Jack Leiter vs. Jim Roland — Career Comparison

Jack Leiter
Gen ZFloridaThrows RightBats RightNorth AmericaTexas RangersAmerican LeagueStarting Pitcher
Jim Roland
Silent GenerationNorth CarolinaThrows LeftBats RightNorth AmericaOakland AthleticsAmerican LeagueRelief Pitcher

Jack Leiter built a career as a starting pitcher and Jim Roland as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jim Roland posted stronger surface numbers — ERA 3.22 and WHIP 1.350 compared to 4.8 and 1.361 for Jack Leiter. By the career numbers, Jim Roland had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jack Leiter and Jim Roland

Jack Leiter
Career
Per 9 Innings
2
2
Jim Roland
Careerverified
Per 9 Inningsverified
10
10
Jack Leiter
Career
Per 9 Innings
38
1.83
Jim Roland
Careerverified
Per 9 Inningsverified
216
4.32
Jack Leiter
Careerverified
Per 9 Inningsverified
35
1.68
Jim Roland
Career
Per 9 Innings
29
0.58
Jack Leiter
Career
Per 9 Inningsverified
10
0.48
Jim Roland
Careerverified
Per 9 Innings
19
0.38
Jack Leiter
Careerverified
Per 9 Innings
13
0.62
Jim Roland
Career
Per 9 Inningsverified
17
0.34
Jack Leiter
Career
Per 9 Innings
43.48
43.48
Jim Roland
Careerverified
Per 9 Inningsverified
52.78
52.78
Jack Leiter
Careerverified
Per 9 Inningsverified
92.11
92.11
Jim Roland
Career
Per 9 Innings
13.43
13.43
Jack Leiter
Career
Per 9 Innings
0
0
Jim Roland
Careerverified
Per 9 Inningsverified
6
0.12
Jack Leiter
Career
Per 9 Innings
0
0
Jim Roland
Careerverified
Per 9 Inningsverified
1
0.02
Jack Leiter
Career
Per 9 Innings
0
0
Jim Roland
Careerverified
Per 9 Inningsverified
9
0.18
Jack Leiter
Careerverified
Per 9 Innings
100
4.8
Jim Roland
Career
Per 9 Inningsverified
161
3.22
Jack Leiter
Career
Per 9 Innings
4.8
4.8
Jim Roland
Careerverified
Per 9 Inningsverified
3.22
3.22
Jack Leiter
Career
Per 9 Innings
4.12
4.12
Jim Roland
Careerverified
Per 9 Inningsverified
3.26
3.26
Jack Leiter
Careerverified
Per 9 Inningsverified
4.3
4.3
Jim Roland
Career
Per 9 Innings
4.43
4.43
Jack Leiter
Career
Per 9 Innings
0.238
0.238
Jim Roland
Careerverified
Per 9 Inningsverified
0.215
0.215
Jack Leiter
Career
Per 9 Innings
562
27
Jim Roland
Careerverified
Per 9 Innings
1351
27
Jack Leiter
Career
Per 9 Innings
187.1
9
Jim Roland
Careerverified
Per 9 Innings
450.1
9
Jack Leiter
Careerverified
Per 9 Innings
171
8.22
Jim Roland
Career
Per 9 Inningsverified
357
7.13
Jack Leiter
Career
Per 9 Innings
8.22
8.22
Jim Roland
Careerverified
Per 9 Inningsverified
7.13
7.13
Jack Leiter
Careerverified
Per 9 Innings
25
1.2
Jim Roland
Career
Per 9 Inningsverified
34
0.68
Jack Leiter
Career
Per 9 Innings
1.2
1.2
Jim Roland
Careerverified
Per 9 Inningsverified
0.68
0.68
Jack Leiter
Career
Per 9 Innings
0.66
0.66
Jim Roland
Careerverified
Per 9 Inningsverified
0.16
0.16
Jack Leiter
Careerverified
Per 9 Inningsverified
84
4.04
Jim Roland
Career
Per 9 Innings
229
4.58
Jack Leiter
Careerverified
Per 9 Inningsverified
0
0
Jim Roland
Career
Per 9 Innings
22
0.44
Jack Leiter
Careerverified
Per 9 Inningsverified
4.04
4.04
Jim Roland
Career
Per 9 Innings
4.58
4.58
Jack Leiter
Career
Per 9 Inningsverified
179
8.6
Jim Roland
Careerverified
Per 9 Innings
272
5.44
Jack Leiter
Careerverified
Per 9 Inningsverified
8.6
8.6
Jim Roland
Career
Per 9 Innings
5.44
5.44
Jack Leiter
Careerverified
Per 9 Inningsverified
4.71
4.71
Jim Roland
Career
Per 9 Innings
1.26
1.26
Jack Leiter
Careerverified
Per 9 Inningsverified
1.404
1.404
Jim Roland
Career
Per 9 Innings
1.113
1.113
Jack Leiter
Careerverified
Per 9 Innings
13
0.62
Jim Roland
Career
Per 9 Inningsverified
29
0.58
Jack Leiter
Careerverified
Per 9 Innings
8
0.38
Jim Roland
Career
Per 9 Innings
19
0.38
Jack Leiter
Careerverified
Per 9 Inningsverified
1
0.05
Jim Roland
Career
Per 9 Innings
3
0.06
Jack Leiter
Career
Per 9 Inningsverified
819
39.35
Jim Roland
Careerverified
Per 9 Innings
1927
38.51
Jack Leiter
Career
Per 9 Innings
1
0.05
Jim Roland
Careerverified
Per 9 Inningsverified
64
1.28
Jack Leiter
Careerverified
Per 9 Innings
108
5.19
Jim Roland
Career
Per 9 Inningsverified
185
3.7
Jack Leiter
Career
Per 9 Innings
5.19
5.19
Jim Roland
Careerverified
Per 9 Inningsverified
3.7
3.7
Jack Leiter
Careerverified
Per 9 Inningsverified
2
0.1
Jim Roland
Career
Per 9 Innings
11
0.22
Jack Leiter
Career
Per 9 Innings
5
0.24
Jim Roland
Career
Per 9 Inningsverified
5
0.1
Jack Leiter
Careerverified
Per 9 Inningsverified
10
0.48
Jim Roland
Career
Per 9 Innings
0
0
Jack Leiter
Career
Per 9 Innings
1.361
1.361
Jim Roland
Careerverified
Per 9 Inningsverified
1.301
1.301
Jack Leiter
Career
Per 9 Inningsverified
720
34.59
Jim Roland
Careerverified
Per 9 Innings
1663
33.24
Jack Leiter
Career
Per 9 Innings
2.84
2.84
Jim Roland
Careerverified
Per 9 Inningsverified
0.86
0.86
Jack Leiter
Career
Per 9 Innings
0.283
0.283
Jim Roland
Careerverified
Per 9 Inningsverified
0.238
0.238
Jack Leiter
Careerverified
Per 9 Inningsverified
39.35
39.35
Jim Roland
Career
Per 9 Innings
38.51
38.51

Fielding Stats for Jack Leiter and Jim Roland

Jack Leiter
Career
Per 9 Innings
2
2
Jim Roland
Careerverified
Per 9 Inningsverified
10
10
Jack Leiter
Career
Per 9 Innings
38
1.83
Jim Roland
Careerverified
Per 9 Inningsverified
216
4.33
Jack Leiter
Careerverified
Per 9 Inningsverified
35
1.68
Jim Roland
Career
Per 9 Innings
29
0.58
Jack Leiter
Career
Per 9 Innings
562
27
Jim Roland
Careerverified
Per 9 Innings
1347
27
Jack Leiter
Career
Per 9 Innings
187.1
9
Jim Roland
Careerverified
Per 9 Innings
449
9
Jack Leiter
Career
Per 9 Inningsverified
17
0.82
Jim Roland
Careerverified
Per 9 Innings
19
0.38
Jack Leiter
Career
Per 9 Innings
11
0.53
Jim Roland
Careerverified
Per 9 Inningsverified
70
1.4
Jack Leiter
Careerverified
Per 9 Inningsverified
1
0.05
Jim Roland
Career
Per 9 Innings
3
0.06
Jack Leiter
Career
Per 9 Innings
29
1.39
Jim Roland
Careerverified
Per 9 Inningsverified
92
1.84
Jack Leiter
Career
Per 9 Innings
28
1.35
Jim Roland
Careerverified
Per 9 Inningsverified
89
1.78
Jack Leiter
Career
Per 9 Innings
96.55
96.55
Jim Roland
Careerverified
Per 9 Inningsverified
96.74
96.74
Jack Leiter
Careerverified
Per 9 Inningsverified
0.737
0.737
Jim Roland
Career
Per 9 Innings
0.412
0.412
Jack Leiter
Careerverified
Per 9 Inningsverified
92.11
92.11
Jim Roland
Career
Per 9 Innings
13.43
13.43
Jack Leiter
Career
Per 9 Innings
0
0
Jim Roland
Careerverified
Per 9 Inningsverified
6
0.12
Jack Leiter
Career
Per 9 Innings
0
0
Jim Roland
Career
Per 9 Innings
0
0
Jack Leiter
Career
Per 9 Innings
0
0
Jim Roland
Career
Per 9 Innings
0
0
Jack Leiter
Career
Per 9 Innings
0
0
Jim Roland
Career
Per 9 Innings
0
0
Jack Leiter
Career
Per 9 Innings
0
0
Jim Roland
Career
Per 9 Innings
0
0

Hitting Stats for Jack Leiter and Jim Roland

Jack Leiter
Career
Per 600 PA
2
2
Jim Roland
Careerverified
Per 600 PAverified
10
10
Jack Leiter
Career
Per 600 PAverified
39
23400
Jim Roland
Careerverified
Per 600 PA
217
1400
Jack Leiter
Career
Per 600 PA
1
600
Jim Roland
Careerverified
Per 600 PA
93
600
Jack Leiter
Career
Per 600 PAverified
1
600
Jim Roland
Careerverified
Per 600 PA
84
541.94
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.071
0.071
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.242
0.242
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
6
38.71
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
6
38.71
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.5
3.21
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
6
38.71
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
9
58.06
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.103
0.103
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.071
0.071
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.175
0.175
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.064
0.064
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.114
0.114
Jack Leiter
Career
Per 600 PA
Jim Roland
Careerverified
Per 600 PAverified
0.125
0.125
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
3
19.35
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
1
6.45
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
4
25.81
Jack Leiter
Careerverified
Per 600 PA
-0.11
-66.4
Jim Roland
Career
Per 600 PAverified
-3.9
-25.19
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
3
19.35
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Careerverified
Per 600 PA
1
600
Jim Roland
Career
Per 600 PAverified
36
232.26
Jack Leiter
Career
Per 600 PA
1
1
Jim Roland
Careerverified
Per 600 PAverified
2.58
2.58
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
0.08
0.08
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Careerverified
Per 600 PAverified
6
38.71
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Careerverified
Per 600 PAverified
0
0
Jim Roland
Career
Per 600 PA
1
6.45
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
0
0
Jim Roland
Career
Per 600 PA
0
0
Jack Leiter
Career
Per 600 PA
Jim Roland
Career
Per 600 PA