Jack Leiper vs. Roy Roberts — Career Comparison

Jack Leiper
Pre-GenerationalPennsylvaniaThrows LeftBats LeftNorth AmericaColumbus SolonsAmerican AssociationRelief Pitcher
Roy Roberts
Lost GenerationFloridaThrows RightBats RightNorth AmericaAtlantic City Bacharach GiantsAmerican Negro LeagueStarting Pitcher

Roy Roberts 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. Roy Roberts posted stronger surface numbers — ERA 4.66 and WHIP 1.487 compared to 5.4 and 1.778 for Jack Leiper. By the career numbers, Roy Roberts had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jack Leiper and Roy Roberts

Jack Leiper
Career
Per 9 Innings
1
1
Roy Roberts
Careerverified
Per 9 Inningsverified
12
12
Jack Leiper
Career
Per 9 Innings
6
1.2
Roy Roberts
Careerverified
Per 9 Inningsverified
118
1.46
Jack Leiper
Career
Per 9 Innings
5
1
Roy Roberts
Careerverified
Per 9 Inningsverified
86
1.06
Jack Leiper
Career
Per 9 Innings
2
0.4
Roy Roberts
Careerverified
Per 9 Inningsverified
34
0.42
Jack Leiper
Careerverified
Per 9 Inningsverified
2
0.4
Roy Roberts
Career
Per 9 Innings
45
0.56
Jack Leiper
Careerverified
Per 9 Inningsverified
50
50
Roy Roberts
Career
Per 9 Innings
43.04
43.04
Jack Leiper
Careerverified
Per 9 Inningsverified
83.33
83.33
Roy Roberts
Career
Per 9 Innings
72.88
72.88
Jack Leiper
Career
Per 9 Inningsverified
4
0.8
Roy Roberts
Careerverified
Per 9 Innings
51
0.63
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Careerverified
Per 9 Inningsverified
1
0.01
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Careerverified
Per 9 Inningsverified
1
0.01
Jack Leiper
Careerverified
Per 9 Innings
27
5.4
Roy Roberts
Career
Per 9 Inningsverified
377
4.66
Jack Leiper
Career
Per 9 Innings
5.4
5.4
Roy Roberts
Careerverified
Per 9 Inningsverified
4.66
4.66
Jack Leiper
Career
Per 9 Innings
5.39
5.39
Roy Roberts
Careerverified
Per 9 Inningsverified
4.43
4.43
Jack Leiper
Career
Per 9 Innings
5.89
5.89
Roy Roberts
Careerverified
Per 9 Inningsverified
4.07
4.07
Jack Leiper
Careerverified
Per 9 Inningsverified
0.234
0.234
Roy Roberts
Career
Per 9 Innings
0.289
0.289
Jack Leiper
Career
Per 9 Innings
135
27
Roy Roberts
Careerverified
Per 9 Innings
2183
27
Jack Leiper
Career
Per 9 Innings
45
9
Roy Roberts
Careerverified
Per 9 Innings
727.2
9
Jack Leiper
Careerverified
Per 9 Inningsverified
41
8.2
Roy Roberts
Career
Per 9 Innings
745
9.21
Jack Leiper
Careerverified
Per 9 Inningsverified
8.2
8.2
Roy Roberts
Career
Per 9 Innings
9.21
9.21
Jack Leiper
Careerverified
Per 9 Innings
3
0.6
Roy Roberts
Career
Per 9 Inningsverified
26
0.32
Jack Leiper
Career
Per 9 Innings
0.6
0.6
Roy Roberts
Careerverified
Per 9 Inningsverified
0.32
0.32
Jack Leiper
Career
Per 9 Innings
0.5
0.5
Roy Roberts
Careerverified
Per 9 Inningsverified
0.22
0.22
Jack Leiper
Careerverified
Per 9 Innings
39
7.8
Roy Roberts
Career
Per 9 Inningsverified
337
4.17
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
7.8
7.8
Roy Roberts
Careerverified
Per 9 Inningsverified
4.17
4.17
Jack Leiper
Career
Per 9 Innings
19
3.8
Roy Roberts
Careerverified
Per 9 Inningsverified
354
4.38
Jack Leiper
Career
Per 9 Innings
3.8
3.8
Roy Roberts
Careerverified
Per 9 Inningsverified
4.38
4.38
Jack Leiper
Careerverified
Per 9 Inningsverified
3.17
3.17
Roy Roberts
Career
Per 9 Innings
3
3
Jack Leiper
Careerverified
Per 9 Inningsverified
1.289
1.289
Roy Roberts
Career
Per 9 Innings
0.95
0.95
Jack Leiper
Careerverified
Per 9 Innings
3
0.6
Roy Roberts
Career
Per 9 Inningsverified
17
0.21
Jack Leiper
Careerverified
Per 9 Innings
4
0.8
Roy Roberts
Career
Per 9 Inningsverified
45
0.56
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Inningsverified
218
43.6
Roy Roberts
Careerverified
Per 9 Innings
3101
38.35
Jack Leiper
Career
Per 9 Inningsverified
1
0.2
Roy Roberts
Careerverified
Per 9 Innings
15
0.19
Jack Leiper
Careerverified
Per 9 Innings
43
8.6
Roy Roberts
Career
Per 9 Inningsverified
465
5.75
Jack Leiper
Career
Per 9 Innings
8.6
8.6
Roy Roberts
Careerverified
Per 9 Inningsverified
5.75
5.75
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Roy Roberts
Career
Per 9 Innings
138
1.71
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Careerverified
Per 9 Inningsverified
42
0.52
Jack Leiper
Career
Per 9 Innings
1.778
1.778
Roy Roberts
Careerverified
Per 9 Inningsverified
1.487
1.487
Jack Leiper
Career
Per 9 Inningsverified
175
35
Roy Roberts
Careerverified
Per 9 Innings
2581
31.92
Jack Leiper
Career
Per 9 Innings
7.17
7.17
Roy Roberts
Careerverified
Per 9 Inningsverified
3.94
3.94
Jack Leiper
Careerverified
Per 9 Inningsverified
0.248
0.248
Roy Roberts
Career
Per 9 Innings
0.327
0.327
Jack Leiper
Careerverified
Per 9 Inningsverified
43.6
43.6
Roy Roberts
Career
Per 9 Innings
38.35
38.35

Fielding Stats for Jack Leiper and Roy Roberts

Jack Leiper
Career
Per 9 Innings
1
1
Roy Roberts
Careerverified
Per 9 Inningsverified
12
12
Jack Leiper
Career
Per 9 Innings
7
1.26
Roy Roberts
Careerverified
Per 9 Inningsverified
119
1.54
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Careerverified
Per 9 Inningsverified
81
1.05
Jack Leiper
Career
Per 9 Innings
150
27
Roy Roberts
Careerverified
Per 9 Innings
2092
27
Jack Leiper
Career
Per 9 Innings
50
9
Roy Roberts
Careerverified
Per 9 Innings
697.1
9
Jack Leiper
Career
Per 9 Inningsverified
4
0.72
Roy Roberts
Careerverified
Per 9 Innings
28
0.36
Jack Leiper
Career
Per 9 Innings
8
1.44
Roy Roberts
Careerverified
Per 9 Inningsverified
186
2.4
Jack Leiper
Careerverified
Per 9 Innings
3
0.54
Roy Roberts
Career
Per 9 Inningsverified
21
0.27
Jack Leiper
Career
Per 9 Innings
15
2.7
Roy Roberts
Careerverified
Per 9 Inningsverified
235
3.03
Jack Leiper
Career
Per 9 Innings
12
2.16
Roy Roberts
Careerverified
Per 9 Inningsverified
214
2.76
Jack Leiper
Career
Per 9 Innings
80
80
Roy Roberts
Careerverified
Per 9 Inningsverified
91.06
91.06
Jack Leiper
Career
Per 9 Innings
1.714
1.714
Roy Roberts
Careerverified
Per 9 Inningsverified
1.798
1.798
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Careerverified
Per 9 Inningsverified
68.07
68.07
Jack Leiper
Career
Per 9 Inningsverified
1
0.18
Roy Roberts
Careerverified
Per 9 Innings
5
0.06
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Roy Roberts
Career
Per 9 Innings
0
0

Hitting Stats for Jack Leiper and Roy Roberts

Jack Leiper
Career
Per 600 PA
1
1
Roy Roberts
Careerverified
Per 600 PAverified
12
12
Jack Leiper
Career
Per 600 PA
6
171.43
Roy Roberts
Careerverified
Per 600 PAverified
125
240.38
Jack Leiper
Career
Per 600 PA
21
600
Roy Roberts
Careerverified
Per 600 PA
312
600
Jack Leiper
Career
Per 600 PAverified
21
600
Roy Roberts
Careerverified
Per 600 PA
285
548.08
Jack Leiper
Career
Per 600 PA
0.143
0.143
Roy Roberts
Careerverified
Per 600 PAverified
0.186
0.186
Jack Leiper
Career
Per 600 PA
0.286
0.286
Roy Roberts
Careerverified
Per 600 PAverified
0.48
0.48
Jack Leiper
Career
Per 600 PA
3
85.71
Roy Roberts
Careerverified
Per 600 PAverified
53
101.92
Jack Leiper
Career
Per 600 PA
3
85.71
Roy Roberts
Careerverified
Per 600 PAverified
46
88.46
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
3
5.77
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
4
7.69
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
7
13.46
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
0.132
0.132
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0.38
10.96
Roy Roberts
Careerverified
Per 600 PAverified
13.9
26.73
Jack Leiper
Career
Per 600 PA
3
85.71
Roy Roberts
Careerverified
Per 600 PAverified
64
123.08
Jack Leiper
Career
Per 600 PA
3
85.71
Roy Roberts
Careerverified
Per 600 PAverified
63
121.15
Jack Leiper
Career
Per 600 PA
0.143
0.143
Roy Roberts
Careerverified
Per 600 PAverified
0.214
0.214
Jack Leiper
Career
Per 600 PA
0.143
0.143
Roy Roberts
Careerverified
Per 600 PAverified
0.225
0.225
Jack Leiper
Career
Per 600 PA
0.286
0.286
Roy Roberts
Careerverified
Per 600 PAverified
0.438
0.438
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
0.039
0.039
Jack Leiper
Career
Per 600 PA
0.1
0.1
Roy Roberts
Careerverified
Per 600 PAverified
0.152
0.152
Jack Leiper
Career
Per 600 PA
0.167
0.167
Roy Roberts
Careerverified
Per 600 PAverified
0.323
0.323
Jack Leiper
Careerverified
Per 600 PAverified
0.2
0.2
Roy Roberts
Career
Per 600 PA
0.187
0.187
Jack Leiper
Career
Per 600 PA
2
57.14
Roy Roberts
Careerverified
Per 600 PAverified
32
61.54
Jack Leiper
Career
Per 600 PAverified
3
85.71
Roy Roberts
Careerverified
Per 600 PA
16
30.77
Jack Leiper
Career
Per 600 PAverified
5
142.86
Roy Roberts
Careerverified
Per 600 PA
48
92.31
Jack Leiper
Career
Per 600 PA
-0.11
-3.09
Roy Roberts
Careerverified
Per 600 PAverified
14.76
28.38
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
10
19.23
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
6
171.43
Roy Roberts
Careerverified
Per 600 PAverified
2
3.85
Jack Leiper
Career
Per 600 PA
3.5
3.5
Roy Roberts
Careerverified
Per 600 PAverified
156
156
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
5
5
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
17
32.69
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
1
1.92
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Roy Roberts
Careerverified
Per 600 PAverified
1
1.92
Jack Leiper
Career
Per 600 PA
Roy Roberts
Careerverified
Per 600 PAverified
100
100