Charlie Kerfeld vs. Dave Leiper — Career Comparison

Charlie Kerfeld
Baby BoomersMissouriThrows RightBats RightNorth AmericaHouston AstrosAmerican LeagueRelief Pitcher
Dave Leiper
Baby BoomersCaliforniaThrows LeftBats LeftNorth AmericaOakland AthleticsAmerican LeagueRelief Pitcher

The numbers give Dave Leiper a clear advantage over Charlie Kerfeld across the core pitching metrics. Dave Leiper led in walk avoidance (BB%+ 121 vs 81), home run suppression (HR9+ 200 vs 170), and run prevention (ERA+ 139 vs 116). Charlie Kerfeld held the edge in strikeout rate (K%+ 112 vs 85). Dave Leiper was the better reliever — the numbers make that case clearly.

Pitching Stats for Charlie Kerfeld and Dave Leiper

Charlie Kerfeld
Career
Per 9 Innings
4
4
Dave Leiper
Careerverified
Per 9 Inningsverified
8
8
Charlie Kerfeld
Career
Per 9 Innings
123
5.49
Dave Leiper
Careerverified
Per 9 Inningsverified
264
8.55
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
6
0.27
Dave Leiper
Career
Per 9 Innings
0
0
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
18
0.8
Dave Leiper
Career
Per 9 Innings
12
0.39
Charlie Kerfeld
Career
Per 9 Innings
9
0.4
Dave Leiper
Careerverified
Per 9 Inningsverified
8
0.26
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
66.67
66.67
Dave Leiper
Career
Per 9 Innings
60
60
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.88
4.88
Dave Leiper
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Dave Leiper
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Dave Leiper
Career
Per 9 Innings
0
0
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
9
0.4
Dave Leiper
Career
Per 9 Innings
7
0.23
Charlie Kerfeld
Careerverified
Per 9 Innings
94
4.2
Dave Leiper
Career
Per 9 Inningsverified
123
3.98
Charlie Kerfeld
Career
Per 9 Innings
4.2
4.2
Dave Leiper
Careerverified
Per 9 Inningsverified
3.98
3.98
Charlie Kerfeld
Career
Per 9 Innings
4.12
4.12
Dave Leiper
Career
Per 9 Innings
4.12
4.12
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.02
4.02
Dave Leiper
Career
Per 9 Innings
4.4
4.4
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.256
0.256
Dave Leiper
Career
Per 9 Innings
0.266
0.266
Charlie Kerfeld
Career
Per 9 Innings
605
27
Dave Leiper
Careerverified
Per 9 Innings
834
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Dave Leiper
Careerverified
Per 9 Innings
278
9
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
189
8.43
Dave Leiper
Career
Per 9 Innings
282
9.13
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
8.43
8.43
Dave Leiper
Career
Per 9 Innings
9.13
9.13
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
12
0.54
Dave Leiper
Career
Per 9 Innings
25
0.81
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.54
0.54
Dave Leiper
Career
Per 9 Innings
0.81
0.81
Charlie Kerfeld
Career
Per 9 Innings
0.1
0.1
Dave Leiper
Careerverified
Per 9 Inningsverified
0.09
0.09
Charlie Kerfeld
Career
Per 9 Innings
117
5.22
Dave Leiper
Careerverified
Per 9 Inningsverified
114
3.69
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
11
0.49
Dave Leiper
Career
Per 9 Innings
17
0.55
Charlie Kerfeld
Career
Per 9 Innings
5.22
5.22
Dave Leiper
Careerverified
Per 9 Inningsverified
3.69
3.69
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
155
6.92
Dave Leiper
Career
Per 9 Innings
150
4.86
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
6.92
6.92
Dave Leiper
Career
Per 9 Innings
4.86
4.86
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
1.26
1.26
Dave Leiper
Career
Per 9 Innings
0.57
0.57
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
1.349
1.349
Dave Leiper
Career
Per 9 Innings
0.95
0.95
Charlie Kerfeld
Careerverified
Per 9 Innings
9
0.4
Dave Leiper
Career
Per 9 Inningsverified
12
0.39
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
3
0.13
Dave Leiper
Career
Per 9 Innings
7
0.23
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
2
0.09
Dave Leiper
Career
Per 9 Innings
3
0.1
Charlie Kerfeld
Career
Per 9 Inningsverified
888
39.63
Dave Leiper
Careerverified
Per 9 Innings
1212
39.24
Charlie Kerfeld
Career
Per 9 Inningsverified
53
2.37
Dave Leiper
Careerverified
Per 9 Innings
65
2.1
Charlie Kerfeld
Careerverified
Per 9 Innings
104
4.64
Dave Leiper
Career
Per 9 Inningsverified
141
4.56
Charlie Kerfeld
Career
Per 9 Innings
4.64
4.64
Dave Leiper
Careerverified
Per 9 Inningsverified
4.56
4.56
Charlie Kerfeld
Careerverified
Per 9 Innings
16
0.71
Dave Leiper
Career
Per 9 Inningsverified
18
0.58
Charlie Kerfeld
Careerverified
Per 9 Innings
13
0.58
Dave Leiper
Career
Per 9 Inningsverified
14
0.45
Charlie Kerfeld
Career
Per 9 Inningsverified
25
1.12
Dave Leiper
Careerverified
Per 9 Innings
26
0.84
Charlie Kerfeld
Career
Per 9 Innings
1.517
1.517
Dave Leiper
Careerverified
Per 9 Inningsverified
1.425
1.425
Charlie Kerfeld
Career
Per 9 Innings
739
32.98
Dave Leiper
Careerverified
Per 9 Inningsverified
1059
34.28
Charlie Kerfeld
Career
Per 9 Innings
0.85
0.85
Dave Leiper
Careerverified
Per 9 Inningsverified
0.53
0.53
Charlie Kerfeld
Career
Per 9 Innings
0.309
0.309
Dave Leiper
Careerverified
Per 9 Inningsverified
0.291
0.291
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
39.63
39.63
Dave Leiper
Career
Per 9 Innings
39.24
39.24

Fielding Stats for Charlie Kerfeld and Dave Leiper

Charlie Kerfeld
Career
Per 9 Innings
4
4
Dave Leiper
Careerverified
Per 9 Inningsverified
8
8
Charlie Kerfeld
Career
Per 9 Innings
123
5.49
Dave Leiper
Careerverified
Per 9 Inningsverified
264
8.55
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
6
0.27
Dave Leiper
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
605
27
Dave Leiper
Careerverified
Per 9 Innings
834
27
Charlie Kerfeld
Career
Per 9 Innings
201.2
9
Dave Leiper
Careerverified
Per 9 Innings
278
9
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
19
0.85
Dave Leiper
Career
Per 9 Innings
14
0.45
Charlie Kerfeld
Career
Per 9 Innings
16
0.71
Dave Leiper
Careerverified
Per 9 Inningsverified
53
1.72
Charlie Kerfeld
Career
Per 9 Innings
5
0.22
Dave Leiper
Careerverified
Per 9 Inningsverified
4
0.13
Charlie Kerfeld
Career
Per 9 Innings
40
1.79
Dave Leiper
Careerverified
Per 9 Inningsverified
71
2.3
Charlie Kerfeld
Career
Per 9 Innings
35
1.56
Dave Leiper
Careerverified
Per 9 Inningsverified
67
2.17
Charlie Kerfeld
Career
Per 9 Innings
87.5
87.5
Dave Leiper
Careerverified
Per 9 Inningsverified
94.37
94.37
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
0.285
0.285
Dave Leiper
Career
Per 9 Innings
0.254
0.254
Charlie Kerfeld
Careerverified
Per 9 Inningsverified
4.88
4.88
Dave Leiper
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
2
0.09
Dave Leiper
Careerverified
Per 9 Inningsverified
3
0.1
Charlie Kerfeld
Career
Per 9 Innings
0
0
Dave Leiper
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Dave Leiper
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Dave Leiper
Career
Per 9 Innings
0
0
Charlie Kerfeld
Career
Per 9 Innings
0
0
Dave Leiper
Career
Per 9 Innings
0
0

Hitting Stats for Charlie Kerfeld and Dave Leiper

Charlie Kerfeld
Career
Per 600 PA
4
4
Dave Leiper
Careerverified
Per 600 PAverified
8
8
Charlie Kerfeld
Career
Per 600 PA
123
2544.83
Dave Leiper
Careerverified
Per 600 PAverified
264
39600
Charlie Kerfeld
Careerverified
Per 600 PA
29
600
Dave Leiper
Career
Per 600 PA
4
600
Charlie Kerfeld
Careerverified
Per 600 PA
26
537.93
Dave Leiper
Career
Per 600 PAverified
4
600
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Dave Leiper
Careerverified
Per 600 PAverified
0.25
0.25
Charlie Kerfeld
Career
Per 600 PA
0.19
0.19
Dave Leiper
Careerverified
Per 600 PAverified
0.5
0.5
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Dave Leiper
Career
Per 600 PAverified
1
150
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Dave Leiper
Career
Per 600 PAverified
1
150
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0.08
1.58
Dave Leiper
Careerverified
Per 600 PAverified
0.23
34.02
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Dave Leiper
Career
Per 600 PAverified
1
150
Charlie Kerfeld
Careerverified
Per 600 PA
2
41.38
Dave Leiper
Career
Per 600 PAverified
1
150
Charlie Kerfeld
Career
Per 600 PA
0.074
0.074
Dave Leiper
Careerverified
Per 600 PAverified
0.25
0.25
Charlie Kerfeld
Career
Per 600 PA
0.039
0.039
Dave Leiper
Careerverified
Per 600 PAverified
0.25
0.25
Charlie Kerfeld
Career
Per 600 PA
0.113
0.113
Dave Leiper
Careerverified
Per 600 PAverified
0.5
0.5
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0.043
0.043
Dave Leiper
Careerverified
Per 600 PAverified
0.175
0.175
Charlie Kerfeld
Career
Per 600 PA
0.08
0.08
Dave Leiper
Careerverified
Per 600 PAverified
0.333
0.333
Charlie Kerfeld
Career
Per 600 PA
0.1
0.1
Dave Leiper
Careerverified
Per 600 PAverified
0.5
0.5
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Dave Leiper
Career
Per 600 PAverified
1
150
Charlie Kerfeld
Career
Per 600 PA
1
20.69
Dave Leiper
Career
Per 600 PAverified
1
150
Charlie Kerfeld
Career
Per 600 PA
-1.72
-35.51
Dave Leiper
Careerverified
Per 600 PAverified
0.28
41.68
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Careerverified
Per 600 PAverified
1
20.69
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
16
331.03
Dave Leiper
Careerverified
Per 600 PAverified
2
300
Charlie Kerfeld
Career
Per 600 PA
1.81
1.81
Dave Leiper
Careerverified
Per 600 PAverified
2
2
Charlie Kerfeld
Careerverified
Per 600 PAverified
0.06
0.06
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Careerverified
Per 600 PAverified
2
41.38
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
0
0
Dave Leiper
Career
Per 600 PA
0
0
Charlie Kerfeld
Career
Per 600 PA
Dave Leiper
Career
Per 600 PA