Jack Leiper vs. Donn Roach — Career Comparison

Jack Leiper
Pre-GenerationalPennsylvaniaThrows LeftBats LeftNorth AmericaColumbus SolonsAmerican AssociationRelief Pitcher
Donn Roach
MillenialNevadaThrows RightBats RightNorth AmericaSan Diego PadresNational LeagueRelief Pitcher

Looking at the career totals, Jack Leiper and Donn Roach are fairly close on the surface numbers. Jack Leiper had the edge in ERA (5.4 vs 5.77). By the career numbers, Jack Leiper 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 Donn Roach

Jack Leiper
Career
Per 9 Innings
1
1
Donn Roach
Careerverified
Per 9 Inningsverified
3
3
Jack Leiper
Career
Per 9 Innings
6
1.2
Donn Roach
Careerverified
Per 9 Inningsverified
21
4.85
Jack Leiper
Careerverified
Per 9 Inningsverified
5
1
Donn Roach
Career
Per 9 Innings
2
0.46
Jack Leiper
Career
Per 9 Innings
2
0.4
Donn Roach
Careerverified
Per 9 Inningsverified
3
0.69
Jack Leiper
Career
Per 9 Innings
2
0.4
Donn Roach
Careerverified
Per 9 Inningsverified
1
0.23
Jack Leiper
Career
Per 9 Innings
50
50
Donn Roach
Careerverified
Per 9 Inningsverified
75
75
Jack Leiper
Careerverified
Per 9 Inningsverified
83.33
83.33
Donn Roach
Career
Per 9 Innings
9.52
9.52
Jack Leiper
Careerverified
Per 9 Inningsverified
4
0.8
Donn Roach
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Inningsverified
27
5.4
Donn Roach
Careerverified
Per 9 Innings
25
5.77
Jack Leiper
Careerverified
Per 9 Inningsverified
5.4
5.4
Donn Roach
Career
Per 9 Innings
5.77
5.77
Jack Leiper
Careerverified
Per 9 Inningsverified
5.39
5.39
Donn Roach
Career
Per 9 Innings
6.47
6.47
Jack Leiper
Career
Per 9 Innings
5.89
5.89
Donn Roach
Careerverified
Per 9 Inningsverified
4.74
4.74
Jack Leiper
Careerverified
Per 9 Inningsverified
0.234
0.234
Donn Roach
Career
Per 9 Innings
0.323
0.323
Jack Leiper
Careerverified
Per 9 Innings
135
27
Donn Roach
Career
Per 9 Innings
117
27
Jack Leiper
Careerverified
Per 9 Innings
45
9
Donn Roach
Career
Per 9 Innings
39
9
Jack Leiper
Careerverified
Per 9 Inningsverified
41
8.2
Donn Roach
Career
Per 9 Innings
51
11.77
Jack Leiper
Careerverified
Per 9 Inningsverified
8.2
8.2
Donn Roach
Career
Per 9 Innings
11.77
11.77
Jack Leiper
Career
Per 9 Inningsverified
3
0.6
Donn Roach
Career
Per 9 Innings
3
0.69
Jack Leiper
Careerverified
Per 9 Inningsverified
0.6
0.6
Donn Roach
Career
Per 9 Innings
0.69
0.69
Jack Leiper
Career
Per 9 Innings
0.5
0.5
Donn Roach
Careerverified
Per 9 Inningsverified
0.14
0.14
Jack Leiper
Career
Per 9 Innings
39
7.8
Donn Roach
Careerverified
Per 9 Inningsverified
18
4.15
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Donn Roach
Career
Per 9 Innings
1
0.23
Jack Leiper
Career
Per 9 Innings
7.8
7.8
Donn Roach
Careerverified
Per 9 Inningsverified
4.15
4.15
Jack Leiper
Career
Per 9 Innings
19
3.8
Donn Roach
Careerverified
Per 9 Inningsverified
20
4.62
Jack Leiper
Career
Per 9 Innings
3.8
3.8
Donn Roach
Careerverified
Per 9 Inningsverified
4.62
4.62
Jack Leiper
Careerverified
Per 9 Inningsverified
3.17
3.17
Donn Roach
Career
Per 9 Innings
0.95
0.95
Jack Leiper
Careerverified
Per 9 Inningsverified
1.289
1.289
Donn Roach
Career
Per 9 Innings
0.974
0.974
Jack Leiper
Careerverified
Per 9 Inningsverified
3
0.6
Donn Roach
Career
Per 9 Innings
5
1.15
Jack Leiper
Careerverified
Per 9 Inningsverified
4
0.8
Donn Roach
Career
Per 9 Innings
5
1.15
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
218
43.6
Donn Roach
Career
Per 9 Innings
186
42.92
Jack Leiper
Career
Per 9 Innings
1
0.2
Donn Roach
Careerverified
Per 9 Inningsverified
6
1.38
Jack Leiper
Career
Per 9 Innings
43
8.6
Donn Roach
Careerverified
Per 9 Inningsverified
26
6
Jack Leiper
Career
Per 9 Innings
8.6
8.6
Donn Roach
Careerverified
Per 9 Inningsverified
6
6
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Donn Roach
Career
Per 9 Innings
3
0.69
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Donn Roach
Career
Per 9 Innings
2
0.46
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Careerverified
Per 9 Inningsverified
6
1.38
Jack Leiper
Career
Per 9 Innings
1.778
1.778
Donn Roach
Careerverified
Per 9 Inningsverified
1.769
1.769
Jack Leiper
Careerverified
Per 9 Innings
175
35
Donn Roach
Career
Per 9 Inningsverified
158
36.46
Jack Leiper
Career
Per 9 Innings
7.17
7.17
Donn Roach
Careerverified
Per 9 Inningsverified
1.24
1.24
Jack Leiper
Careerverified
Per 9 Inningsverified
0.248
0.248
Donn Roach
Career
Per 9 Innings
0.356
0.356
Jack Leiper
Careerverified
Per 9 Inningsverified
43.6
43.6
Donn Roach
Career
Per 9 Innings
42.92
42.92

Fielding Stats for Jack Leiper and Donn Roach

Jack Leiper
Career
Per 9 Innings
1
1
Donn Roach
Careerverified
Per 9 Inningsverified
3
3
Jack Leiper
Career
Per 9 Innings
7
1.26
Donn Roach
Careerverified
Per 9 Inningsverified
21
4.85
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Careerverified
Per 9 Inningsverified
2
0.46
Jack Leiper
Careerverified
Per 9 Innings
150
27
Donn Roach
Career
Per 9 Innings
117
27
Jack Leiper
Careerverified
Per 9 Innings
50
9
Donn Roach
Career
Per 9 Innings
39
9
Jack Leiper
Careerverified
Per 9 Inningsverified
4
0.72
Donn Roach
Career
Per 9 Innings
2
0.46
Jack Leiper
Careerverified
Per 9 Inningsverified
8
1.44
Donn Roach
Career
Per 9 Innings
6
1.38
Jack Leiper
Career
Per 9 Innings
3
0.54
Donn Roach
Careerverified
Per 9 Inningsverified
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
15
2.7
Donn Roach
Career
Per 9 Innings
8
1.85
Jack Leiper
Careerverified
Per 9 Inningsverified
12
2.16
Donn Roach
Career
Per 9 Innings
8
1.85
Jack Leiper
Career
Per 9 Innings
80
80
Donn Roach
Careerverified
Per 9 Inningsverified
100
100
Jack Leiper
Careerverified
Per 9 Inningsverified
1.714
1.714
Donn Roach
Career
Per 9 Innings
0.381
0.381
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Careerverified
Per 9 Inningsverified
9.52
9.52
Jack Leiper
Career
Per 9 Innings
1
0.18
Donn Roach
Career
Per 9 Inningsverified
1
0.23
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Donn Roach
Career
Per 9 Innings
0
0

Hitting Stats for Jack Leiper and Donn Roach

Jack Leiper
Career
Per 600 PA
1
1
Donn Roach
Careerverified
Per 600 PAverified
3
3
Jack Leiper
Career
Per 600 PA
6
171.43
Donn Roach
Careerverified
Per 600 PAverified
21
2520
Jack Leiper
Careerverified
Per 600 PA
21
600
Donn Roach
Career
Per 600 PA
5
600
Jack Leiper
Careerverified
Per 600 PA
21
600
Donn Roach
Career
Per 600 PA
5
600
Jack Leiper
Career
Per 600 PA
0.143
0.143
Donn Roach
Careerverified
Per 600 PAverified
0.4
0.4
Jack Leiper
Career
Per 600 PA
0.286
0.286
Donn Roach
Careerverified
Per 600 PAverified
1
1
Jack Leiper
Careerverified
Per 600 PA
3
85.71
Donn Roach
Career
Per 600 PAverified
2
240
Jack Leiper
Careerverified
Per 600 PA
3
85.71
Donn Roach
Career
Per 600 PAverified
1
120
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Careerverified
Per 600 PAverified
1
120
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Careerverified
Per 600 PAverified
1
120
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Careerverified
Per 600 PAverified
0.5
0.5
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0.38
10.96
Donn Roach
Careerverified
Per 600 PAverified
1.05
125.71
Jack Leiper
Career
Per 600 PA
3
85.71
Donn Roach
Career
Per 600 PAverified
3
360
Jack Leiper
Careerverified
Per 600 PA
3
85.71
Donn Roach
Career
Per 600 PAverified
2
240
Jack Leiper
Career
Per 600 PA
0.143
0.143
Donn Roach
Careerverified
Per 600 PAverified
0.4
0.4
Jack Leiper
Career
Per 600 PA
0.143
0.143
Donn Roach
Careerverified
Per 600 PAverified
0.6
0.6
Jack Leiper
Career
Per 600 PA
0.286
0.286
Donn Roach
Careerverified
Per 600 PAverified
1
1
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Careerverified
Per 600 PAverified
0.2
0.2
Jack Leiper
Career
Per 600 PA
0.1
0.1
Donn Roach
Careerverified
Per 600 PAverified
0.33
0.33
Jack Leiper
Career
Per 600 PA
0.167
0.167
Donn Roach
Careerverified
Per 600 PAverified
1
1
Jack Leiper
Career
Per 600 PA
0.2
0.2
Donn Roach
Careerverified
Per 600 PAverified
0.5
0.5
Jack Leiper
Careerverified
Per 600 PAverified
2
57.14
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PA
3
85.71
Donn Roach
Career
Per 600 PAverified
1
120
Jack Leiper
Careerverified
Per 600 PAverified
5
142.86
Donn Roach
Career
Per 600 PA
1
120
Jack Leiper
Career
Per 600 PA
-0.11
-3.09
Donn Roach
Careerverified
Per 600 PAverified
1.07
128.27
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
6
171.43
Donn Roach
Careerverified
Per 600 PAverified
1
120
Jack Leiper
Career
Per 600 PA
3.5
3.5
Donn Roach
Careerverified
Per 600 PAverified
5
5
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Donn Roach
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
Donn Roach
Career
Per 600 PA