Jack Armstrong vs. Rollie Sheldon — Career Comparison

Jack Armstrong
Gen XNew JerseyThrows RightBats RightNorth AmericaCincinnati RedsNational LeagueStarting PitcherAll-Star
Rollie Sheldon
Silent GenerationConnecticutThrows RightBats RightNorth AmericaNew York YankeesAmerican LeagueStarting Pitcher

The numbers give Rollie Sheldon a clear advantage over Jack Armstrong across the core pitching metrics. Rollie Sheldon led in walk avoidance (BB%+ 137 vs 91), skill-based run prevention (DICE+ 95 vs 89), and run prevention (ERA+ 92 vs 89). Jack Armstrong held the edge in strikeout rate (K%+ 103 vs 82). Rollie Sheldon was the better starter — the numbers make that case clearly.

Pitching Stats for Jack Armstrong and Rollie Sheldon

Jack Armstrong
Careerverified
Per 9 Inningsverified
7
7
Rollie Sheldon
Career
Per 9 Innings
5
5
Jack Armstrong
Career
Per 9 Innings
152
1.74
Rollie Sheldon
Careerverified
Per 9 Inningsverified
160
1.99
Jack Armstrong
Careerverified
Per 9 Inningsverified
130
1.49
Rollie Sheldon
Career
Per 9 Innings
101
1.25
Jack Armstrong
Careerverified
Per 9 Innings
40
0.46
Rollie Sheldon
Career
Per 9 Inningsverified
38
0.47
Jack Armstrong
Career
Per 9 Innings
65
0.74
Rollie Sheldon
Careerverified
Per 9 Inningsverified
36
0.45
Jack Armstrong
Career
Per 9 Innings
38.1
38.1
Rollie Sheldon
Careerverified
Per 9 Inningsverified
51.35
51.35
Jack Armstrong
Careerverified
Per 9 Inningsverified
85.53
85.53
Rollie Sheldon
Career
Per 9 Innings
63.13
63.13
Jack Armstrong
Career
Per 9 Innings
4
0.05
Rollie Sheldon
Careerverified
Per 9 Inningsverified
17
0.21
Jack Armstrong
Career
Per 9 Innings
1
0.01
Rollie Sheldon
Careerverified
Per 9 Inningsverified
4
0.05
Jack Armstrong
Career
Per 9 Innings
0
0
Rollie Sheldon
Careerverified
Per 9 Inningsverified
2
0.02
Jack Armstrong
Career
Per 9 Innings
400
4.58
Rollie Sheldon
Careerverified
Per 9 Inningsverified
329
4.09
Jack Armstrong
Career
Per 9 Innings
4.58
4.58
Rollie Sheldon
Careerverified
Per 9 Inningsverified
4.09
4.09
Jack Armstrong
Career
Per 9 Innings
4.48
4.48
Rollie Sheldon
Careerverified
Per 9 Inningsverified
3.94
3.94
Jack Armstrong
Career
Per 9 Innings
4.67
4.67
Rollie Sheldon
Careerverified
Per 9 Inningsverified
4.45
4.45
Jack Armstrong
Career
Per 9 Innings
0.265
0.265
Rollie Sheldon
Careerverified
Per 9 Inningsverified
0.261
0.261
Jack Armstrong
Careerverified
Per 9 Innings
2360
27
Rollie Sheldon
Career
Per 9 Innings
2174
27
Jack Armstrong
Careerverified
Per 9 Innings
786.2
9
Rollie Sheldon
Career
Per 9 Innings
724.2
9
Jack Armstrong
Career
Per 9 Innings
807
9.23
Rollie Sheldon
Careerverified
Per 9 Inningsverified
741
9.2
Jack Armstrong
Career
Per 9 Innings
9.23
9.23
Rollie Sheldon
Careerverified
Per 9 Inningsverified
9.2
9.2
Jack Armstrong
Career
Per 9 Innings
102
1.17
Rollie Sheldon
Careerverified
Per 9 Inningsverified
87
1.08
Jack Armstrong
Career
Per 9 Innings
1.17
1.17
Rollie Sheldon
Careerverified
Per 9 Inningsverified
1.08
1.08
Jack Armstrong
Career
Per 9 Innings
0.67
0.67
Rollie Sheldon
Careerverified
Per 9 Inningsverified
0.54
0.54
Jack Armstrong
Career
Per 9 Innings
319
3.65
Rollie Sheldon
Careerverified
Per 9 Inningsverified
207
2.57
Jack Armstrong
Career
Per 9 Innings
21
0.24
Rollie Sheldon
Careerverified
Per 9 Inningsverified
17
0.21
Jack Armstrong
Career
Per 9 Innings
3.65
3.65
Rollie Sheldon
Careerverified
Per 9 Inningsverified
2.57
2.57
Jack Armstrong
Careerverified
Per 9 Inningsverified
510
5.83
Rollie Sheldon
Career
Per 9 Innings
371
4.61
Jack Armstrong
Careerverified
Per 9 Inningsverified
5.83
5.83
Rollie Sheldon
Career
Per 9 Innings
4.61
4.61
Jack Armstrong
Careerverified
Per 9 Inningsverified
3.36
3.36
Rollie Sheldon
Career
Per 9 Innings
2.32
2.32
Jack Armstrong
Careerverified
Per 9 Inningsverified
1.054
1.054
Rollie Sheldon
Career
Per 9 Innings
0.798
0.798
Jack Armstrong
Career
Per 9 Innings
26
0.3
Rollie Sheldon
Careerverified
Per 9 Innings
24
0.3
Jack Armstrong
Career
Per 9 Innings
18
0.21
Rollie Sheldon
Careerverified
Per 9 Inningsverified
14
0.17
Jack Armstrong
Career
Per 9 Innings
13
0.15
Rollie Sheldon
Careerverified
Per 9 Inningsverified
1
0.01
Jack Armstrong
Careerverified
Per 9 Inningsverified
3450
39.47
Rollie Sheldon
Career
Per 9 Innings
3062
38.03
Jack Armstrong
Career
Per 9 Innings
10
0.11
Rollie Sheldon
Careerverified
Per 9 Inningsverified
19
0.24
Jack Armstrong
Career
Per 9 Innings
439
5.02
Rollie Sheldon
Careerverified
Per 9 Inningsverified
358
4.45
Jack Armstrong
Career
Per 9 Innings
5.02
5.02
Rollie Sheldon
Careerverified
Per 9 Inningsverified
4.45
4.45
Jack Armstrong
Career
Per 9 Innings
34
0.39
Rollie Sheldon
Careerverified
Per 9 Inningsverified
0
0
Jack Armstrong
Career
Per 9 Innings
35
0.4
Rollie Sheldon
Careerverified
Per 9 Inningsverified
0
0
Jack Armstrong
Careerverified
Per 9 Inningsverified
37
0.42
Rollie Sheldon
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
1.431
1.431
Rollie Sheldon
Careerverified
Per 9 Inningsverified
1.308
1.308
Jack Armstrong
Careerverified
Per 9 Innings
3044
34.83
Rollie Sheldon
Career
Per 9 Inningsverified
2841
35.28
Jack Armstrong
Career
Per 9 Innings
2.89
2.89
Rollie Sheldon
Careerverified
Per 9 Inningsverified
2.24
2.24
Jack Armstrong
Career
Per 9 Innings
0.29
0.29
Rollie Sheldon
Careerverified
Per 9 Inningsverified
0.274
0.274
Jack Armstrong
Careerverified
Per 9 Inningsverified
39.47
39.47
Rollie Sheldon
Career
Per 9 Innings
38.03
38.03

Fielding Stats for Jack Armstrong and Rollie Sheldon

Jack Armstrong
Careerverified
Per 9 Inningsverified
7
7
Rollie Sheldon
Career
Per 9 Innings
5
5
Jack Armstrong
Career
Per 9 Innings
152
1.74
Rollie Sheldon
Careerverified
Per 9 Inningsverified
160
1.99
Jack Armstrong
Careerverified
Per 9 Inningsverified
130
1.49
Rollie Sheldon
Career
Per 9 Innings
101
1.25
Jack Armstrong
Careerverified
Per 9 Innings
2360
27
Rollie Sheldon
Career
Per 9 Innings
2174
27
Jack Armstrong
Careerverified
Per 9 Innings
786.2
9
Rollie Sheldon
Career
Per 9 Innings
724.2
9
Jack Armstrong
Careerverified
Per 9 Inningsverified
62
0.71
Rollie Sheldon
Career
Per 9 Innings
48
0.6
Jack Armstrong
Career
Per 9 Innings
111
1.27
Rollie Sheldon
Careerverified
Per 9 Inningsverified
119
1.48
Jack Armstrong
Career
Per 9 Innings
8
0.09
Rollie Sheldon
Careerverified
Per 9 Inningsverified
3
0.04
Jack Armstrong
Careerverified
Per 9 Innings
181
2.07
Rollie Sheldon
Career
Per 9 Inningsverified
170
2.11
Jack Armstrong
Careerverified
Per 9 Innings
173
1.98
Rollie Sheldon
Career
Per 9 Inningsverified
167
2.07
Jack Armstrong
Career
Per 9 Innings
95.58
95.58
Rollie Sheldon
Careerverified
Per 9 Inningsverified
98.24
98.24
Jack Armstrong
Careerverified
Per 9 Inningsverified
1.138
1.138
Rollie Sheldon
Career
Per 9 Innings
1.044
1.044
Jack Armstrong
Careerverified
Per 9 Inningsverified
85.53
85.53
Rollie Sheldon
Career
Per 9 Innings
63.13
63.13
Jack Armstrong
Career
Per 9 Innings
5
0.06
Rollie Sheldon
Careerverified
Per 9 Inningsverified
12
0.15
Jack Armstrong
Career
Per 9 Innings
0
0
Rollie Sheldon
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Rollie Sheldon
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Rollie Sheldon
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Rollie Sheldon
Career
Per 9 Innings
0
0

Hitting Stats for Jack Armstrong and Rollie Sheldon

Jack Armstrong
Careerverified
Per 600 PAverified
7
7
Rollie Sheldon
Career
Per 600 PA
5
5
Jack Armstrong
Career
Per 600 PAverified
153
426.98
Rollie Sheldon
Careerverified
Per 600 PA
161
404.18
Jack Armstrong
Career
Per 600 PA
215
600
Rollie Sheldon
Careerverified
Per 600 PA
239
600
Jack Armstrong
Career
Per 600 PA
185
516.28
Rollie Sheldon
Careerverified
Per 600 PAverified
209
524.69
Jack Armstrong
Careerverified
Per 600 PAverified
0.114
0.114
Rollie Sheldon
Career
Per 600 PA
0.096
0.096
Jack Armstrong
Careerverified
Per 600 PAverified
0.354
0.354
Rollie Sheldon
Career
Per 600 PA
0.315
0.315
Jack Armstrong
Careerverified
Per 600 PAverified
21
58.6
Rollie Sheldon
Career
Per 600 PA
20
50.21
Jack Armstrong
Career
Per 600 PAverified
19
53.02
Rollie Sheldon
Careerverified
Per 600 PA
20
50.21
Jack Armstrong
Careerverified
Per 600 PAverified
2
5.58
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Careerverified
Per 600 PAverified
2
5.58
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Careerverified
Per 600 PAverified
0.095
0.095
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Careerverified
Per 600 PAverified
2.16
6.02
Rollie Sheldon
Career
Per 600 PA
2.07
5.19
Jack Armstrong
Careerverified
Per 600 PAverified
23
64.19
Rollie Sheldon
Career
Per 600 PA
20
50.21
Jack Armstrong
Career
Per 600 PA
25
69.77
Rollie Sheldon
Careerverified
Per 600 PAverified
31
77.82
Jack Armstrong
Career
Per 600 PA
0.132
0.132
Rollie Sheldon
Careerverified
Per 600 PAverified
0.141
0.141
Jack Armstrong
Careerverified
Per 600 PAverified
0.124
0.124
Rollie Sheldon
Career
Per 600 PA
0.096
0.096
Jack Armstrong
Careerverified
Per 600 PAverified
0.257
0.257
Rollie Sheldon
Career
Per 600 PA
0.237
0.237
Jack Armstrong
Careerverified
Per 600 PAverified
0.011
0.011
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Careerverified
Per 600 PAverified
0.091
0.091
Rollie Sheldon
Career
Per 600 PA
0.087
0.087
Jack Armstrong
Career
Per 600 PA
0.159
0.159
Rollie Sheldon
Careerverified
Per 600 PAverified
0.16
0.16
Jack Armstrong
Career
Per 600 PA
0.206
0.206
Rollie Sheldon
Careerverified
Per 600 PAverified
0.208
0.208
Jack Armstrong
Careerverified
Per 600 PAverified
8
22.33
Rollie Sheldon
Career
Per 600 PA
3
7.53
Jack Armstrong
Careerverified
Per 600 PAverified
8
22.33
Rollie Sheldon
Career
Per 600 PA
7
17.57
Jack Armstrong
Careerverified
Per 600 PAverified
16
44.65
Rollie Sheldon
Career
Per 600 PA
10
25.1
Jack Armstrong
Careerverified
Per 600 PAverified
-4.73
-13.19
Rollie Sheldon
Career
Per 600 PA
-6.03
-15.14
Jack Armstrong
Careerverified
Per 600 PAverified
2
5.58
Rollie Sheldon
Career
Per 600 PA
1
2.51
Jack Armstrong
Career
Per 600 PA
2
5.58
Rollie Sheldon
Careerverified
Per 600 PAverified
10
25.1
Jack Armstrong
Career
Per 600 PA
0
0
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Careerverified
Per 600 PAverified
83
231.63
Rollie Sheldon
Career
Per 600 PA
113
283.68
Jack Armstrong
Careerverified
Per 600 PAverified
2.59
2.59
Rollie Sheldon
Career
Per 600 PA
2.12
2.12
Jack Armstrong
Career
Per 600 PA
0.02
0.02
Rollie Sheldon
Careerverified
Per 600 PAverified
0.09
0.09
Jack Armstrong
Careerverified
Per 600 PAverified
26
72.56
Rollie Sheldon
Career
Per 600 PA
19
47.7
Jack Armstrong
Career
Per 600 PA
0
0
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
6
16.74
Rollie Sheldon
Careerverified
Per 600 PAverified
4
10.04
Jack Armstrong
Career
Per 600 PA
0
0
Rollie Sheldon
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Rollie Sheldon
Careerverified
Per 600 PAverified
1
2.51
Jack Armstrong
Career
Per 600 PA
0
0
Rollie Sheldon
Careerverified
Per 600 PAverified
1
2.51
Jack Armstrong
Career
Per 600 PA
Rollie Sheldon
Career
Per 600 PA
0
0