Joan Adon vs. Jack Leiper — Career Comparison

Joan Adon
Gen ZD.R.Throws RightBats RightCaribbeanWashington NationalsNational LeagueStarting Pitcher
Jack Leiper
Pre-GenerationalPennsylvaniaThrows LeftBats LeftNorth AmericaColumbus SolonsAmerican AssociationRelief Pitcher

Joan Adon 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. Jack Leiper posted stronger surface numbers — ERA 5.4 and WHIP 1.778 compared to 6.66 and 1.723 for Joan Adon. By the career numbers, Jack Leiper had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Joan Adon and Jack Leiper

Joan Adon
Careerverified
Per 9 Inningsverified
4
4
Jack Leiper
Career
Per 9 Innings
1
1
Joan Adon
Careerverified
Per 9 Inningsverified
35
2.38
Jack Leiper
Career
Per 9 Innings
6
1.2
Joan Adon
Careerverified
Per 9 Inningsverified
26
1.77
Jack Leiper
Career
Per 9 Innings
5
1
Joan Adon
Careerverified
Per 9 Innings
3
0.2
Jack Leiper
Career
Per 9 Inningsverified
2
0.4
Joan Adon
Career
Per 9 Innings
16
1.09
Jack Leiper
Careerverified
Per 9 Inningsverified
2
0.4
Joan Adon
Career
Per 9 Innings
15.79
15.79
Jack Leiper
Careerverified
Per 9 Inningsverified
50
50
Joan Adon
Career
Per 9 Innings
74.29
74.29
Jack Leiper
Careerverified
Per 9 Inningsverified
83.33
83.33
Joan Adon
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
4
0.8
Joan Adon
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joan Adon
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joan Adon
Career
Per 9 Innings
98
6.66
Jack Leiper
Careerverified
Per 9 Inningsverified
27
5.4
Joan Adon
Career
Per 9 Innings
6.67
6.67
Jack Leiper
Careerverified
Per 9 Inningsverified
5.4
5.4
Joan Adon
Career
Per 9 Innings
6.16
6.16
Jack Leiper
Careerverified
Per 9 Inningsverified
5.39
5.39
Joan Adon
Careerverified
Per 9 Inningsverified
4.92
4.92
Jack Leiper
Career
Per 9 Innings
5.89
5.89
Joan Adon
Career
Per 9 Innings
0.288
0.288
Jack Leiper
Careerverified
Per 9 Inningsverified
0.234
0.234
Joan Adon
Careerverified
Per 9 Innings
397
27
Jack Leiper
Career
Per 9 Innings
135
27
Joan Adon
Careerverified
Per 9 Innings
132.1
9
Jack Leiper
Career
Per 9 Innings
45
9
Joan Adon
Career
Per 9 Innings
154
10.47
Jack Leiper
Careerverified
Per 9 Inningsverified
41
8.2
Joan Adon
Career
Per 9 Innings
10.47
10.47
Jack Leiper
Careerverified
Per 9 Inningsverified
8.2
8.2
Joan Adon
Career
Per 9 Innings
19
1.29
Jack Leiper
Careerverified
Per 9 Inningsverified
3
0.6
Joan Adon
Career
Per 9 Innings
1.29
1.29
Jack Leiper
Careerverified
Per 9 Inningsverified
0.6
0.6
Joan Adon
Career
Per 9 Innings
0.54
0.54
Jack Leiper
Careerverified
Per 9 Inningsverified
0.5
0.5
Joan Adon
Career
Per 9 Inningsverified
70
4.76
Jack Leiper
Careerverified
Per 9 Innings
39
7.8
Joan Adon
Career
Per 9 Innings
4
0.27
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Joan Adon
Careerverified
Per 9 Inningsverified
4.76
4.76
Jack Leiper
Career
Per 9 Innings
7.8
7.8
Joan Adon
Careerverified
Per 9 Inningsverified
118
8.03
Jack Leiper
Career
Per 9 Innings
19
3.8
Joan Adon
Careerverified
Per 9 Inningsverified
8.03
8.03
Jack Leiper
Career
Per 9 Innings
3.8
3.8
Joan Adon
Careerverified
Per 9 Inningsverified
3.37
3.37
Jack Leiper
Career
Per 9 Innings
3.17
3.17
Joan Adon
Careerverified
Per 9 Inningsverified
1.421
1.421
Jack Leiper
Career
Per 9 Innings
1.289
1.289
Joan Adon
Career
Per 9 Innings
14
0.95
Jack Leiper
Careerverified
Per 9 Inningsverified
3
0.6
Joan Adon
Career
Per 9 Inningsverified
11
0.75
Jack Leiper
Careerverified
Per 9 Innings
4
0.8
Joan Adon
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joan Adon
Careerverified
Per 9 Innings
622
42.3
Jack Leiper
Career
Per 9 Inningsverified
218
43.6
Joan Adon
Careerverified
Per 9 Inningsverified
7
0.48
Jack Leiper
Career
Per 9 Innings
1
0.2
Joan Adon
Career
Per 9 Inningsverified
100
6.8
Jack Leiper
Careerverified
Per 9 Innings
43
8.6
Joan Adon
Careerverified
Per 9 Inningsverified
6.8
6.8
Jack Leiper
Career
Per 9 Innings
8.6
8.6
Joan Adon
Career
Per 9 Innings
3
0.2
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Joan Adon
Career
Per 9 Innings
4
0.27
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Joan Adon
Careerverified
Per 9 Inningsverified
10
0.68
Jack Leiper
Career
Per 9 Innings
0
0
Joan Adon
Careerverified
Per 9 Inningsverified
1.693
1.693
Jack Leiper
Career
Per 9 Innings
1.778
1.778
Joan Adon
Careerverified
Per 9 Inningsverified
534
36.32
Jack Leiper
Career
Per 9 Innings
175
35
Joan Adon
Careerverified
Per 9 Inningsverified
2.86
2.86
Jack Leiper
Career
Per 9 Innings
7.17
7.17
Joan Adon
Career
Per 9 Innings
0.34
0.34
Jack Leiper
Careerverified
Per 9 Inningsverified
0.248
0.248
Joan Adon
Career
Per 9 Innings
42.3
42.3
Jack Leiper
Careerverified
Per 9 Inningsverified
43.6
43.6

Fielding Stats for Joan Adon and Jack Leiper

Joan Adon
Careerverified
Per 9 Inningsverified
4
4
Jack Leiper
Career
Per 9 Innings
1
1
Joan Adon
Careerverified
Per 9 Inningsverified
35
2.38
Jack Leiper
Career
Per 9 Innings
7
1.26
Joan Adon
Careerverified
Per 9 Inningsverified
26
1.77
Jack Leiper
Career
Per 9 Innings
0
0
Joan Adon
Careerverified
Per 9 Innings
397
27
Jack Leiper
Career
Per 9 Innings
150
27
Joan Adon
Careerverified
Per 9 Innings
132.1
9
Jack Leiper
Career
Per 9 Innings
50
9
Joan Adon
Careerverified
Per 9 Inningsverified
16
1.09
Jack Leiper
Career
Per 9 Innings
4
0.72
Joan Adon
Careerverified
Per 9 Innings
18
1.22
Jack Leiper
Career
Per 9 Inningsverified
8
1.44
Joan Adon
Careerverified
Per 9 Inningsverified
2
0.14
Jack Leiper
Career
Per 9 Innings
3
0.54
Joan Adon
Careerverified
Per 9 Innings
36
2.45
Jack Leiper
Career
Per 9 Inningsverified
15
2.7
Joan Adon
Careerverified
Per 9 Inningsverified
34
2.31
Jack Leiper
Career
Per 9 Innings
12
2.16
Joan Adon
Careerverified
Per 9 Inningsverified
94.44
94.44
Jack Leiper
Career
Per 9 Innings
80
80
Joan Adon
Career
Per 9 Innings
0.971
0.971
Jack Leiper
Careerverified
Per 9 Inningsverified
1.714
1.714
Joan Adon
Careerverified
Per 9 Inningsverified
74.29
74.29
Jack Leiper
Career
Per 9 Innings
0
0
Joan Adon
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
1
0.18
Joan Adon
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joan Adon
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joan Adon
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joan Adon
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0

Hitting Stats for Joan Adon and Jack Leiper

Joan Adon
Careerverified
Per 600 PAverified
4
4
Jack Leiper
Career
Per 600 PA
1
1
Joan Adon
Careerverified
Per 600 PAverified
35
10500
Jack Leiper
Career
Per 600 PA
6
171.43
Joan Adon
Career
Per 600 PA
2
600
Jack Leiper
Careerverified
Per 600 PA
21
600
Joan Adon
Career
Per 600 PA
2
600
Jack Leiper
Careerverified
Per 600 PA
21
600
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0.143
0.143
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0.286
0.286
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
3
85.71
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
3
85.71
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0.38
10.96
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
3
85.71
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
3
85.71
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0.143
0.143
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0.143
0.143
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0.286
0.286
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0.1
0.1
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0.167
0.167
Joan Adon
Career
Per 600 PA
Jack Leiper
Careerverified
Per 600 PAverified
0.2
0.2
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
2
57.14
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
3
85.71
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
5
142.86
Joan Adon
Career
Per 600 PA
-0.22
-66.4
Jack Leiper
Careerverified
Per 600 PAverified
-0.11
-3.09
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Careerverified
Per 600 PA
2
600
Jack Leiper
Career
Per 600 PAverified
6
171.43
Joan Adon
Career
Per 600 PA
1
1
Jack Leiper
Careerverified
Per 600 PAverified
3.5
3.5
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joan Adon
Career
Per 600 PA
Jack Leiper
Career
Per 600 PA