Jack Armstrong vs. Dave Leonhard — Career Comparison

Jack Armstrong
Gen XNew JerseyThrows RightBats RightNorth AmericaCincinnati RedsNational LeagueStarting PitcherAll-Star
Dave Leonhard
Silent GenerationVirginiaThrows RightBats RightNorth AmericaBaltimore OriolesAmerican LeagueRelief Pitcher

Jack Armstrong built a career as a starting pitcher and Dave Leonhard as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dave Leonhard led in run prevention (ERA+ 117 vs 89), walk avoidance (BB%+ 100 vs 91), and home run suppression (HR9+ 91 vs 85). Jack Armstrong held the edge in strikeout rate (K%+ 103 vs 66). Keeping the role difference in mind, the edge still goes to Dave Leonhard.

Pitching Stats for Jack Armstrong and Dave Leonhard

Jack Armstrong
Careerverified
Per 9 Inningsverified
7
7
Dave Leonhard
Career
Per 9 Innings
6
6
Jack Armstrong
Careerverified
Per 9 Innings
152
1.74
Dave Leonhard
Career
Per 9 Inningsverified
117
3.12
Jack Armstrong
Careerverified
Per 9 Inningsverified
130
1.49
Dave Leonhard
Career
Per 9 Innings
29
0.77
Jack Armstrong
Careerverified
Per 9 Inningsverified
40
0.46
Dave Leonhard
Career
Per 9 Innings
16
0.43
Jack Armstrong
Career
Per 9 Innings
65
0.74
Dave Leonhard
Careerverified
Per 9 Inningsverified
14
0.37
Jack Armstrong
Career
Per 9 Innings
38.1
38.1
Dave Leonhard
Careerverified
Per 9 Inningsverified
53.33
53.33
Jack Armstrong
Careerverified
Per 9 Inningsverified
85.53
85.53
Dave Leonhard
Career
Per 9 Innings
24.79
24.79
Jack Armstrong
Career
Per 9 Innings
4
0.05
Dave Leonhard
Careerverified
Per 9 Inningsverified
7
0.19
Jack Armstrong
Career
Per 9 Innings
1
0.01
Dave Leonhard
Careerverified
Per 9 Inningsverified
4
0.11
Jack Armstrong
Career
Per 9 Innings
0
0
Dave Leonhard
Careerverified
Per 9 Inningsverified
5
0.13
Jack Armstrong
Career
Per 9 Innings
400
4.58
Dave Leonhard
Careerverified
Per 9 Inningsverified
118
3.15
Jack Armstrong
Career
Per 9 Innings
4.58
4.58
Dave Leonhard
Careerverified
Per 9 Inningsverified
3.15
3.15
Jack Armstrong
Career
Per 9 Innings
4.48
4.48
Dave Leonhard
Careerverified
Per 9 Inningsverified
3.45
3.45
Jack Armstrong
Careerverified
Per 9 Inningsverified
4.67
4.67
Dave Leonhard
Career
Per 9 Innings
4.74
4.74
Jack Armstrong
Career
Per 9 Innings
0.265
0.265
Dave Leonhard
Careerverified
Per 9 Inningsverified
0.232
0.232
Jack Armstrong
Careerverified
Per 9 Innings
2360
27
Dave Leonhard
Career
Per 9 Innings
1011
27
Jack Armstrong
Careerverified
Per 9 Innings
786.2
9
Dave Leonhard
Career
Per 9 Innings
337
9
Jack Armstrong
Career
Per 9 Innings
807
9.23
Dave Leonhard
Careerverified
Per 9 Inningsverified
287
7.66
Jack Armstrong
Career
Per 9 Innings
9.23
9.23
Dave Leonhard
Careerverified
Per 9 Inningsverified
7.66
7.66
Jack Armstrong
Career
Per 9 Innings
102
1.17
Dave Leonhard
Careerverified
Per 9 Inningsverified
32
0.85
Jack Armstrong
Career
Per 9 Innings
1.17
1.17
Dave Leonhard
Careerverified
Per 9 Inningsverified
0.85
0.85
Jack Armstrong
Career
Per 9 Innings
0.67
0.67
Dave Leonhard
Careerverified
Per 9 Inningsverified
0.27
0.27
Jack Armstrong
Career
Per 9 Inningsverified
319
3.65
Dave Leonhard
Careerverified
Per 9 Innings
150
4.01
Jack Armstrong
Career
Per 9 Inningsverified
21
0.24
Dave Leonhard
Careerverified
Per 9 Innings
14
0.37
Jack Armstrong
Careerverified
Per 9 Inningsverified
3.65
3.65
Dave Leonhard
Career
Per 9 Innings
4.01
4.01
Jack Armstrong
Careerverified
Per 9 Inningsverified
510
5.83
Dave Leonhard
Career
Per 9 Innings
146
3.9
Jack Armstrong
Careerverified
Per 9 Inningsverified
5.83
5.83
Dave Leonhard
Career
Per 9 Innings
3.9
3.9
Jack Armstrong
Careerverified
Per 9 Inningsverified
3.36
3.36
Dave Leonhard
Career
Per 9 Innings
1.25
1.25
Jack Armstrong
Careerverified
Per 9 Inningsverified
1.054
1.054
Dave Leonhard
Career
Per 9 Innings
0.878
0.878
Jack Armstrong
Career
Per 9 Innings
26
0.3
Dave Leonhard
Careerverified
Per 9 Inningsverified
10
0.27
Jack Armstrong
Career
Per 9 Innings
18
0.21
Dave Leonhard
Careerverified
Per 9 Inningsverified
4
0.11
Jack Armstrong
Career
Per 9 Innings
13
0.15
Dave Leonhard
Careerverified
Per 9 Inningsverified
4
0.11
Jack Armstrong
Careerverified
Per 9 Inningsverified
3450
39.47
Dave Leonhard
Career
Per 9 Innings
1403
37.47
Jack Armstrong
Career
Per 9 Innings
10
0.11
Dave Leonhard
Careerverified
Per 9 Inningsverified
24
0.64
Jack Armstrong
Career
Per 9 Innings
439
5.02
Dave Leonhard
Careerverified
Per 9 Inningsverified
125
3.34
Jack Armstrong
Career
Per 9 Innings
5.02
5.02
Dave Leonhard
Careerverified
Per 9 Inningsverified
3.34
3.34
Jack Armstrong
Career
Per 9 Innings
34
0.39
Dave Leonhard
Careerverified
Per 9 Inningsverified
7
0.19
Jack Armstrong
Career
Per 9 Innings
35
0.4
Dave Leonhard
Careerverified
Per 9 Inningsverified
5
0.13
Jack Armstrong
Careerverified
Per 9 Inningsverified
37
0.42
Dave Leonhard
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
1.431
1.431
Dave Leonhard
Careerverified
Per 9 Inningsverified
1.297
1.297
Jack Armstrong
Careerverified
Per 9 Inningsverified
3044
34.83
Dave Leonhard
Career
Per 9 Innings
1237
33.04
Jack Armstrong
Career
Per 9 Innings
2.89
2.89
Dave Leonhard
Careerverified
Per 9 Inningsverified
1.07
1.07
Jack Armstrong
Career
Per 9 Innings
0.29
0.29
Dave Leonhard
Careerverified
Per 9 Inningsverified
0.241
0.241
Jack Armstrong
Careerverified
Per 9 Inningsverified
39.47
39.47
Dave Leonhard
Career
Per 9 Innings
37.47
37.47

Fielding Stats for Jack Armstrong and Dave Leonhard

Jack Armstrong
Careerverified
Per 9 Inningsverified
7
7
Dave Leonhard
Career
Per 9 Innings
6
6
Jack Armstrong
Careerverified
Per 9 Innings
152
1.74
Dave Leonhard
Career
Per 9 Inningsverified
117
3.13
Jack Armstrong
Careerverified
Per 9 Inningsverified
130
1.49
Dave Leonhard
Career
Per 9 Innings
29
0.78
Jack Armstrong
Careerverified
Per 9 Innings
2360
27
Dave Leonhard
Career
Per 9 Innings
1010
27
Jack Armstrong
Careerverified
Per 9 Innings
786.2
9
Dave Leonhard
Career
Per 9 Innings
336.2
9
Jack Armstrong
Careerverified
Per 9 Innings
62
0.71
Dave Leonhard
Career
Per 9 Inningsverified
27
0.72
Jack Armstrong
Careerverified
Per 9 Innings
111
1.27
Dave Leonhard
Career
Per 9 Inningsverified
65
1.74
Jack Armstrong
Career
Per 9 Innings
8
0.09
Dave Leonhard
Careerverified
Per 9 Inningsverified
2
0.05
Jack Armstrong
Careerverified
Per 9 Innings
181
2.07
Dave Leonhard
Career
Per 9 Inningsverified
94
2.51
Jack Armstrong
Careerverified
Per 9 Innings
173
1.98
Dave Leonhard
Career
Per 9 Inningsverified
92
2.46
Jack Armstrong
Career
Per 9 Innings
95.58
95.58
Dave Leonhard
Careerverified
Per 9 Inningsverified
97.87
97.87
Jack Armstrong
Careerverified
Per 9 Inningsverified
1.138
1.138
Dave Leonhard
Career
Per 9 Innings
0.786
0.786
Jack Armstrong
Careerverified
Per 9 Inningsverified
85.53
85.53
Dave Leonhard
Career
Per 9 Innings
24.79
24.79
Jack Armstrong
Careerverified
Per 9 Innings
5
0.06
Dave Leonhard
Career
Per 9 Inningsverified
3
0.08
Jack Armstrong
Career
Per 9 Innings
0
0
Dave Leonhard
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Dave Leonhard
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Dave Leonhard
Career
Per 9 Innings
0
0
Jack Armstrong
Career
Per 9 Innings
0
0
Dave Leonhard
Career
Per 9 Innings
0
0

Hitting Stats for Jack Armstrong and Dave Leonhard

Jack Armstrong
Careerverified
Per 600 PAverified
7
7
Dave Leonhard
Career
Per 600 PA
6
6
Jack Armstrong
Careerverified
Per 600 PA
153
426.98
Dave Leonhard
Career
Per 600 PAverified
125
806.45
Jack Armstrong
Careerverified
Per 600 PA
215
600
Dave Leonhard
Career
Per 600 PA
93
600
Jack Armstrong
Careerverified
Per 600 PAverified
185
516.28
Dave Leonhard
Career
Per 600 PA
77
496.77
Jack Armstrong
Career
Per 600 PA
0.114
0.114
Dave Leonhard
Careerverified
Per 600 PAverified
0.156
0.156
Jack Armstrong
Career
Per 600 PA
0.354
0.354
Dave Leonhard
Careerverified
Per 600 PAverified
0.479
0.479
Jack Armstrong
Careerverified
Per 600 PA
21
58.6
Dave Leonhard
Career
Per 600 PAverified
12
77.42
Jack Armstrong
Careerverified
Per 600 PA
19
53.02
Dave Leonhard
Career
Per 600 PAverified
10
64.52
Jack Armstrong
Career
Per 600 PA
2
5.58
Dave Leonhard
Career
Per 600 PAverified
2
12.9
Jack Armstrong
Career
Per 600 PA
0
0
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
2
5.58
Dave Leonhard
Career
Per 600 PAverified
2
12.9
Jack Armstrong
Career
Per 600 PA
0.095
0.095
Dave Leonhard
Careerverified
Per 600 PAverified
0.167
0.167
Jack Armstrong
Career
Per 600 PA
0
0
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
2.16
6.02
Dave Leonhard
Careerverified
Per 600 PAverified
2.41
15.53
Jack Armstrong
Careerverified
Per 600 PA
23
64.19
Dave Leonhard
Career
Per 600 PAverified
14
90.32
Jack Armstrong
Careerverified
Per 600 PA
25
69.77
Dave Leonhard
Career
Per 600 PAverified
17
109.68
Jack Armstrong
Career
Per 600 PA
0.132
0.132
Dave Leonhard
Careerverified
Per 600 PAverified
0.207
0.207
Jack Armstrong
Career
Per 600 PA
0.124
0.124
Dave Leonhard
Careerverified
Per 600 PAverified
0.182
0.182
Jack Armstrong
Career
Per 600 PA
0.257
0.257
Dave Leonhard
Careerverified
Per 600 PAverified
0.389
0.389
Jack Armstrong
Career
Per 600 PA
0.011
0.011
Dave Leonhard
Careerverified
Per 600 PAverified
0.026
0.026
Jack Armstrong
Career
Per 600 PA
0.091
0.091
Dave Leonhard
Careerverified
Per 600 PAverified
0.139
0.139
Jack Armstrong
Career
Per 600 PA
0.159
0.159
Dave Leonhard
Careerverified
Per 600 PAverified
0.279
0.279
Jack Armstrong
Career
Per 600 PA
0.206
0.206
Dave Leonhard
Careerverified
Per 600 PAverified
0.267
0.267
Jack Armstrong
Careerverified
Per 600 PA
8
22.33
Dave Leonhard
Career
Per 600 PAverified
6
38.71
Jack Armstrong
Careerverified
Per 600 PAverified
8
22.33
Dave Leonhard
Career
Per 600 PA
2
12.9
Jack Armstrong
Careerverified
Per 600 PA
16
44.65
Dave Leonhard
Career
Per 600 PAverified
8
51.61
Jack Armstrong
Career
Per 600 PA
-4.73
-13.19
Dave Leonhard
Careerverified
Per 600 PAverified
1.45
9.35
Jack Armstrong
Careerverified
Per 600 PAverified
2
5.58
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
2
5.58
Dave Leonhard
Careerverified
Per 600 PAverified
5
32.26
Jack Armstrong
Career
Per 600 PA
0
0
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
83
231.63
Dave Leonhard
Careerverified
Per 600 PAverified
32
206.45
Jack Armstrong
Career
Per 600 PA
2.59
2.59
Dave Leonhard
Careerverified
Per 600 PAverified
2.91
2.91
Jack Armstrong
Career
Per 600 PA
0.02
0.02
Dave Leonhard
Careerverified
Per 600 PAverified
0.16
0.16
Jack Armstrong
Careerverified
Per 600 PAverified
26
72.56
Dave Leonhard
Career
Per 600 PA
11
70.97
Jack Armstrong
Career
Per 600 PA
0
0
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PAverified
6
16.74
Dave Leonhard
Careerverified
Per 600 PA
3
19.35
Jack Armstrong
Career
Per 600 PA
0
0
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
0
0
Dave Leonhard
Career
Per 600 PA
0
0
Jack Armstrong
Career
Per 600 PA
Dave Leonhard
Career
Per 600 PA