Kevin Appier vs. Jack Leiper — Career Comparison

Kevin Appier
Gen XCaliforniaThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueStarting PitcherAll-Star
Jack Leiper
Pre-GenerationalPennsylvaniaThrows LeftBats LeftNorth AmericaColumbus SolonsAmerican AssociationRelief Pitcher

Kevin Appier built a career as a starting pitcher and Jack Leiper as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Kevin Appier posted stronger surface numbers — ERA 3.74 and WHIP 1.314 compared to 5.4 and 1.778 for Jack Leiper. By the career numbers, Kevin Appier had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Kevin Appier and Jack Leiper

Kevin Appier
Careerverified
Per 9 Inningsverified
16
16
Jack Leiper
Career
Per 9 Innings
1
1
Kevin Appier
Careerverified
Per 9 Inningsverified
414
1.44
Jack Leiper
Career
Per 9 Innings
6
1.2
Kevin Appier
Careerverified
Per 9 Inningsverified
402
1.39
Jack Leiper
Career
Per 9 Innings
5
1
Kevin Appier
Careerverified
Per 9 Inningsverified
169
0.59
Jack Leiper
Career
Per 9 Innings
2
0.4
Kevin Appier
Career
Per 9 Innings
137
0.48
Jack Leiper
Careerverified
Per 9 Inningsverified
2
0.4
Kevin Appier
Careerverified
Per 9 Inningsverified
55.23
55.23
Jack Leiper
Career
Per 9 Innings
50
50
Kevin Appier
Careerverified
Per 9 Inningsverified
97.1
97.1
Jack Leiper
Career
Per 9 Innings
83.33
83.33
Kevin Appier
Careerverified
Per 9 Innings
34
0.12
Jack Leiper
Career
Per 9 Inningsverified
4
0.8
Kevin Appier
Careerverified
Per 9 Inningsverified
12
0.04
Jack Leiper
Career
Per 9 Innings
0
0
Kevin Appier
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Kevin Appier
Career
Per 9 Inningsverified
1078
3.74
Jack Leiper
Careerverified
Per 9 Innings
27
5.4
Kevin Appier
Careerverified
Per 9 Inningsverified
3.74
3.74
Jack Leiper
Career
Per 9 Innings
5.4
5.4
Kevin Appier
Careerverified
Per 9 Inningsverified
3.59
3.59
Jack Leiper
Career
Per 9 Innings
5.39
5.39
Kevin Appier
Careerverified
Per 9 Inningsverified
3.8
3.8
Jack Leiper
Career
Per 9 Innings
5.89
5.89
Kevin Appier
Career
Per 9 Innings
0.247
0.247
Jack Leiper
Careerverified
Per 9 Inningsverified
0.234
0.234
Kevin Appier
Careerverified
Per 9 Innings
7786
27
Jack Leiper
Career
Per 9 Innings
135
27
Kevin Appier
Careerverified
Per 9 Innings
2595.1
9
Jack Leiper
Career
Per 9 Innings
45
9
Kevin Appier
Career
Per 9 Innings
2425
8.41
Jack Leiper
Careerverified
Per 9 Inningsverified
41
8.2
Kevin Appier
Career
Per 9 Innings
8.41
8.41
Jack Leiper
Careerverified
Per 9 Inningsverified
8.2
8.2
Kevin Appier
Career
Per 9 Innings
232
0.8
Jack Leiper
Careerverified
Per 9 Inningsverified
3
0.6
Kevin Appier
Career
Per 9 Innings
0.8
0.8
Jack Leiper
Careerverified
Per 9 Inningsverified
0.6
0.6
Kevin Appier
Career
Per 9 Innings
0.56
0.56
Jack Leiper
Careerverified
Per 9 Inningsverified
0.5
0.5
Kevin Appier
Career
Per 9 Inningsverified
933
3.24
Jack Leiper
Careerverified
Per 9 Innings
39
7.8
Kevin Appier
Career
Per 9 Innings
51
0.18
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Kevin Appier
Careerverified
Per 9 Inningsverified
3.24
3.24
Jack Leiper
Career
Per 9 Innings
7.8
7.8
Kevin Appier
Careerverified
Per 9 Inningsverified
1994
6.91
Jack Leiper
Career
Per 9 Innings
19
3.8
Kevin Appier
Careerverified
Per 9 Inningsverified
6.91
6.91
Jack Leiper
Career
Per 9 Innings
3.8
3.8
Kevin Appier
Careerverified
Per 9 Inningsverified
4.82
4.82
Jack Leiper
Career
Per 9 Innings
3.17
3.17
Kevin Appier
Career
Per 9 Innings
1.128
1.128
Jack Leiper
Careerverified
Per 9 Inningsverified
1.289
1.289
Kevin Appier
Career
Per 9 Inningsverified
106
0.37
Jack Leiper
Careerverified
Per 9 Innings
3
0.6
Kevin Appier
Career
Per 9 Inningsverified
79
0.27
Jack Leiper
Careerverified
Per 9 Innings
4
0.8
Kevin Appier
Career
Per 9 Innings
7
0.02
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Kevin Appier
Careerverified
Per 9 Innings
10958
38
Jack Leiper
Career
Per 9 Inningsverified
218
43.6
Kevin Appier
Careerverified
Per 9 Innings
2
0.01
Jack Leiper
Career
Per 9 Inningsverified
1
0.2
Kevin Appier
Career
Per 9 Inningsverified
1168
4.05
Jack Leiper
Careerverified
Per 9 Innings
43
8.6
Kevin Appier
Careerverified
Per 9 Inningsverified
4.05
4.05
Jack Leiper
Career
Per 9 Innings
8.6
8.6
Kevin Appier
Career
Per 9 Innings
67
0.23
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Kevin Appier
Career
Per 9 Innings
72
0.25
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Kevin Appier
Careerverified
Per 9 Inningsverified
207
0.72
Jack Leiper
Career
Per 9 Innings
0
0
Kevin Appier
Careerverified
Per 9 Inningsverified
1.294
1.294
Jack Leiper
Career
Per 9 Innings
1.778
1.778
Kevin Appier
Careerverified
Per 9 Innings
9807
34.01
Jack Leiper
Career
Per 9 Inningsverified
175
35
Kevin Appier
Careerverified
Per 9 Inningsverified
2.82
2.82
Jack Leiper
Career
Per 9 Innings
7.17
7.17
Kevin Appier
Career
Per 9 Innings
0.289
0.289
Jack Leiper
Careerverified
Per 9 Inningsverified
0.248
0.248
Kevin Appier
Career
Per 9 Innings
38
38
Jack Leiper
Careerverified
Per 9 Inningsverified
43.6
43.6

Fielding Stats for Kevin Appier and Jack Leiper

Kevin Appier
Careerverified
Per 9 Inningsverified
16
16
Jack Leiper
Career
Per 9 Innings
1
1
Kevin Appier
Careerverified
Per 9 Inningsverified
414
1.44
Jack Leiper
Career
Per 9 Innings
7
1.26
Kevin Appier
Careerverified
Per 9 Inningsverified
402
1.39
Jack Leiper
Career
Per 9 Innings
0
0
Kevin Appier
Careerverified
Per 9 Innings
7786
27
Jack Leiper
Career
Per 9 Innings
150
27
Kevin Appier
Careerverified
Per 9 Innings
2595.1
9
Jack Leiper
Career
Per 9 Innings
50
9
Kevin Appier
Careerverified
Per 9 Innings
202
0.7
Jack Leiper
Career
Per 9 Inningsverified
4
0.72
Kevin Appier
Careerverified
Per 9 Innings
225
0.78
Jack Leiper
Career
Per 9 Inningsverified
8
1.44
Kevin Appier
Career
Per 9 Inningsverified
12
0.04
Jack Leiper
Careerverified
Per 9 Innings
3
0.54
Kevin Appier
Careerverified
Per 9 Innings
439
1.52
Jack Leiper
Career
Per 9 Inningsverified
15
2.7
Kevin Appier
Careerverified
Per 9 Innings
427
1.48
Jack Leiper
Career
Per 9 Inningsverified
12
2.16
Kevin Appier
Careerverified
Per 9 Inningsverified
97.27
97.27
Jack Leiper
Career
Per 9 Innings
80
80
Kevin Appier
Career
Per 9 Innings
1.031
1.031
Jack Leiper
Careerverified
Per 9 Inningsverified
1.714
1.714
Kevin Appier
Careerverified
Per 9 Inningsverified
97.1
97.1
Jack Leiper
Career
Per 9 Innings
0
0
Kevin Appier
Careerverified
Per 9 Innings
25
0.09
Jack Leiper
Career
Per 9 Inningsverified
1
0.18
Kevin Appier
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Kevin Appier
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Kevin Appier
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Kevin Appier
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0

Hitting Stats for Kevin Appier and Jack Leiper

Kevin Appier
Careerverified
Per 600 PAverified
16
16
Jack Leiper
Career
Per 600 PA
1
1
Kevin Appier
Careerverified
Per 600 PAverified
414
2760
Jack Leiper
Career
Per 600 PA
6
171.43
Kevin Appier
Careerverified
Per 600 PA
90
600
Jack Leiper
Career
Per 600 PA
21
600
Kevin Appier
Careerverified
Per 600 PA
83
553.33
Jack Leiper
Career
Per 600 PAverified
21
600
Kevin Appier
Career
Per 600 PA
0.096
0.096
Jack Leiper
Careerverified
Per 600 PAverified
0.143
0.143
Kevin Appier
Career
Per 600 PA
0.267
0.267
Jack Leiper
Careerverified
Per 600 PAverified
0.286
0.286
Kevin Appier
Careerverified
Per 600 PA
8
53.33
Jack Leiper
Career
Per 600 PAverified
3
85.71
Kevin Appier
Careerverified
Per 600 PA
8
53.33
Jack Leiper
Career
Per 600 PAverified
3
85.71
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Careerverified
Per 600 PA
0.88
5.88
Jack Leiper
Career
Per 600 PAverified
0.38
10.96
Kevin Appier
Careerverified
Per 600 PA
8
53.33
Jack Leiper
Career
Per 600 PAverified
3
85.71
Kevin Appier
Careerverified
Per 600 PA
10
66.67
Jack Leiper
Career
Per 600 PAverified
3
85.71
Kevin Appier
Career
Per 600 PA
0.118
0.118
Jack Leiper
Careerverified
Per 600 PAverified
0.143
0.143
Kevin Appier
Career
Per 600 PA
0.096
0.096
Jack Leiper
Careerverified
Per 600 PAverified
0.143
0.143
Kevin Appier
Career
Per 600 PA
0.214
0.214
Jack Leiper
Careerverified
Per 600 PAverified
0.286
0.286
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0.077
0.077
Jack Leiper
Careerverified
Per 600 PAverified
0.1
0.1
Kevin Appier
Career
Per 600 PA
0.133
0.133
Jack Leiper
Careerverified
Per 600 PAverified
0.167
0.167
Kevin Appier
Career
Per 600 PA
0.182
0.182
Jack Leiper
Careerverified
Per 600 PAverified
0.2
0.2
Kevin Appier
Careerverified
Per 600 PA
4
26.67
Jack Leiper
Career
Per 600 PAverified
2
57.14
Kevin Appier
Careerverified
Per 600 PA
4
26.67
Jack Leiper
Career
Per 600 PAverified
3
85.71
Kevin Appier
Careerverified
Per 600 PA
8
53.33
Jack Leiper
Career
Per 600 PAverified
5
142.86
Kevin Appier
Career
Per 600 PA
-2.46
-16.42
Jack Leiper
Careerverified
Per 600 PAverified
-0.11
-3.09
Kevin Appier
Careerverified
Per 600 PAverified
1
6.67
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Careerverified
Per 600 PAverified
1
6.67
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
39
260
Jack Leiper
Careerverified
Per 600 PAverified
6
171.43
Kevin Appier
Career
Per 600 PA
2.31
2.31
Jack Leiper
Careerverified
Per 600 PAverified
3.5
3.5
Kevin Appier
Careerverified
Per 600 PAverified
0.03
0.03
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Careerverified
Per 600 PAverified
5
33.33
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Kevin Appier
Career
Per 600 PA
Jack Leiper
Career
Per 600 PA