Charlie Kerfeld vs. Gregg Olson — Career Comparison

Charlie Kerfeld
Baby BoomersMissouriThrows RightBats RightNorth AmericaHouston AstrosAmerican LeagueRelief Pitcher
Gregg Olson
Gen XNebraskaThrows RightBats RightNorth AmericaBaltimore OriolesAmerican LeagueRelief PitcherRookie of the YearAll-Star

Charlie Kerfeld and Gregg Olson are about as close as two relievers get — the gap between them is negligible across the key measures. Their run-prevention numbers were nearly identical — ERA+ of 116 for Charlie Kerfeld and 118 for Gregg Olson, with skill-based marks of DICE+ 109 and 110 respectively. If forced to pick, Gregg Olson gets the slight nod, but this is a genuinely even pairing.

Pitching Stats for Charlie Kerfeld and Gregg Olson

Charlie Kerfeld
Career
Per 9 Innings
4
4
Gregg Olson
Careerverified
Per 9 Inningsverified
14
14
Charlie Kerfeld
Career
Per 9 Innings
123
5.49
Gregg Olson
Careerverified
Per 9 Inningsverified
622
8.33
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
6
0.27
Gregg Olson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Inningsverified
18
0.8
Gregg Olson
Careerverified
Per 9 Innings
40
0.54
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Gregg Olson
Career
Per 9 Innings
39
0.52
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
66.67
66.67
Gregg Olson
Career
Per 9 Innings
50.63
50.63
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.88
4.88
Gregg Olson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Gregg Olson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Gregg Olson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
9
0.4
Gregg Olson
Careerverified
Per 9 Inningsverified
217
2.91
Charlie Kerfeld
Careerverified
Per 9 Innings
94
4.2
Gregg Olson
Career
Per 9 Inningsverified
258
3.46
Charlie Kerfeld
Career
Per 9 Innings
4.2
4.2
Gregg Olson
Careerverified
Per 9 Inningsverified
3.46
3.46
Charlie Kerfeld
Career
Per 9 Innings
4.12
4.12
Gregg Olson
Careerverified
Per 9 Inningsverified
3.57
3.57
Charlie Kerfeld
Career
Per 9 Innings
4.02
4.02
Gregg Olson
Careerverified
Per 9 Inningsverified
3.67
3.67
Charlie Kerfeld
Career
Per 9 Innings
0.256
0.256
Gregg Olson
Careerverified
Per 9 Inningsverified
0.239
0.239
Charlie Kerfeld
Career
Per 9 Innings
605
27
Gregg Olson
Careerverified
Per 9 Innings
2016
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Gregg Olson
Careerverified
Per 9 Innings
672
9
Charlie Kerfeld
Careerverified
Per 9 Innings
189
8.43
Gregg Olson
Career
Per 9 Inningsverified
598
8.01
Charlie Kerfeld
Career
Per 9 Innings
8.43
8.43
Gregg Olson
Careerverified
Per 9 Inningsverified
8.01
8.01
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
12
0.54
Gregg Olson
Career
Per 9 Innings
46
0.62
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.54
0.54
Gregg Olson
Career
Per 9 Innings
0.62
0.62
Charlie Kerfeld
Career
Per 9 Innings
0.1
0.1
Gregg Olson
Careerverified
Per 9 Inningsverified
0.07
0.07
Charlie Kerfeld
Careerverified
Per 9 Innings
117
5.22
Gregg Olson
Career
Per 9 Inningsverified
330
4.42
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
11
0.49
Gregg Olson
Career
Per 9 Innings
41
0.55
Charlie Kerfeld
Career
Per 9 Innings
5.22
5.22
Gregg Olson
Careerverified
Per 9 Inningsverified
4.42
4.42
Charlie Kerfeld
Career
Per 9 Innings
155
6.92
Gregg Olson
Careerverified
Per 9 Inningsverified
588
7.88
Charlie Kerfeld
Career
Per 9 Innings
6.92
6.92
Gregg Olson
Careerverified
Per 9 Inningsverified
7.88
7.88
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
1.26
1.26
Gregg Olson
Career
Per 9 Innings
0.95
0.95
Charlie Kerfeld
Career
Per 9 Innings
1.349
1.349
Gregg Olson
Careerverified
Per 9 Inningsverified
1.366
1.366
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Gregg Olson
Career
Per 9 Innings
43
0.58
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
3
0.13
Gregg Olson
Career
Per 9 Innings
12
0.16
Charlie Kerfeld
Careerverified
Per 9 Innings
2
0.09
Gregg Olson
Career
Per 9 Innings
7
0.09
Charlie Kerfeld
Career
Per 9 Inningsverified
888
39.63
Gregg Olson
Careerverified
Per 9 Innings
2889
38.69
Charlie Kerfeld
Career
Per 9 Innings
53
2.37
Gregg Olson
Careerverified
Per 9 Inningsverified
447
5.99
Charlie Kerfeld
Careerverified
Per 9 Innings
104
4.64
Gregg Olson
Career
Per 9 Inningsverified
275
3.68
Charlie Kerfeld
Career
Per 9 Innings
4.64
4.64
Gregg Olson
Careerverified
Per 9 Inningsverified
3.68
3.68
Charlie Kerfeld
Careerverified
Per 9 Innings
16
0.71
Gregg Olson
Career
Per 9 Inningsverified
23
0.31
Charlie Kerfeld
Careerverified
Per 9 Innings
13
0.58
Gregg Olson
Career
Per 9 Inningsverified
20
0.27
Charlie Kerfeld
Career
Per 9 Inningsverified
25
1.12
Gregg Olson
Careerverified
Per 9 Innings
54
0.72
Charlie Kerfeld
Career
Per 9 Innings
1.517
1.517
Gregg Olson
Careerverified
Per 9 Inningsverified
1.381
1.381
Charlie Kerfeld
Career
Per 9 Innings
739
32.98
Gregg Olson
Careerverified
Per 9 Inningsverified
2504
33.54
Charlie Kerfeld
Career
Per 9 Innings
0.85
0.85
Gregg Olson
Careerverified
Per 9 Inningsverified
0.44
0.44
Charlie Kerfeld
Career
Per 9 Innings
0.309
0.309
Gregg Olson
Careerverified
Per 9 Inningsverified
0.295
0.295
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
39.63
39.63
Gregg Olson
Career
Per 9 Innings
38.69
38.69

Fielding Stats for Charlie Kerfeld and Gregg Olson

Charlie Kerfeld
Career
Per 9 Innings
4
4
Gregg Olson
Careerverified
Per 9 Inningsverified
14
14
Charlie Kerfeld
Career
Per 9 Innings
123
5.49
Gregg Olson
Careerverified
Per 9 Inningsverified
622
8.33
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
6
0.27
Gregg Olson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
605
27
Gregg Olson
Careerverified
Per 9 Innings
2016
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Gregg Olson
Careerverified
Per 9 Innings
672
9
Charlie Kerfeld
Career
Per 9 Inningsverified
19
0.85
Gregg Olson
Careerverified
Per 9 Innings
44
0.59
Charlie Kerfeld
Career
Per 9 Innings
16
0.71
Gregg Olson
Careerverified
Per 9 Inningsverified
80
1.07
Charlie Kerfeld
Careerverified
Per 9 Innings
5
0.22
Gregg Olson
Career
Per 9 Inningsverified
6
0.08
Charlie Kerfeld
Career
Per 9 Inningsverified
40
1.79
Gregg Olson
Careerverified
Per 9 Innings
130
1.74
Charlie Kerfeld
Career
Per 9 Innings
35
1.56
Gregg Olson
Careerverified
Per 9 Inningsverified
124
1.66
Charlie Kerfeld
Career
Per 9 Innings
87.5
87.5
Gregg Olson
Careerverified
Per 9 Inningsverified
95.38
95.38
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.285
0.285
Gregg Olson
Career
Per 9 Innings
0.199
0.199
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.88
4.88
Gregg Olson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Inningsverified
2
0.09
Gregg Olson
Careerverified
Per 9 Innings
3
0.04
Charlie Kerfeld
Career
Per 9 Innings
0
0
Gregg Olson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Gregg Olson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Gregg Olson
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Gregg Olson
Career
Per 9 Innings
0
0

Hitting Stats for Charlie Kerfeld and Gregg Olson

Charlie Kerfeld
Career
Per 600 PA
4
4
Gregg Olson
Careerverified
Per 600 PAverified
14
14
Charlie Kerfeld
Career
Per 600 PA
123
2544.83
Gregg Olson
Careerverified
Per 600 PAverified
622
74640
Charlie Kerfeld
Careerverified
Per 600 PA
29
600
Gregg Olson
Career
Per 600 PA
5
600
Charlie Kerfeld
Careerverified
Per 600 PAverified
26
537.93
Gregg Olson
Career
Per 600 PA
4
480
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Gregg Olson
Careerverified
Per 600 PAverified
0.25
0.25
Charlie Kerfeld
Career
Per 600 PA
0.19
0.19
Gregg Olson
Careerverified
Per 600 PAverified
1.3
1.3
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Gregg Olson
Career
Per 600 PAverified
1
120
Charlie Kerfeld
Careerverified
Per 600 PAverified
1
20.69
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Careerverified
Per 600 PAverified
1
120
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Careerverified
Per 600 PAverified
1
120
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Careerverified
Per 600 PAverified
1
1
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Careerverified
Per 600 PAverified
0.25
0.25
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Careerverified
Per 600 PAverified
1
1
Charlie Kerfeld
Career
Per 600 PA
0.08
1.58
Gregg Olson
Careerverified
Per 600 PAverified
1.44
172.2
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Gregg Olson
Careerverified
Per 600 PAverified
4
480
Charlie Kerfeld
Career
Per 600 PA
2
41.38
Gregg Olson
Career
Per 600 PAverified
2
240
Charlie Kerfeld
Career
Per 600 PA
0.074
0.074
Gregg Olson
Careerverified
Per 600 PAverified
0.4
0.4
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Gregg Olson
Careerverified
Per 600 PAverified
1
1
Charlie Kerfeld
Career
Per 600 PA
0.113
0.113
Gregg Olson
Careerverified
Per 600 PAverified
1.4
1.4
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Careerverified
Per 600 PAverified
0.75
0.75
Charlie Kerfeld
Career
Per 600 PA
0.043
0.043
Gregg Olson
Careerverified
Per 600 PAverified
0.43
0.43
Charlie Kerfeld
Career
Per 600 PA
0.08
0.08
Gregg Olson
Careerverified
Per 600 PAverified
1.667
1.667
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.1
0.1
Gregg Olson
Career
Per 600 PA
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Careerverified
Per 600 PAverified
1
120
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Gregg Olson
Careerverified
Per 600 PAverified
2
240
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Gregg Olson
Careerverified
Per 600 PAverified
2
240
Charlie Kerfeld
Career
Per 600 PA
-1.72
-35.51
Gregg Olson
Careerverified
Per 600 PAverified
1.38
165.6
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Gregg Olson
Career
Per 600 PAverified
1
120
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PAverified
16
331.03
Gregg Olson
Careerverified
Per 600 PA
3
360
Charlie Kerfeld
Careerverified
Per 600 PAverified
1.81
1.81
Gregg Olson
Career
Per 600 PA
1.67
1.67
Charlie Kerfeld
Career
Per 600 PA
0.06
0.06
Gregg Olson
Careerverified
Per 600 PAverified
0.33
0.33
Charlie Kerfeld
Careerverified
Per 600 PAverified
2
41.38
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Gregg Olson
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
Gregg Olson
Career
Per 600 PA