Charlie Kerfeld vs. Justin Masterson — Career Comparison

Charlie Kerfeld
Baby BoomersMissouriThrows RightBats RightNorth AmericaHouston AstrosAmerican LeagueRelief Pitcher
Justin Masterson
MillenialJamaicaThrows RightBats RightCaribbeanCleveland GuardiansAmerican LeagueStarting PitcherAll-Star

Justin Masterson 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 143), run prevention (ERA+ 116 vs 93), and walk avoidance (BB%+ 81 vs 77). Role difference aside, Charlie Kerfeld holds a clear edge on every meaningful shared measure.

Pitching Stats for Charlie Kerfeld and Justin Masterson

Charlie Kerfeld
Career
Per 9 Innings
4
4
Justin Masterson
Careerverified
Per 9 Inningsverified
8
8
Charlie Kerfeld
Career
Per 9 Inningsverified
123
5.49
Justin Masterson
Careerverified
Per 9 Innings
258
1.93
Charlie Kerfeld
Career
Per 9 Innings
6
0.27
Justin Masterson
Careerverified
Per 9 Inningsverified
184
1.38
Charlie Kerfeld
Career
Per 9 Inningsverified
18
0.8
Justin Masterson
Careerverified
Per 9 Innings
64
0.48
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Justin Masterson
Career
Per 9 Innings
74
0.55
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
66.67
66.67
Justin Masterson
Career
Per 9 Innings
46.38
46.38
Charlie Kerfeld
Career
Per 9 Innings
4.88
4.88
Justin Masterson
Careerverified
Per 9 Inningsverified
71.32
71.32
Charlie Kerfeld
Career
Per 9 Innings
0
0
Justin Masterson
Careerverified
Per 9 Inningsverified
7
0.05
Charlie Kerfeld
Career
Per 9 Innings
0
0
Justin Masterson
Careerverified
Per 9 Inningsverified
4
0.03
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Justin Masterson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
94
4.2
Justin Masterson
Career
Per 9 Innings
575
4.31
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.2
4.2
Justin Masterson
Career
Per 9 Innings
4.31
4.31
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.12
4.12
Justin Masterson
Career
Per 9 Innings
4.22
4.22
Charlie Kerfeld
Career
Per 9 Innings
4.02
4.02
Justin Masterson
Careerverified
Per 9 Inningsverified
3.85
3.85
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.256
0.256
Justin Masterson
Career
Per 9 Innings
0.259
0.259
Charlie Kerfeld
Career
Per 9 Innings
605
27
Justin Masterson
Careerverified
Per 9 Innings
3603
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Justin Masterson
Careerverified
Per 9 Innings
1201
9
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
189
8.43
Justin Masterson
Career
Per 9 Innings
1181
8.85
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
8.43
8.43
Justin Masterson
Career
Per 9 Innings
8.85
8.85
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
12
0.54
Justin Masterson
Career
Per 9 Innings
97
0.73
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.54
0.54
Justin Masterson
Career
Per 9 Innings
0.73
0.73
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.1
0.1
Justin Masterson
Career
Per 9 Innings
0.38
0.38
Charlie Kerfeld
Careerverified
Per 9 Innings
117
5.22
Justin Masterson
Career
Per 9 Inningsverified
498
3.73
Charlie Kerfeld
Careerverified
Per 9 Innings
11
0.49
Justin Masterson
Career
Per 9 Inningsverified
17
0.13
Charlie Kerfeld
Career
Per 9 Innings
5.22
5.22
Justin Masterson
Careerverified
Per 9 Inningsverified
3.73
3.73
Charlie Kerfeld
Career
Per 9 Innings
155
6.92
Justin Masterson
Careerverified
Per 9 Inningsverified
1004
7.52
Charlie Kerfeld
Career
Per 9 Innings
6.92
6.92
Justin Masterson
Careerverified
Per 9 Inningsverified
7.52
7.52
Charlie Kerfeld
Career
Per 9 Innings
1.26
1.26
Justin Masterson
Careerverified
Per 9 Inningsverified
3.89
3.89
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
1.349
1.349
Justin Masterson
Career
Per 9 Innings
1.251
1.251
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Justin Masterson
Career
Per 9 Innings
66
0.49
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
3
0.13
Justin Masterson
Career
Per 9 Innings
93
0.7
Charlie Kerfeld
Career
Per 9 Innings
2
0.09
Justin Masterson
Careerverified
Per 9 Inningsverified
1
0.01
Charlie Kerfeld
Career
Per 9 Inningsverified
888
39.63
Justin Masterson
Careerverified
Per 9 Innings
5217
39.09
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
53
2.37
Justin Masterson
Career
Per 9 Innings
17
0.13
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
104
4.64
Justin Masterson
Career
Per 9 Innings
625
4.68
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.64
4.64
Justin Masterson
Career
Per 9 Innings
4.68
4.68
Charlie Kerfeld
Careerverified
Per 9 Innings
16
0.71
Justin Masterson
Career
Per 9 Inningsverified
40
0.3
Charlie Kerfeld
Careerverified
Per 9 Innings
13
0.58
Justin Masterson
Career
Per 9 Inningsverified
32
0.24
Charlie Kerfeld
Career
Per 9 Inningsverified
25
1.12
Justin Masterson
Careerverified
Per 9 Innings
137
1.03
Charlie Kerfeld
Career
Per 9 Innings
1.517
1.517
Justin Masterson
Careerverified
Per 9 Inningsverified
1.398
1.398
Charlie Kerfeld
Career
Per 9 Innings
739
32.98
Justin Masterson
Careerverified
Per 9 Inningsverified
4554
34.13
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.85
0.85
Justin Masterson
Career
Per 9 Innings
2.42
2.42
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.309
0.309
Justin Masterson
Career
Per 9 Innings
0.314
0.314
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
39.63
39.63
Justin Masterson
Career
Per 9 Innings
39.09
39.09

Fielding Stats for Charlie Kerfeld and Justin Masterson

Charlie Kerfeld
Career
Per 9 Innings
4
4
Justin Masterson
Careerverified
Per 9 Inningsverified
8
8
Charlie Kerfeld
Career
Per 9 Inningsverified
123
5.49
Justin Masterson
Careerverified
Per 9 Innings
258
1.93
Charlie Kerfeld
Career
Per 9 Innings
6
0.27
Justin Masterson
Careerverified
Per 9 Inningsverified
184
1.38
Charlie Kerfeld
Career
Per 9 Innings
605
27
Justin Masterson
Careerverified
Per 9 Innings
3603
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Justin Masterson
Careerverified
Per 9 Innings
1201
9
Charlie Kerfeld
Career
Per 9 Inningsverified
19
0.85
Justin Masterson
Careerverified
Per 9 Innings
103
0.77
Charlie Kerfeld
Career
Per 9 Innings
16
0.71
Justin Masterson
Careerverified
Per 9 Inningsverified
189
1.42
Charlie Kerfeld
Careerverified
Per 9 Innings
5
0.22
Justin Masterson
Career
Per 9 Inningsverified
14
0.1
Charlie Kerfeld
Career
Per 9 Innings
40
1.79
Justin Masterson
Careerverified
Per 9 Inningsverified
306
2.29
Charlie Kerfeld
Career
Per 9 Innings
35
1.56
Justin Masterson
Careerverified
Per 9 Inningsverified
292
2.19
Charlie Kerfeld
Career
Per 9 Innings
87.5
87.5
Justin Masterson
Careerverified
Per 9 Inningsverified
95.42
95.42
Charlie Kerfeld
Career
Per 9 Innings
0.285
0.285
Justin Masterson
Careerverified
Per 9 Inningsverified
1.132
1.132
Charlie Kerfeld
Career
Per 9 Innings
4.88
4.88
Justin Masterson
Careerverified
Per 9 Inningsverified
71.32
71.32
Charlie Kerfeld
Career
Per 9 Innings
2
0.09
Justin Masterson
Careerverified
Per 9 Inningsverified
19
0.14
Charlie Kerfeld
Career
Per 9 Innings
0
0
Justin Masterson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Justin Masterson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Justin Masterson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Justin Masterson
Career
Per 9 Innings
0
0

Hitting Stats for Charlie Kerfeld and Justin Masterson

Charlie Kerfeld
Career
Per 600 PA
4
4
Justin Masterson
Careerverified
Per 600 PAverified
8
8
Charlie Kerfeld
Career
Per 600 PA
123
2544.83
Justin Masterson
Careerverified
Per 600 PAverified
258
4300
Charlie Kerfeld
Career
Per 600 PA
29
600
Justin Masterson
Careerverified
Per 600 PA
36
600
Charlie Kerfeld
Career
Per 600 PA
26
537.93
Justin Masterson
Careerverified
Per 600 PAverified
33
550
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Justin Masterson
Careerverified
Per 600 PAverified
0.212
0.212
Charlie Kerfeld
Career
Per 600 PA
0.19
0.19
Justin Masterson
Careerverified
Per 600 PAverified
0.472
0.472
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Justin Masterson
Careerverified
Per 600 PAverified
7
116.67
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Justin Masterson
Careerverified
Per 600 PAverified
7
116.67
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0.08
1.58
Justin Masterson
Careerverified
Per 600 PAverified
1.34
22.35
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Justin Masterson
Careerverified
Per 600 PAverified
7
116.67
Charlie Kerfeld
Career
Per 600 PA
2
41.38
Justin Masterson
Careerverified
Per 600 PAverified
7
116.67
Charlie Kerfeld
Career
Per 600 PA
0.074
0.074
Justin Masterson
Careerverified
Per 600 PAverified
0.212
0.212
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Justin Masterson
Careerverified
Per 600 PAverified
0.212
0.212
Charlie Kerfeld
Career
Per 600 PA
0.113
0.113
Justin Masterson
Careerverified
Per 600 PAverified
0.424
0.424
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0.043
0.043
Justin Masterson
Careerverified
Per 600 PAverified
0.149
0.149
Charlie Kerfeld
Career
Per 600 PA
0.08
0.08
Justin Masterson
Careerverified
Per 600 PAverified
0.269
0.269
Charlie Kerfeld
Career
Per 600 PA
0.1
0.1
Justin Masterson
Careerverified
Per 600 PAverified
0.35
0.35
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Careerverified
Per 600 PAverified
1
16.67
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Justin Masterson
Careerverified
Per 600 PAverified
2
33.33
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Justin Masterson
Careerverified
Per 600 PAverified
3
50
Charlie Kerfeld
Career
Per 600 PA
-1.72
-35.51
Justin Masterson
Careerverified
Per 600 PAverified
1.53
25.52
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Careerverified
Per 600 PAverified
1
20.69
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
16
331.03
Justin Masterson
Careerverified
Per 600 PAverified
13
216.67
Charlie Kerfeld
Career
Per 600 PA
1.81
1.81
Justin Masterson
Careerverified
Per 600 PAverified
2.77
2.77
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.06
0.06
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
2
41.38
Justin Masterson
Careerverified
Per 600 PAverified
3
50
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Justin Masterson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
Justin Masterson
Career
Per 600 PA