Jack Leiper vs. Joe Roa — Career Comparison

Jack Leiper
Pre-GenerationalPennsylvaniaThrows LeftBats LeftNorth AmericaColumbus SolonsAmerican AssociationRelief Pitcher
Joe Roa
Gen XMichiganThrows RightBats RightNorth AmericaMinnesota TwinsAmerican LeagueRelief Pitcher

Looking at the career totals, Jack Leiper and Joe Roa are fairly close on the surface numbers. Joe Roa posted stronger numbers in ERA (4.94 vs 5.4) and WHIP (1.538 vs 1.778). Jack Leiper had the advantage in home runs allowed (0.6 per nine innings vs 1.32). By the career numbers, Joe Roa had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.

Pitching Stats for Jack Leiper and Joe Roa

Jack Leiper
Career
Per 9 Innings
1
1
Joe Roa
Careerverified
Per 9 Inningsverified
6
6
Jack Leiper
Career
Per 9 Innings
6
1.2
Joe Roa
Careerverified
Per 9 Inningsverified
120
4.06
Jack Leiper
Career
Per 9 Inningsverified
5
1
Joe Roa
Careerverified
Per 9 Innings
19
0.64
Jack Leiper
Career
Per 9 Inningsverified
2
0.4
Joe Roa
Careerverified
Per 9 Innings
9
0.3
Jack Leiper
Careerverified
Per 9 Inningsverified
2
0.4
Joe Roa
Career
Per 9 Innings
16
0.54
Jack Leiper
Careerverified
Per 9 Inningsverified
50
50
Joe Roa
Career
Per 9 Innings
36
36
Jack Leiper
Careerverified
Per 9 Inningsverified
83.33
83.33
Joe Roa
Career
Per 9 Innings
15.83
15.83
Jack Leiper
Careerverified
Per 9 Inningsverified
4
0.8
Joe Roa
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joe Roa
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joe Roa
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Innings
27
5.4
Joe Roa
Career
Per 9 Inningsverified
146
4.94
Jack Leiper
Career
Per 9 Innings
5.4
5.4
Joe Roa
Careerverified
Per 9 Inningsverified
4.94
4.94
Jack Leiper
Careerverified
Per 9 Inningsverified
5.39
5.39
Joe Roa
Career
Per 9 Innings
5.44
5.44
Jack Leiper
Career
Per 9 Innings
5.89
5.89
Joe Roa
Careerverified
Per 9 Inningsverified
4.67
4.67
Jack Leiper
Careerverified
Per 9 Inningsverified
0.234
0.234
Joe Roa
Career
Per 9 Innings
0.308
0.308
Jack Leiper
Career
Per 9 Innings
135
27
Joe Roa
Careerverified
Per 9 Innings
798
27
Jack Leiper
Career
Per 9 Innings
45
9
Joe Roa
Careerverified
Per 9 Innings
266
9
Jack Leiper
Careerverified
Per 9 Inningsverified
41
8.2
Joe Roa
Career
Per 9 Innings
330
11.17
Jack Leiper
Careerverified
Per 9 Inningsverified
8.2
8.2
Joe Roa
Career
Per 9 Innings
11.17
11.17
Jack Leiper
Careerverified
Per 9 Inningsverified
3
0.6
Joe Roa
Career
Per 9 Innings
39
1.32
Jack Leiper
Careerverified
Per 9 Inningsverified
0.6
0.6
Joe Roa
Career
Per 9 Innings
1.32
1.32
Jack Leiper
Career
Per 9 Innings
0.5
0.5
Joe Roa
Careerverified
Per 9 Inningsverified
0.33
0.33
Jack Leiper
Careerverified
Per 9 Innings
39
7.8
Joe Roa
Career
Per 9 Inningsverified
72
2.44
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Joe Roa
Career
Per 9 Innings
7
0.24
Jack Leiper
Career
Per 9 Innings
7.8
7.8
Joe Roa
Careerverified
Per 9 Inningsverified
2.44
2.44
Jack Leiper
Career
Per 9 Innings
19
3.8
Joe Roa
Careerverified
Per 9 Inningsverified
154
5.21
Jack Leiper
Career
Per 9 Innings
3.8
3.8
Joe Roa
Careerverified
Per 9 Inningsverified
5.21
5.21
Jack Leiper
Careerverified
Per 9 Inningsverified
3.17
3.17
Joe Roa
Career
Per 9 Innings
1.28
1.28
Jack Leiper
Careerverified
Per 9 Inningsverified
1.289
1.289
Joe Roa
Career
Per 9 Innings
0.85
0.85
Jack Leiper
Career
Per 9 Innings
3
0.6
Joe Roa
Careerverified
Per 9 Inningsverified
2
0.07
Jack Leiper
Careerverified
Per 9 Innings
4
0.8
Joe Roa
Career
Per 9 Inningsverified
10
0.34
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Joe Roa
Career
Per 9 Innings
2
0.07
Jack Leiper
Career
Per 9 Inningsverified
218
43.6
Joe Roa
Careerverified
Per 9 Innings
1176
39.79
Jack Leiper
Career
Per 9 Innings
1
0.2
Joe Roa
Careerverified
Per 9 Inningsverified
25
0.85
Jack Leiper
Careerverified
Per 9 Innings
43
8.6
Joe Roa
Career
Per 9 Inningsverified
153
5.18
Jack Leiper
Career
Per 9 Innings
8.6
8.6
Joe Roa
Careerverified
Per 9 Inningsverified
5.18
5.18
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Joe Roa
Career
Per 9 Innings
14
0.47
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Joe Roa
Career
Per 9 Innings
10
0.34
Jack Leiper
Career
Per 9 Innings
0
0
Joe Roa
Careerverified
Per 9 Inningsverified
30
1.02
Jack Leiper
Career
Per 9 Innings
1.778
1.778
Joe Roa
Careerverified
Per 9 Inningsverified
1.511
1.511
Jack Leiper
Career
Per 9 Innings
175
35
Joe Roa
Careerverified
Per 9 Inningsverified
1070
36.2
Jack Leiper
Career
Per 9 Innings
7.17
7.17
Joe Roa
Careerverified
Per 9 Inningsverified
1.28
1.28
Jack Leiper
Careerverified
Per 9 Inningsverified
0.248
0.248
Joe Roa
Career
Per 9 Innings
0.332
0.332
Jack Leiper
Careerverified
Per 9 Inningsverified
43.6
43.6
Joe Roa
Career
Per 9 Innings
39.79
39.79

Fielding Stats for Jack Leiper and Joe Roa

Jack Leiper
Career
Per 9 Innings
1
1
Joe Roa
Careerverified
Per 9 Inningsverified
6
6
Jack Leiper
Career
Per 9 Innings
7
1.26
Joe Roa
Careerverified
Per 9 Inningsverified
120
4.06
Jack Leiper
Career
Per 9 Innings
0
0
Joe Roa
Careerverified
Per 9 Inningsverified
19
0.64
Jack Leiper
Career
Per 9 Innings
150
27
Joe Roa
Careerverified
Per 9 Innings
798
27
Jack Leiper
Career
Per 9 Innings
50
9
Joe Roa
Careerverified
Per 9 Innings
266
9
Jack Leiper
Career
Per 9 Inningsverified
4
0.72
Joe Roa
Careerverified
Per 9 Innings
19
0.64
Jack Leiper
Career
Per 9 Inningsverified
8
1.44
Joe Roa
Careerverified
Per 9 Innings
40
1.35
Jack Leiper
Career
Per 9 Innings
3
0.54
Joe Roa
Careerverified
Per 9 Inningsverified
2
0.07
Jack Leiper
Career
Per 9 Inningsverified
15
2.7
Joe Roa
Careerverified
Per 9 Innings
61
2.06
Jack Leiper
Career
Per 9 Inningsverified
12
2.16
Joe Roa
Careerverified
Per 9 Innings
59
2
Jack Leiper
Career
Per 9 Innings
80
80
Joe Roa
Careerverified
Per 9 Inningsverified
96.72
96.72
Jack Leiper
Careerverified
Per 9 Inningsverified
1.714
1.714
Joe Roa
Career
Per 9 Innings
0.492
0.492
Jack Leiper
Career
Per 9 Innings
0
0
Joe Roa
Careerverified
Per 9 Inningsverified
15.83
15.83
Jack Leiper
Career
Per 9 Innings
1
0.18
Joe Roa
Careerverified
Per 9 Inningsverified
8
0.27
Jack Leiper
Career
Per 9 Innings
0
0
Joe Roa
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joe Roa
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joe Roa
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Joe Roa
Career
Per 9 Innings
0
0

Hitting Stats for Jack Leiper and Joe Roa

Jack Leiper
Career
Per 600 PA
1
1
Joe Roa
Careerverified
Per 600 PAverified
6
6
Jack Leiper
Career
Per 600 PA
6
171.43
Joe Roa
Careerverified
Per 600 PAverified
120
1358.49
Jack Leiper
Career
Per 600 PA
21
600
Joe Roa
Careerverified
Per 600 PA
53
600
Jack Leiper
Career
Per 600 PAverified
21
600
Joe Roa
Careerverified
Per 600 PA
47
532.08
Jack Leiper
Career
Per 600 PA
0.143
0.143
Joe Roa
Careerverified
Per 600 PAverified
0.213
0.213
Jack Leiper
Career
Per 600 PA
0.286
0.286
Joe Roa
Careerverified
Per 600 PAverified
0.528
0.528
Jack Leiper
Career
Per 600 PA
3
85.71
Joe Roa
Careerverified
Per 600 PAverified
10
113.21
Jack Leiper
Career
Per 600 PA
3
85.71
Joe Roa
Careerverified
Per 600 PAverified
9
101.89
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Careerverified
Per 600 PAverified
1
11.32
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Careerverified
Per 600 PAverified
1
11.32
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Careerverified
Per 600 PAverified
0.1
0.1
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0.38
10.96
Joe Roa
Careerverified
Per 600 PAverified
2.66
30.16
Jack Leiper
Career
Per 600 PA
3
85.71
Joe Roa
Careerverified
Per 600 PAverified
11
124.53
Jack Leiper
Career
Per 600 PA
3
85.71
Joe Roa
Careerverified
Per 600 PAverified
12
135.85
Jack Leiper
Career
Per 600 PA
0.143
0.143
Joe Roa
Careerverified
Per 600 PAverified
0.24
0.24
Jack Leiper
Career
Per 600 PA
0.143
0.143
Joe Roa
Careerverified
Per 600 PAverified
0.234
0.234
Jack Leiper
Career
Per 600 PA
0.286
0.286
Joe Roa
Careerverified
Per 600 PAverified
0.474
0.474
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Careerverified
Per 600 PAverified
0.021
0.021
Jack Leiper
Career
Per 600 PA
0.1
0.1
Joe Roa
Careerverified
Per 600 PAverified
0.167
0.167
Jack Leiper
Career
Per 600 PA
0.167
0.167
Joe Roa
Careerverified
Per 600 PAverified
0.351
0.351
Jack Leiper
Career
Per 600 PA
0.2
0.2
Joe Roa
Careerverified
Per 600 PAverified
0.286
0.286
Jack Leiper
Careerverified
Per 600 PAverified
2
57.14
Joe Roa
Career
Per 600 PA
1
11.32
Jack Leiper
Career
Per 600 PAverified
3
85.71
Joe Roa
Career
Per 600 PA
3
33.96
Jack Leiper
Careerverified
Per 600 PAverified
5
142.86
Joe Roa
Career
Per 600 PA
4
45.28
Jack Leiper
Career
Per 600 PA
-0.11
-3.09
Joe Roa
Careerverified
Per 600 PAverified
3.07
34.73
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Careerverified
Per 600 PAverified
2
22.64
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PA
6
171.43
Joe Roa
Career
Per 600 PAverified
13
147.17
Jack Leiper
Career
Per 600 PA
3.5
3.5
Joe Roa
Careerverified
Per 600 PAverified
4.08
4.08
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Careerverified
Per 600 PAverified
0.15
0.15
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Careerverified
Per 600 PAverified
3
33.96
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Careerverified
Per 600 PAverified
1
11.32
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Joe Roa
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
Joe Roa
Career
Per 600 PA