.98
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
6.92
6.92
Frank Sullivan
Career
Per 9 Innings
4.98
4.98
Charlie Kerfeld
Career
Per 9 Innings
1.26
1.26
Frank Sullivan
Careerverified
Per 9 Inningsverified
2.73
2.73
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
1.349
1.349
Frank Sullivan
Career
Per 9 Innings
0.876
0.876
Charlie Kerfeld
Careerverified
Per 9 Innings
9
0.4
Frank Sullivan
Career
Per 9 Inningsverified
17
0.09
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
3
0.13
Frank Sullivan
Career
Per 9 Innings
47
0.24
Charlie Kerfeld
Careerverified
Per 9 Innings
2
0.09
Frank Sullivan
Career
Per 9 Inningsverified
6
0.03
Charlie Kerfeld
Career
Per 9 Inningsverified
888
39.63
Frank Sullivan
Careerverified
Per 9 Innings
7331
38.09
Charlie Kerfeld
Career
Per 9 Inningsverified
53
2.37
Frank Sullivan
Career
Per 9 Innings
53
0.28
Charlie Kerfeld
Careerverified
Per 9 Innings
104
4.64
Frank Sullivan
Career
Per 9 Inningsverified
797
4.14
Charlie Kerfeld
Career
Per 9 Innings
4.64
4.64
Frank Sullivan
Careerverified
Per 9 Inningsverified
4.14
4.14
Charlie Kerfeld
Career
Per 9 Innings
16
0.71
Frank Sullivan
Careerverified
Per 9 Inningsverified
0
0
Charlie Kerfeld
Career
Per 9 Innings
13
0.58
Frank Sullivan
Careerverified
Per 9 Inningsverified
0
0
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
25
1.12
Frank Sullivan
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
1.517
1.517
Frank Sullivan
Careerverified
Per 9 Inningsverified
1.305
1.305
Charlie Kerfeld
Career
Per 9 Innings
739
32.98
Frank Sullivan
Careerverified
Per 9 Inningsverified
6725
34.95
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.85
0.85
Frank Sullivan
Career
Per 9 Innings
2.27
2.27
Charlie Kerfeld
Career
Per 9 Innings
0.309
0.309
Frank Sullivan
Careerverified
Per 9 Inningsverified
0.277
0.277
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
39.63
39.63
Frank Sullivan
Career
Per 9 Innings
38.09
38.09

Fielding Stats for Charlie Kerfeld and Frank Sullivan

Charlie Kerfeld
Career
Per 9 Innings
4
4
Frank Sullivan
Careerverified
Per 9 Inningsverified
11
11
Charlie Kerfeld
Career
Per 9 Inningsverified
123
5.49
Frank Sullivan
Careerverified
Per 9 Innings
351
1.85
Charlie Kerfeld
Career
Per 9 Innings
6
0.27
Frank Sullivan
Careerverified
Per 9 Inningsverified
219
1.16
Charlie Kerfeld
Career
Per 9 Innings
605
27
Frank Sullivan
Careerverified
Per 9 Innings
5119
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Frank Sullivan
Careerverified
Per 9 Innings
1706.1
9
Charlie Kerfeld
Career
Per 9 Inningsverified
19
0.85
Frank Sullivan
Careerverified
Per 9 Innings
121
0.64
Charlie Kerfeld
Career
Per 9 Innings
16
0.71
Frank Sullivan
Careerverified
Per 9 Inningsverified
275
1.45
Charlie Kerfeld
Careerverified
Per 9 Innings
5
0.22
Frank Sullivan
Career
Per 9 Inningsverified
9
0.05
Charlie Kerfeld
Career
Per 9 Innings
40
1.79
Frank Sullivan
Careerverified
Per 9 Inningsverified
405
2.14
Charlie Kerfeld
Career
Per 9 Innings
35
1.56
Frank Sullivan
Careerverified
Per 9 Inningsverified
396
2.09
Charlie Kerfeld
Career
Per 9 Innings
87.5
87.5
Frank Sullivan
Careerverified
Per 9 Inningsverified
97.78
97.78
Charlie Kerfeld
Career
Per 9 Innings
0.285
0.285
Frank Sullivan
Careerverified
Per 9 Inningsverified
1.128
1.128
Charlie Kerfeld
Career
Per 9 Innings
4.88
4.88
Frank Sullivan
Careerverified
Per 9 Inningsverified
62.39
62.39
Charlie Kerfeld
Career
Per 9 Innings
2
0.09
Frank Sullivan
Careerverified
Per 9 Inningsverified
30
0.16
Charlie Kerfeld
Career
Per 9 Innings
0
0
Frank Sullivan
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Frank Sullivan
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Frank Sullivan
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Frank Sullivan
Career
Per 9 Innings
0
0

Hitting Stats for Charlie Kerfeld and Frank Sullivan

Charlie Kerfeld
Career
Per 600 PA
4
4
Frank Sullivan
Careerverified
Per 600 PAverified
11
11
Charlie Kerfeld
Career
Per 600 PAverified
123
2544.83
Frank Sullivan
Careerverified
Per 600 PA
351
344.12
Charlie Kerfeld
Career
Per 600 PA
29
600
Frank Sullivan
Careerverified
Per 600 PA
612
600
Charlie Kerfeld
Career
Per 600 PAverified
26
537.93
Frank Sullivan
Careerverified
Per 600 PA
529
518.63
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Frank Sullivan
Careerverified
Per 600 PAverified
0.144
0.144
Charlie Kerfeld
Career
Per 600 PA
0.19
0.19
Frank Sullivan
Careerverified
Per 600 PAverified
0.427
0.427
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Frank Sullivan
Careerverified
Per 600 PAverified
76
74.51
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Frank Sullivan
Careerverified
Per 600 PAverified
66
64.71
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Careerverified
Per 600 PAverified
9
8.82
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Careerverified
Per 600 PAverified
1
0.98
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Careerverified
Per 600 PAverified
10
9.8
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Careerverified
Per 600 PAverified
0.132
0.132
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0.08
1.58
Frank Sullivan
Careerverified
Per 600 PAverified
14.37
14.09
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Frank Sullivan
Careerverified
Per 600 PAverified
87
85.29
Charlie Kerfeld
Career
Per 600 PA
2
41.38
Frank Sullivan
Careerverified
Per 600 PAverified
106
103.92
Charlie Kerfeld
Career
Per 600 PA
0.074
0.074
Frank Sullivan
Careerverified
Per 600 PAverified
0.189
0.189
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Frank Sullivan
Careerverified
Per 600 PAverified
0.165
0.165
Charlie Kerfeld
Career
Per 600 PA
0.113
0.113
Frank Sullivan
Careerverified
Per 600 PAverified
0.353
0.353
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Careerverified
Per 600 PAverified
0.021
0.021
Charlie Kerfeld
Career
Per 600 PA
0.043
0.043
Frank Sullivan
Careerverified
Per 600 PAverified
0.126
0.126
Charlie Kerfeld
Career
Per 600 PA
0.08
0.08
Frank Sullivan
Careerverified
Per 600 PAverified
0.251
0.251
Charlie Kerfeld
Career
Per 600 PA
0.1
0.1
Frank Sullivan
Careerverified
Per 600 PAverified
0.204
0.204
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Careerverified
Per 600 PAverified
36
35.29
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Frank Sullivan
Careerverified
Per 600 PAverified
22
21.57
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Frank Sullivan
Careerverified
Per 600 PAverified
58
56.86
Charlie Kerfeld
Career
Per 600 PA
-1.72
-35.51
Frank Sullivan
Careerverified
Per 600 PAverified
6.05
5.93
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Frank Sullivan
Careerverified
Per 600 PAverified
30
29.41
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Career
Per 600 PA
0
0
Charlie Kerfeld
Careerverified
Per 600 PA
16
331.03
Frank Sullivan
Career
Per 600 PAverified
160
156.86
Charlie Kerfeld
Career
Per 600 PA
1.81
1.81
Frank Sullivan
Careerverified
Per 600 PAverified
3.83
3.83
Charlie Kerfeld
Career
Per 600 PA
0.06
0.06
Frank Sullivan
Careerverified
Per 600 PAverified
0.19
0.19
Charlie Kerfeld
Career
Per 600 PA
2
41.38
Frank Sullivan
Careerverified
Per 600 PAverified
50
49.02
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Careerverified
Per 600 PAverified
3
2.94
Charlie Kerfeld
Careerverified
Per 600 PAverified
0
0
Frank Sullivan
Career
Per 600 PA
14
13.73
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Frank Sullivan
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
Frank Sullivan
Career
Per 600 PA