Mike Armstrong vs. Ron Willis — Career Comparison

Mike Armstrong
Baby BoomersNew YorkThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueRelief Pitcher
Ron Willis
Silent GenerationTennesseeThrows RightBats RightNorth AmericaSt. Louis CardinalsNational LeagueRelief Pitcher

The numbers give Mike Armstrong a clear advantage over Ron Willis across the core pitching metrics. Mike Armstrong led in strikeout rate (K%+ 107 vs 78), walk avoidance (BB%+ 90 vs 80), and skill-based run prevention (DICE+ 97 vs 90). Ron Willis held the edge in home run suppression (HR9+ 134 vs 95). Mike Armstrong was the better reliever — the numbers make that case clearly.

Pitching Stats for Mike Armstrong and Ron Willis

Mike Armstrong
Careerverified
Per 9 Inningsverified
8
8
Ron Willis
Career
Per 9 Innings
5
5
Mike Armstrong
Careerverified
Per 9 Innings
197
5.25
Ron Willis
Career
Per 9 Inningsverified
188
7.1
Mike Armstrong
Careerverified
Per 9 Inningsverified
1
0.03
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
19
0.51
Ron Willis
Career
Per 9 Innings
11
0.42
Mike Armstrong
Career
Per 9 Innings
17
0.45
Ron Willis
Careerverified
Per 9 Innings
12
0.45
Mike Armstrong
Careerverified
Per 9 Inningsverified
52.78
52.78
Ron Willis
Career
Per 9 Innings
47.83
47.83
Mike Armstrong
Careerverified
Per 9 Inningsverified
0.51
0.51
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
11
0.29
Ron Willis
Careerverified
Per 9 Inningsverified
19
0.72
Mike Armstrong
Career
Per 9 Innings
154
4.1
Ron Willis
Careerverified
Per 9 Inningsverified
88
3.32
Mike Armstrong
Career
Per 9 Innings
4.1
4.1
Ron Willis
Careerverified
Per 9 Inningsverified
3.32
3.32
Mike Armstrong
Career
Per 9 Innings
3.85
3.85
Ron Willis
Careerverified
Per 9 Inningsverified
3.36
3.36
Mike Armstrong
Career
Per 9 Innings
4.74
4.74
Ron Willis
Careerverified
Per 9 Inningsverified
4.36
4.36
Mike Armstrong
Career
Per 9 Innings
0.24
0.24
Ron Willis
Careerverified
Per 9 Inningsverified
0.232
0.232
Mike Armstrong
Careerverified
Per 9 Innings
1014
27
Ron Willis
Career
Per 9 Innings
715
27
Mike Armstrong
Careerverified
Per 9 Innings
338
9
Ron Willis
Career
Per 9 Innings
238.1
9
Mike Armstrong
Career
Per 9 Innings
300
7.99
Ron Willis
Careerverified
Per 9 Inningsverified
209
7.89
Mike Armstrong
Career
Per 9 Innings
7.99
7.99
Ron Willis
Careerverified
Per 9 Inningsverified
7.89
7.89
Mike Armstrong
Career
Per 9 Innings
42
1.12
Ron Willis
Careerverified
Per 9 Inningsverified
15
0.57
Mike Armstrong
Career
Per 9 Innings
1.12
1.12
Ron Willis
Careerverified
Per 9 Inningsverified
0.57
0.57
Mike Armstrong
Career
Per 9 Innings
0.21
0.21
Ron Willis
Careerverified
Per 9 Inningsverified
0.08
0.08
Mike Armstrong
Career
Per 9 Inningsverified
155
4.13
Ron Willis
Careerverified
Per 9 Innings
119
4.49
Mike Armstrong
Careerverified
Per 9 Inningsverified
20
0.53
Ron Willis
Career
Per 9 Innings
40
1.51
Mike Armstrong
Careerverified
Per 9 Inningsverified
4.13
4.13
Ron Willis
Career
Per 9 Innings
4.49
4.49
Mike Armstrong
Careerverified
Per 9 Inningsverified
221
5.88
Ron Willis
Career
Per 9 Innings
128
4.83
Mike Armstrong
Careerverified
Per 9 Inningsverified
5.88
5.88
Ron Willis
Career
Per 9 Innings
4.83
4.83
Mike Armstrong
Careerverified
Per 9 Inningsverified
1.12
1.12
Ron Willis
Career
Per 9 Innings
0.68
0.68
Mike Armstrong
Careerverified
Per 9 Inningsverified
1.112
1.112
Ron Willis
Career
Per 9 Innings
1.036
1.036
Mike Armstrong
Career
Per 9 Inningsverified
16
0.43
Ron Willis
Careerverified
Per 9 Innings
13
0.49
Mike Armstrong
Careerverified
Per 9 Inningsverified
6
0.16
Ron Willis
Career
Per 9 Innings
9
0.34
Mike Armstrong
Career
Per 9 Innings
2
0.05
Ron Willis
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Careerverified
Per 9 Innings
1439
38.32
Ron Willis
Career
Per 9 Inningsverified
1037
39.16
Mike Armstrong
Careerverified
Per 9 Innings
94
2.5
Ron Willis
Career
Per 9 Inningsverified
74
2.79
Mike Armstrong
Career
Per 9 Innings
170
4.53
Ron Willis
Careerverified
Per 9 Inningsverified
101
3.81
Mike Armstrong
Career
Per 9 Innings
4.53
4.53
Ron Willis
Careerverified
Per 9 Inningsverified
3.81
3.81
Mike Armstrong
Career
Per 9 Innings
11
0.29
Ron Willis
Careerverified
Per 9 Inningsverified
4
0.15
Mike Armstrong
Career
Per 9 Innings
15
0.4
Ron Willis
Careerverified
Per 9 Inningsverified
3
0.11
Mike Armstrong
Careerverified
Per 9 Inningsverified
19
0.51
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
1.346
1.346
Ron Willis
Career
Per 9 Innings
1.376
1.376
Mike Armstrong
Careerverified
Per 9 Innings
1252
33.34
Ron Willis
Career
Per 9 Inningsverified
902
34.06
Mike Armstrong
Career
Per 9 Innings
0.86
0.86
Ron Willis
Careerverified
Per 9 Inningsverified
0.54
0.54
Mike Armstrong
Career
Per 9 Innings
0.261
0.261
Ron Willis
Careerverified
Per 9 Inningsverified
0.256
0.256
Mike Armstrong
Career
Per 9 Innings
38.32
38.32
Ron Willis
Careerverified
Per 9 Inningsverified
39.16
39.16

Fielding Stats for Mike Armstrong and Ron Willis

Mike Armstrong
Careerverified
Per 9 Inningsverified
8
8
Ron Willis
Career
Per 9 Innings
5
5
Mike Armstrong
Careerverified
Per 9 Innings
197
5.25
Ron Willis
Career
Per 9 Inningsverified
188
7.1
Mike Armstrong
Careerverified
Per 9 Inningsverified
1
0.03
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Careerverified
Per 9 Innings
1014
27
Ron Willis
Career
Per 9 Innings
715
27
Mike Armstrong
Careerverified
Per 9 Innings
338
9
Ron Willis
Career
Per 9 Innings
238.1
9
Mike Armstrong
Careerverified
Per 9 Innings
28
0.75
Ron Willis
Career
Per 9 Inningsverified
24
0.91
Mike Armstrong
Career
Per 9 Innings
28
0.75
Ron Willis
Careerverified
Per 9 Inningsverified
56
2.11
Mike Armstrong
Career
Per 9 Innings
4
0.11
Ron Willis
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Career
Per 9 Innings
60
1.6
Ron Willis
Careerverified
Per 9 Inningsverified
80
3.02
Mike Armstrong
Career
Per 9 Innings
56
1.49
Ron Willis
Careerverified
Per 9 Inningsverified
80
3.02
Mike Armstrong
Career
Per 9 Innings
93.33
93.33
Ron Willis
Careerverified
Per 9 Inningsverified
100
100
Mike Armstrong
Career
Per 9 Innings
0.284
0.284
Ron Willis
Careerverified
Per 9 Inningsverified
0.426
0.426
Mike Armstrong
Careerverified
Per 9 Inningsverified
0.51
0.51
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
3
0.08
Ron Willis
Careerverified
Per 9 Inningsverified
6
0.23
Mike Armstrong
Career
Per 9 Innings
0
0
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Ron Willis
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Ron Willis
Career
Per 9 Innings
0
0

Hitting Stats for Mike Armstrong and Ron Willis

Mike Armstrong
Careerverified
Per 600 PAverified
8
8
Ron Willis
Career
Per 600 PA
5
5
Mike Armstrong
Careerverified
Per 600 PAverified
198
39600
Ron Willis
Career
Per 600 PA
188
4338.46
Mike Armstrong
Career
Per 600 PA
3
600
Ron Willis
Careerverified
Per 600 PA
26
600
Mike Armstrong
Career
Per 600 PAverified
3
600
Ron Willis
Careerverified
Per 600 PA
25
576.92
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.16
0.16
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.404
0.404
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
4
92.31
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
3
69.23
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
1
23.08
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
1
23.08
Mike Armstrong
Career
Per 600 PA
Ron Willis
Careerverified
Per 600 PAverified
0.25
0.25
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.8
18.42
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
5
115.38
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
5
115.38
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.192
0.192
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.2
0.2
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.392
0.392
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.04
0.04
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.137
0.137
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.273
0.273
Mike Armstrong
Career
Per 600 PA
Ron Willis
Careerverified
Per 600 PAverified
0.235
0.235
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
1
23.08
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
3
69.23
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
4
92.31
Mike Armstrong
Career
Per 600 PA
-0.33
-66.4
Ron Willis
Careerverified
Per 600 PAverified
0.27
6.2
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
1
23.08
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Careerverified
Per 600 PA
3
600
Ron Willis
Career
Per 600 PAverified
8
184.62
Mike Armstrong
Career
Per 600 PA
1
1
Ron Willis
Careerverified
Per 600 PAverified
3.25
3.25
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Careerverified
Per 600 PAverified
0.13
0.13
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Careerverified
Per 600 PAverified
0
0
Ron Willis
Career
Per 600 PA
1
23.08
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Ron Willis
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
Ron Willis
Career
Per 600 PA