Mike Armstrong vs. Willie Hernandez — Career Comparison

Mike Armstrong
Baby BoomersNew YorkThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueRelief Pitcher
Willie Hernandez
Baby BoomersP.R.Throws LeftBats LeftCaribbeanDetroit TigersAmerican LeagueRelief PitcherCy Young AwardMVPAll-Star

The numbers give Mike Armstrong a clear advantage over Willie Hernandez across the core pitching metrics. Mike Armstrong led in home run suppression (HR9+ 95 vs 76), run prevention (ERA+ 110 vs 100), and skill-based run prevention (DICE+ 97 vs 91). Willie Hernandez held the edge in strikeout rate (K%+ 109 vs 107). Mike Armstrong was the better reliever — the numbers make that case clearly.

Pitching Stats for Mike Armstrong and Willie Hernandez

Mike Armstrong
Career
Per 9 Innings
8
8
Willie Hernandez
Careerverified
Per 9 Inningsverified
13
13
Mike Armstrong
Career
Per 9 Innings
197
5.25
Willie Hernandez
Careerverified
Per 9 Inningsverified
744
6.41
Mike Armstrong
Career
Per 9 Innings
1
0.03
Willie Hernandez
Careerverified
Per 9 Inningsverified
11
0.09
Mike Armstrong
Career
Per 9 Innings
19
0.51
Willie Hernandez
Careerverified
Per 9 Inningsverified
70
0.6
Mike Armstrong
Careerverified
Per 9 Inningsverified
17
0.45
Willie Hernandez
Career
Per 9 Innings
63
0.54
Mike Armstrong
Careerverified
Per 9 Inningsverified
52.78
52.78
Willie Hernandez
Career
Per 9 Innings
52.63
52.63
Mike Armstrong
Career
Per 9 Innings
0.51
0.51
Willie Hernandez
Careerverified
Per 9 Inningsverified
1.48
1.48
Mike Armstrong
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
11
0.29
Willie Hernandez
Careerverified
Per 9 Inningsverified
147
1.27
Mike Armstrong
Careerverified
Per 9 Innings
154
4.1
Willie Hernandez
Career
Per 9 Inningsverified
392
3.38
Mike Armstrong
Career
Per 9 Innings
4.1
4.1
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.38
3.38
Mike Armstrong
Career
Per 9 Innings
3.85
3.85
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.27
3.27
Mike Armstrong
Career
Per 9 Innings
4.74
4.74
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.77
3.77
Mike Armstrong
Careerverified
Per 9 Inningsverified
0.24
0.24
Willie Hernandez
Career
Per 9 Innings
0.245
0.245
Mike Armstrong
Career
Per 9 Innings
1014
27
Willie Hernandez
Careerverified
Per 9 Innings
3134
27
Mike Armstrong
Career
Per 9 Innings
338
9
Willie Hernandez
Careerverified
Per 9 Innings
1044.2
9
Mike Armstrong
Careerverified
Per 9 Inningsverified
300
7.99
Willie Hernandez
Career
Per 9 Innings
952
8.2
Mike Armstrong
Careerverified
Per 9 Inningsverified
7.99
7.99
Willie Hernandez
Career
Per 9 Innings
8.2
8.2
Mike Armstrong
Careerverified
Per 9 Innings
42
1.12
Willie Hernandez
Career
Per 9 Inningsverified
97
0.84
Mike Armstrong
Career
Per 9 Innings
1.12
1.12
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.84
0.84
Mike Armstrong
Career
Per 9 Innings
0.21
0.21
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.13
0.13
Mike Armstrong
Careerverified
Per 9 Innings
155
4.13
Willie Hernandez
Career
Per 9 Inningsverified
349
3.01
Mike Armstrong
Careerverified
Per 9 Inningsverified
20
0.53
Willie Hernandez
Career
Per 9 Innings
79
0.68
Mike Armstrong
Career
Per 9 Innings
4.13
4.13
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.01
3.01
Mike Armstrong
Career
Per 9 Innings
221
5.88
Willie Hernandez
Careerverified
Per 9 Inningsverified
788
6.79
Mike Armstrong
Career
Per 9 Innings
5.88
5.88
Willie Hernandez
Careerverified
Per 9 Inningsverified
6.79
6.79
Mike Armstrong
Careerverified
Per 9 Inningsverified
1.12
1.12
Willie Hernandez
Career
Per 9 Innings
1.06
1.06
Mike Armstrong
Careerverified
Per 9 Inningsverified
1.112
1.112
Willie Hernandez
Career
Per 9 Innings
1.088
1.088
Mike Armstrong
Careerverified
Per 9 Innings
16
0.43
Willie Hernandez
Career
Per 9 Inningsverified
37
0.32
Mike Armstrong
Careerverified
Per 9 Inningsverified
6
0.16
Willie Hernandez
Career
Per 9 Innings
25
0.22
Mike Armstrong
Careerverified
Per 9 Inningsverified
2
0.05
Willie Hernandez
Career
Per 9 Innings
10
0.09
Mike Armstrong
Career
Per 9 Inningsverified
1439
38.32
Willie Hernandez
Careerverified
Per 9 Innings
4366
37.61
Mike Armstrong
Career
Per 9 Innings
94
2.5
Willie Hernandez
Careerverified
Per 9 Inningsverified
419
3.61
Mike Armstrong
Careerverified
Per 9 Innings
170
4.53
Willie Hernandez
Career
Per 9 Inningsverified
431
3.71
Mike Armstrong
Career
Per 9 Innings
4.53
4.53
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.71
3.71
Mike Armstrong
Careerverified
Per 9 Inningsverified
11
0.29
Willie Hernandez
Career
Per 9 Innings
65
0.56
Mike Armstrong
Careerverified
Per 9 Innings
15
0.4
Willie Hernandez
Career
Per 9 Inningsverified
36
0.31
Mike Armstrong
Career
Per 9 Innings
19
0.51
Willie Hernandez
Careerverified
Per 9 Inningsverified
72
0.62
Mike Armstrong
Career
Per 9 Innings
1.346
1.346
Willie Hernandez
Careerverified
Per 9 Inningsverified
1.245
1.245
Mike Armstrong
Career
Per 9 Innings
1252
33.34
Willie Hernandez
Careerverified
Per 9 Inningsverified
3891
33.52
Mike Armstrong
Career
Per 9 Innings
0.86
0.86
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.58
0.58
Mike Armstrong
Careerverified
Per 9 Inningsverified
0.261
0.261
Willie Hernandez
Career
Per 9 Innings
0.284
0.284
Mike Armstrong
Careerverified
Per 9 Inningsverified
38.32
38.32
Willie Hernandez
Career
Per 9 Innings
37.61
37.61

Fielding Stats for Mike Armstrong and Willie Hernandez

Mike Armstrong
Career
Per 9 Innings
8
8
Willie Hernandez
Careerverified
Per 9 Inningsverified
13
13
Mike Armstrong
Career
Per 9 Innings
197
5.25
Willie Hernandez
Careerverified
Per 9 Inningsverified
744
6.41
Mike Armstrong
Career
Per 9 Innings
1
0.03
Willie Hernandez
Careerverified
Per 9 Inningsverified
11
0.09
Mike Armstrong
Career
Per 9 Innings
1014
27
Willie Hernandez
Careerverified
Per 9 Innings
3134
27
Mike Armstrong
Career
Per 9 Innings
338
9
Willie Hernandez
Careerverified
Per 9 Innings
1044.2
9
Mike Armstrong
Career
Per 9 Inningsverified
28
0.75
Willie Hernandez
Careerverified
Per 9 Innings
58
0.5
Mike Armstrong
Career
Per 9 Innings
28
0.75
Willie Hernandez
Careerverified
Per 9 Inningsverified
169
1.46
Mike Armstrong
Career
Per 9 Innings
4
0.11
Willie Hernandez
Career
Per 9 Inningsverified
4
0.03
Mike Armstrong
Career
Per 9 Innings
60
1.6
Willie Hernandez
Careerverified
Per 9 Inningsverified
231
1.99
Mike Armstrong
Career
Per 9 Innings
56
1.49
Willie Hernandez
Careerverified
Per 9 Inningsverified
227
1.96
Mike Armstrong
Career
Per 9 Innings
93.33
93.33
Willie Hernandez
Careerverified
Per 9 Inningsverified
98.27
98.27
Mike Armstrong
Career
Per 9 Innings
0.284
0.284
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.305
0.305
Mike Armstrong
Career
Per 9 Innings
0.51
0.51
Willie Hernandez
Careerverified
Per 9 Inningsverified
1.48
1.48
Mike Armstrong
Career
Per 9 Innings
3
0.08
Willie Hernandez
Careerverified
Per 9 Inningsverified
12
0.1
Mike Armstrong
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0

Hitting Stats for Mike Armstrong and Willie Hernandez

Mike Armstrong
Career
Per 600 PA
8
8
Willie Hernandez
Careerverified
Per 600 PAverified
13
13
Mike Armstrong
Career
Per 600 PAverified
198
39600
Willie Hernandez
Careerverified
Per 600 PA
747
6402.86
Mike Armstrong
Career
Per 600 PA
3
600
Willie Hernandez
Careerverified
Per 600 PA
70
600
Mike Armstrong
Career
Per 600 PAverified
3
600
Willie Hernandez
Careerverified
Per 600 PA
63
540
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.206
0.206
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.531
0.531
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
13
111.43
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
11
94.29
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Mike Armstrong
Career
Per 600 PA
Willie Hernandez
Careerverified
Per 600 PAverified
0.154
0.154
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
Willie Hernandez
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
3.49
29.92
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
15
128.57
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
14
120
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.219
0.219
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.238
0.238
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.457
0.457
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.032
0.032
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.158
0.158
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.36
0.36
Mike Armstrong
Career
Per 600 PA
Willie Hernandez
Careerverified
Per 600 PAverified
0.382
0.382
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
4
34.29
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
3
25.71
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
7
60
Mike Armstrong
Career
Per 600 PA
-0.33
-66.4
Willie Hernandez
Careerverified
Per 600 PAverified
3.5
30.01
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
1
8.57
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Mike Armstrong
Careerverified
Per 600 PA
3
600
Willie Hernandez
Career
Per 600 PAverified
29
248.57
Mike Armstrong
Career
Per 600 PA
1
1
Willie Hernandez
Careerverified
Per 600 PAverified
2.41
2.41
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.03
0.03
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
6
51.43
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Mike Armstrong
Career
Per 600 PA
Willie Hernandez
Careerverified
Per 600 PAverified
100
100