Charlie Kerfeld vs. Clayton Mortensen — Career Comparison

Charlie Kerfeld
Baby BoomersMissouriThrows RightBats RightNorth AmericaHouston AstrosAmerican LeagueRelief Pitcher
Clayton Mortensen
MillenialIdahoThrows RightBats RightNorth AmericaBoston Red SoxAmerican LeagueRelief Pitcher

The numbers give Charlie Kerfeld a clear advantage over Clayton Mortensen across the core pitching metrics. Charlie Kerfeld led in home run suppression (HR9+ 170 vs 63), skill-based run prevention (DICE+ 109 vs 77), and strikeout rate (K%+ 112 vs 85). Clayton Mortensen held the edge in walk avoidance (BB%+ 87 vs 81). Charlie Kerfeld was the better reliever — the numbers make that case clearly.

Pitching Stats for Charlie Kerfeld and Clayton Mortensen

Charlie Kerfeld
Career
Per 9 Innings
4
4
Clayton Mortensen
Careerverified
Per 9 Inningsverified
5
5
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
123
5.49
Clayton Mortensen
Career
Per 9 Innings
74
3.98
Charlie Kerfeld
Career
Per 9 Innings
6
0.27
Clayton Mortensen
Careerverified
Per 9 Inningsverified
13
0.7
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
18
0.8
Clayton Mortensen
Career
Per 9 Innings
6
0.32
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Clayton Mortensen
Career
Per 9 Innings
11
0.59
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
66.67
66.67
Clayton Mortensen
Career
Per 9 Innings
35.29
35.29
Charlie Kerfeld
Career
Per 9 Innings
4.88
4.88
Clayton Mortensen
Careerverified
Per 9 Inningsverified
17.57
17.57
Charlie Kerfeld
Career
Per 9 Innings
0
0
Clayton Mortensen
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Clayton Mortensen
Career
Per 9 Innings
0
0
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Clayton Mortensen
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Inningsverified
94
4.2
Clayton Mortensen
Careerverified
Per 9 Innings
87
4.68
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.2
4.2
Clayton Mortensen
Career
Per 9 Innings
4.68
4.68
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.12
4.12
Clayton Mortensen
Career
Per 9 Innings
4.83
4.83
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.02
4.02
Clayton Mortensen
Career
Per 9 Innings
5.17
5.17
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.256
0.256
Clayton Mortensen
Career
Per 9 Innings
0.262
0.262
Charlie Kerfeld
Careerverified
Per 9 Innings
605
27
Clayton Mortensen
Career
Per 9 Innings
502
27
Charlie Kerfeld
Careerverified
Per 9 Innings
201.2
9
Clayton Mortensen
Career
Per 9 Innings
167.1
9
Charlie Kerfeld
Career
Per 9 Inningsverified
189
8.43
Clayton Mortensen
Careerverified
Per 9 Innings
167
8.98
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
8.43
8.43
Clayton Mortensen
Career
Per 9 Innings
8.98
8.98
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
12
0.54
Clayton Mortensen
Career
Per 9 Innings
26
1.4
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.54
0.54
Clayton Mortensen
Career
Per 9 Innings
1.4
1.4
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.1
0.1
Clayton Mortensen
Career
Per 9 Innings
0.35
0.35
Charlie Kerfeld
Career
Per 9 Innings
117
5.22
Clayton Mortensen
Careerverified
Per 9 Inningsverified
74
3.98
Charlie Kerfeld
Career
Per 9 Innings
11
0.49
Clayton Mortensen
Careerverified
Per 9 Inningsverified
5
0.27
Charlie Kerfeld
Career
Per 9 Innings
5.22
5.22
Clayton Mortensen
Careerverified
Per 9 Inningsverified
3.98
3.98
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
155
6.92
Clayton Mortensen
Career
Per 9 Innings
112
6.02
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
6.92
6.92
Clayton Mortensen
Career
Per 9 Innings
6.02
6.02
Charlie Kerfeld
Career
Per 9 Innings
1.26
1.26
Clayton Mortensen
Careerverified
Per 9 Inningsverified
1.51
1.51
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
1.349
1.349
Clayton Mortensen
Career
Per 9 Innings
1.112
1.112
Charlie Kerfeld
Career
Per 9 Inningsverified
9
0.4
Clayton Mortensen
Careerverified
Per 9 Innings
8
0.43
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
3
0.13
Clayton Mortensen
Career
Per 9 Innings
9
0.48
Charlie Kerfeld
Career
Per 9 Innings
2
0.09
Clayton Mortensen
Careerverified
Per 9 Inningsverified
0
0
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
888
39.63
Clayton Mortensen
Career
Per 9 Innings
733
39.42
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
53
2.37
Clayton Mortensen
Career
Per 9 Innings
22
1.18
Charlie Kerfeld
Career
Per 9 Inningsverified
104
4.64
Clayton Mortensen
Careerverified
Per 9 Innings
102
5.49
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.64
4.64
Clayton Mortensen
Career
Per 9 Innings
5.49
5.49
Charlie Kerfeld
Career
Per 9 Innings
16
0.71
Clayton Mortensen
Careerverified
Per 9 Inningsverified
6
0.32
Charlie Kerfeld
Career
Per 9 Innings
13
0.58
Clayton Mortensen
Careerverified
Per 9 Inningsverified
7
0.38
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
25
1.12
Clayton Mortensen
Career
Per 9 Innings
16
0.86
Charlie Kerfeld
Career
Per 9 Innings
1.517
1.517
Clayton Mortensen
Careerverified
Per 9 Inningsverified
1.44
1.44
Charlie Kerfeld
Careerverified
Per 9 Innings
739
32.98
Clayton Mortensen
Career
Per 9 Inningsverified
637
34.26
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.85
0.85
Clayton Mortensen
Career
Per 9 Innings
1.38
1.38
Charlie Kerfeld
Career
Per 9 Innings
0.309
0.309
Clayton Mortensen
Careerverified
Per 9 Inningsverified
0.283
0.283
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
39.63
39.63
Clayton Mortensen
Career
Per 9 Innings
39.42
39.42

Fielding Stats for Charlie Kerfeld and Clayton Mortensen

Charlie Kerfeld
Career
Per 9 Innings
4
4
Clayton Mortensen
Careerverified
Per 9 Inningsverified
5
5
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
123
5.49
Clayton Mortensen
Career
Per 9 Innings
74
3.98
Charlie Kerfeld
Career
Per 9 Innings
6
0.27
Clayton Mortensen
Careerverified
Per 9 Inningsverified
13
0.7
Charlie Kerfeld
Careerverified
Per 9 Innings
605
27
Clayton Mortensen
Career
Per 9 Innings
502
27
Charlie Kerfeld
Careerverified
Per 9 Innings
201.2
9
Clayton Mortensen
Career
Per 9 Innings
167.1
9
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
19
0.85
Clayton Mortensen
Career
Per 9 Innings
13
0.7
Charlie Kerfeld
Career
Per 9 Innings
16
0.71
Clayton Mortensen
Careerverified
Per 9 Inningsverified
25
1.34
Charlie Kerfeld
Career
Per 9 Innings
5
0.22
Clayton Mortensen
Careerverified
Per 9 Inningsverified
3
0.16
Charlie Kerfeld
Career
Per 9 Innings
40
1.79
Clayton Mortensen
Careerverified
Per 9 Inningsverified
41
2.21
Charlie Kerfeld
Career
Per 9 Innings
35
1.56
Clayton Mortensen
Careerverified
Per 9 Inningsverified
38
2.04
Charlie Kerfeld
Career
Per 9 Innings
87.5
87.5
Clayton Mortensen
Careerverified
Per 9 Inningsverified
92.68
92.68
Charlie Kerfeld
Career
Per 9 Innings
0.285
0.285
Clayton Mortensen
Careerverified
Per 9 Inningsverified
0.514
0.514
Charlie Kerfeld
Career
Per 9 Innings
4.88
4.88
Clayton Mortensen
Careerverified
Per 9 Inningsverified
17.57
17.57
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
2
0.09
Clayton Mortensen
Career
Per 9 Innings
1
0.05
Charlie Kerfeld
Career
Per 9 Innings
0
0
Clayton Mortensen
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Clayton Mortensen
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Clayton Mortensen
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Clayton Mortensen
Career
Per 9 Innings
0
0

Hitting Stats for Charlie Kerfeld and Clayton Mortensen

Charlie Kerfeld
Career
Per 600 PA
4
4
Clayton Mortensen
Careerverified
Per 600 PAverified
5
5
Charlie Kerfeld
Careerverified
Per 600 PAverified
123
2544.83
Clayton Mortensen
Career
Per 600 PA
74
2466.67
Charlie Kerfeld
Careerverified
Per 600 PA
29
600
Clayton Mortensen
Career
Per 600 PA
18
600
Charlie Kerfeld
Careerverified
Per 600 PAverified
26
537.93
Clayton Mortensen
Career
Per 600 PA
16
533.33
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.039
0.039
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.19
0.19
Clayton Mortensen
Career
Per 600 PA
0.139
0.139
Charlie Kerfeld
Careerverified
Per 600 PAverified
1
20.69
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Careerverified
Per 600 PAverified
1
20.69
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.08
1.58
Clayton Mortensen
Career
Per 600 PA
-0.05
-1.82
Charlie Kerfeld
Careerverified
Per 600 PAverified
1
20.69
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Careerverified
Per 600 PAverified
2
41.38
Clayton Mortensen
Career
Per 600 PA
1
33.33
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.074
0.074
Clayton Mortensen
Career
Per 600 PA
0.056
0.056
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.039
0.039
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.113
0.113
Clayton Mortensen
Career
Per 600 PA
0.056
0.056
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.043
0.043
Clayton Mortensen
Career
Per 600 PA
0.025
0.025
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.08
0.08
Clayton Mortensen
Career
Per 600 PA
0.059
0.059
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.1
0.1
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Careerverified
Per 600 PAverified
1
33.33
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Clayton Mortensen
Career
Per 600 PAverified
1
33.33
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Clayton Mortensen
Careerverified
Per 600 PAverified
2
66.67
Charlie Kerfeld
Career
Per 600 PAverified
-1.72
-35.51
Clayton Mortensen
Careerverified
Per 600 PA
-1.71
-56.96
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Clayton Mortensen
Career
Per 600 PAverified
1
33.33
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PAverified
16
331.03
Clayton Mortensen
Careerverified
Per 600 PA
11
366.67
Charlie Kerfeld
Careerverified
Per 600 PAverified
1.81
1.81
Clayton Mortensen
Career
Per 600 PA
1.64
1.64
Charlie Kerfeld
Career
Per 600 PA
0.06
0.06
Clayton Mortensen
Careerverified
Per 600 PAverified
0.09
0.09
Charlie Kerfeld
Careerverified
Per 600 PAverified
2
41.38
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Careerverified
Per 600 PAverified
1
33.33
Charlie Kerfeld
Careerverified
Per 600 PAverified
0
0
Clayton Mortensen
Career
Per 600 PA
1
33.33
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Clayton Mortensen
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
Clayton Mortensen
Career
Per 600 PA