Jack Leiper vs. Jim Roland — Career Comparison

Jack Leiper
Pre-GenerationalPennsylvaniaThrows LeftBats LeftNorth AmericaColumbus SolonsAmerican AssociationRelief Pitcher
Jim Roland
Silent GenerationNorth CarolinaThrows LeftBats RightNorth AmericaOakland AthleticsAmerican LeagueRelief Pitcher

On the career pitching numbers, Jim Roland posted a stronger line than Jack Leiper. Jim Roland posted stronger numbers in ERA (3.22 vs 5.4) and WHIP (1.350 vs 1.778). By the career numbers, Jim Roland 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 Jim Roland

Jack Leiper
Career
Per 9 Innings
1
1
Jim Roland
Careerverified
Per 9 Inningsverified
10
10
Jack Leiper
Career
Per 9 Innings
6
1.2
Jim Roland
Careerverified
Per 9 Inningsverified
216
4.32
Jack Leiper
Career
Per 9 Inningsverified
5
1
Jim Roland
Careerverified
Per 9 Innings
29
0.58
Jack Leiper
Career
Per 9 Inningsverified
2
0.4
Jim Roland
Careerverified
Per 9 Innings
19
0.38
Jack Leiper
Careerverified
Per 9 Innings
2
0.4
Jim Roland
Career
Per 9 Inningsverified
17
0.34
Jack Leiper
Career
Per 9 Innings
50
50
Jim Roland
Careerverified
Per 9 Inningsverified
52.78
52.78
Jack Leiper
Careerverified
Per 9 Inningsverified
83.33
83.33
Jim Roland
Career
Per 9 Innings
13.43
13.43
Jack Leiper
Career
Per 9 Inningsverified
4
0.8
Jim Roland
Careerverified
Per 9 Innings
6
0.12
Jack Leiper
Career
Per 9 Innings
0
0
Jim Roland
Careerverified
Per 9 Inningsverified
1
0.02
Jack Leiper
Career
Per 9 Innings
0
0
Jim Roland
Careerverified
Per 9 Inningsverified
9
0.18
Jack Leiper
Careerverified
Per 9 Innings
27
5.4
Jim Roland
Career
Per 9 Inningsverified
161
3.22
Jack Leiper
Career
Per 9 Innings
5.4
5.4
Jim Roland
Careerverified
Per 9 Inningsverified
3.22
3.22
Jack Leiper
Career
Per 9 Innings
5.39
5.39
Jim Roland
Careerverified
Per 9 Inningsverified
3.26
3.26
Jack Leiper
Career
Per 9 Innings
5.89
5.89
Jim Roland
Careerverified
Per 9 Inningsverified
4.43
4.43
Jack Leiper
Career
Per 9 Innings
0.234
0.234
Jim Roland
Careerverified
Per 9 Inningsverified
0.215
0.215
Jack Leiper
Career
Per 9 Innings
135
27
Jim Roland
Careerverified
Per 9 Innings
1351
27
Jack Leiper
Career
Per 9 Innings
45
9
Jim Roland
Careerverified
Per 9 Innings
450.1
9
Jack Leiper
Careerverified
Per 9 Innings
41
8.2
Jim Roland
Career
Per 9 Inningsverified
357
7.13
Jack Leiper
Career
Per 9 Innings
8.2
8.2
Jim Roland
Careerverified
Per 9 Inningsverified
7.13
7.13
Jack Leiper
Careerverified
Per 9 Inningsverified
3
0.6
Jim Roland
Career
Per 9 Innings
34
0.68
Jack Leiper
Careerverified
Per 9 Inningsverified
0.6
0.6
Jim Roland
Career
Per 9 Innings
0.68
0.68
Jack Leiper
Career
Per 9 Innings
0.5
0.5
Jim Roland
Careerverified
Per 9 Inningsverified
0.16
0.16
Jack Leiper
Careerverified
Per 9 Innings
39
7.8
Jim Roland
Career
Per 9 Inningsverified
229
4.58
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Jim Roland
Career
Per 9 Innings
22
0.44
Jack Leiper
Career
Per 9 Innings
7.8
7.8
Jim Roland
Careerverified
Per 9 Inningsverified
4.58
4.58
Jack Leiper
Career
Per 9 Innings
19
3.8
Jim Roland
Careerverified
Per 9 Inningsverified
272
5.44
Jack Leiper
Career
Per 9 Innings
3.8
3.8
Jim Roland
Careerverified
Per 9 Inningsverified
5.44
5.44
Jack Leiper
Careerverified
Per 9 Inningsverified
3.17
3.17
Jim Roland
Career
Per 9 Innings
1.26
1.26
Jack Leiper
Careerverified
Per 9 Inningsverified
1.289
1.289
Jim Roland
Career
Per 9 Innings
1.113
1.113
Jack Leiper
Careerverified
Per 9 Innings
3
0.6
Jim Roland
Career
Per 9 Inningsverified
29
0.58
Jack Leiper
Careerverified
Per 9 Innings
4
0.8
Jim Roland
Career
Per 9 Inningsverified
19
0.38
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Jim Roland
Career
Per 9 Innings
3
0.06
Jack Leiper
Career
Per 9 Inningsverified
218
43.6
Jim Roland
Careerverified
Per 9 Innings
1927
38.51
Jack Leiper
Career
Per 9 Innings
1
0.2
Jim Roland
Careerverified
Per 9 Inningsverified
64
1.28
Jack Leiper
Careerverified
Per 9 Innings
43
8.6
Jim Roland
Career
Per 9 Inningsverified
185
3.7
Jack Leiper
Career
Per 9 Innings
8.6
8.6
Jim Roland
Careerverified
Per 9 Inningsverified
3.7
3.7
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Jim Roland
Career
Per 9 Innings
11
0.22
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Jim Roland
Career
Per 9 Innings
5
0.1
Jack Leiper
Career
Per 9 Innings
0
0
Jim Roland
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
1.778
1.778
Jim Roland
Careerverified
Per 9 Inningsverified
1.301
1.301
Jack Leiper
Career
Per 9 Inningsverified
175
35
Jim Roland
Careerverified
Per 9 Innings
1663
33.24
Jack Leiper
Career
Per 9 Innings
7.17
7.17
Jim Roland
Careerverified
Per 9 Inningsverified
0.86
0.86
Jack Leiper
Career
Per 9 Innings
0.248
0.248
Jim Roland
Careerverified
Per 9 Inningsverified
0.238
0.238
Jack Leiper
Careerverified
Per 9 Inningsverified
43.6
43.6
Jim Roland
Career
Per 9 Innings
38.51
38.51

Fielding Stats for Jack Leiper and Jim Roland

Jack Leiper
Career
Per 9 Innings
1
1
Jim Roland
Careerverified
Per 9 Inningsverified
10
10
Jack Leiper
Career
Per 9 Innings
7
1.26
Jim Roland
Careerverified
Per 9 Inningsverified
216
4.33
Jack Leiper
Career
Per 9 Innings
0
0
Jim Roland
Careerverified
Per 9 Inningsverified
29
0.58
Jack Leiper
Career
Per 9 Innings
150
27
Jim Roland
Careerverified
Per 9 Innings
1347
27
Jack Leiper
Career
Per 9 Innings
50
9
Jim Roland
Careerverified
Per 9 Innings
449
9
Jack Leiper
Career
Per 9 Inningsverified
4
0.72
Jim Roland
Careerverified
Per 9 Innings
19
0.38
Jack Leiper
Career
Per 9 Inningsverified
8
1.44
Jim Roland
Careerverified
Per 9 Innings
70
1.4
Jack Leiper
Career
Per 9 Innings
3
0.54
Jim Roland
Career
Per 9 Inningsverified
3
0.06
Jack Leiper
Career
Per 9 Inningsverified
15
2.7
Jim Roland
Careerverified
Per 9 Innings
92
1.84
Jack Leiper
Career
Per 9 Inningsverified
12
2.16
Jim Roland
Careerverified
Per 9 Innings
89
1.78
Jack Leiper
Career
Per 9 Innings
80
80
Jim Roland
Careerverified
Per 9 Inningsverified
96.74
96.74
Jack Leiper
Careerverified
Per 9 Inningsverified
1.714
1.714
Jim Roland
Career
Per 9 Innings
0.412
0.412
Jack Leiper
Career
Per 9 Innings
0
0
Jim Roland
Careerverified
Per 9 Inningsverified
13.43
13.43
Jack Leiper
Career
Per 9 Inningsverified
1
0.18
Jim Roland
Careerverified
Per 9 Innings
6
0.12
Jack Leiper
Career
Per 9 Innings
0
0
Jim Roland
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Jim Roland
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Jim Roland
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Jim Roland
Career
Per 9 Innings
0
0

Hitting Stats for Jack Leiper and Jim Roland

Jack Leiper
Career
Per 600 PA
1
1
Jim Roland
Careerverified
Per 600 PAverified
10
10
Jack Leiper
Career
Per 600 PA
6
171.43
Jim Roland
Careerverified
Per 600 PAverified
217
1400
Jack Leiper
Career
Per 600 PA
21
600
Jim Roland
Careerverified
Per 600 PA
93
600
Jack Leiper
Career
Per 600 PAverified
21
600
Jim Roland
Careerverified
Per 600 PA
84
541.94
Jack Leiper
Careerverified
Per 600 PAverified
0.143
0.143
Jim Roland
Career
Per 600 PA
0.071
0.071
Jack Leiper
Careerverified
Per 600 PAverified
0.286
0.286
Jim Roland
Career
Per 600 PA
0.242
0.242
Jack Leiper
Career
Per 600 PAverified
3
85.71
Jim Roland
Careerverified
Per 600 PA
6
38.71
Jack Leiper
Career
Per 600 PAverified
3
85.71
Jim Roland
Careerverified
Per 600 PA
6
38.71
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PAverified
0.38
10.96
Jim Roland
Careerverified
Per 600 PA
0.5
3.21
Jack Leiper
Career
Per 600 PAverified
3
85.71
Jim Roland
Careerverified
Per 600 PA
6
38.71
Jack Leiper
Career
Per 600 PAverified
3
85.71
Jim Roland
Careerverified
Per 600 PA
9
58.06
Jack Leiper
Careerverified
Per 600 PAverified
0.143
0.143
Jim Roland
Career
Per 600 PA
0.103
0.103
Jack Leiper
Careerverified
Per 600 PAverified
0.143
0.143
Jim Roland
Career
Per 600 PA
0.071
0.071
Jack Leiper
Careerverified
Per 600 PAverified
0.286
0.286
Jim Roland
Career
Per 600 PA
0.175
0.175
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0.1
0.1
Jim Roland
Career
Per 600 PA
0.064
0.064
Jack Leiper
Careerverified
Per 600 PAverified
0.167
0.167
Jim Roland
Career
Per 600 PA
0.114
0.114
Jack Leiper
Careerverified
Per 600 PAverified
0.2
0.2
Jim Roland
Career
Per 600 PA
0.125
0.125
Jack Leiper
Career
Per 600 PAverified
2
57.14
Jim Roland
Careerverified
Per 600 PA
3
19.35
Jack Leiper
Careerverified
Per 600 PAverified
3
85.71
Jim Roland
Career
Per 600 PA
1
6.45
Jack Leiper
Careerverified
Per 600 PAverified
5
142.86
Jim Roland
Career
Per 600 PA
4
25.81
Jack Leiper
Careerverified
Per 600 PAverified
-0.11
-3.09
Jim Roland
Career
Per 600 PA
-3.9
-25.19
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
3
19.35
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
6
171.43
Jim Roland
Career
Per 600 PA
36
232.26
Jack Leiper
Careerverified
Per 600 PAverified
3.5
3.5
Jim Roland
Career
Per 600 PA
2.58
2.58
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.08
0.08
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
6
38.71
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
0
0
Jim Roland
Career
Per 600 PA
1
6.45
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
Jim Roland
Career
Per 600 PA