Jeremy Affeldt vs. Willie Hernandez — Career Comparison

Jeremy Affeldt
Gen XArizonaThrows LeftBats LeftNorth AmericaSan Francisco GiantsNational LeagueRelief Pitcher
Willie Hernandez
Baby BoomersP.R.Throws LeftBats LeftCaribbeanDetroit TigersAmerican LeagueRelief PitcherCy Young AwardMVPAll-Star

Jeremy Affeldt and Willie Hernandez are about as close as two relievers get — the gap between them is negligible across the key measures. Their run-prevention numbers were nearly identical — ERA+ of 98 for Jeremy Affeldt and 100 for Willie Hernandez, with skill-based marks of DICE+ 89 and 91 respectively. If forced to pick, Willie Hernandez gets the slight nod, but this is a genuinely even pairing.

Pitching Stats for Jeremy Affeldt and Willie Hernandez

Jeremy Affeldt
Careerverified
Per 9 Inningsverified
14
14
Willie Hernandez
Career
Per 9 Innings
13
13
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
774
7.52
Willie Hernandez
Career
Per 9 Innings
744
6.41
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
42
0.41
Willie Hernandez
Career
Per 9 Innings
11
0.09
Jeremy Affeldt
Career
Per 9 Innings
43
0.42
Willie Hernandez
Careerverified
Per 9 Inningsverified
70
0.6
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
46
0.45
Willie Hernandez
Career
Per 9 Innings
63
0.54
Jeremy Affeldt
Career
Per 9 Innings
48.31
48.31
Willie Hernandez
Careerverified
Per 9 Inningsverified
52.63
52.63
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
5.43
5.43
Willie Hernandez
Career
Per 9 Innings
1.48
1.48
Jeremy Affeldt
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
28
0.27
Willie Hernandez
Careerverified
Per 9 Inningsverified
147
1.27
Jeremy Affeldt
Career
Per 9 Innings
408
3.97
Willie Hernandez
Careerverified
Per 9 Inningsverified
392
3.38
Jeremy Affeldt
Career
Per 9 Innings
3.97
3.97
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.38
3.38
Jeremy Affeldt
Career
Per 9 Innings
4.02
4.02
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.27
3.27
Jeremy Affeldt
Career
Per 9 Innings
3.93
3.93
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.77
3.77
Jeremy Affeldt
Career
Per 9 Innings
0.256
0.256
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.245
0.245
Jeremy Affeldt
Career
Per 9 Innings
2778
27
Willie Hernandez
Careerverified
Per 9 Innings
3134
27
Jeremy Affeldt
Career
Per 9 Innings
926
9
Willie Hernandez
Careerverified
Per 9 Innings
1044.2
9
Jeremy Affeldt
Careerverified
Per 9 Innings
904
8.79
Willie Hernandez
Career
Per 9 Inningsverified
952
8.2
Jeremy Affeldt
Career
Per 9 Innings
8.79
8.79
Willie Hernandez
Careerverified
Per 9 Inningsverified
8.2
8.2
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
76
0.74
Willie Hernandez
Career
Per 9 Innings
97
0.84
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
0.74
0.74
Willie Hernandez
Career
Per 9 Innings
0.84
0.84
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
0.1
0.1
Willie Hernandez
Career
Per 9 Innings
0.13
0.13
Jeremy Affeldt
Career
Per 9 Innings
396
3.85
Willie Hernandez
Careerverified
Per 9 Inningsverified
349
3.01
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
41
0.4
Willie Hernandez
Career
Per 9 Innings
79
0.68
Jeremy Affeldt
Career
Per 9 Innings
3.85
3.85
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.01
3.01
Jeremy Affeldt
Career
Per 9 Inningsverified
720
7
Willie Hernandez
Careerverified
Per 9 Innings
788
6.79
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
7
7
Willie Hernandez
Career
Per 9 Innings
6.79
6.79
Jeremy Affeldt
Career
Per 9 Innings
0.93
0.93
Willie Hernandez
Careerverified
Per 9 Inningsverified
1.06
1.06
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
1.205
1.205
Willie Hernandez
Career
Per 9 Innings
1.088
1.088
Jeremy Affeldt
Career
Per 9 Innings
55
0.53
Willie Hernandez
Careerverified
Per 9 Inningsverified
37
0.32
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Willie Hernandez
Careerverified
Per 9 Inningsverified
25
0.22
Jeremy Affeldt
Careerverified
Per 9 Innings
9
0.09
Willie Hernandez
Career
Per 9 Innings
10
0.09
Jeremy Affeldt
Career
Per 9 Inningsverified
4034
39.21
Willie Hernandez
Careerverified
Per 9 Innings
4366
37.61
Jeremy Affeldt
Career
Per 9 Innings
162
1.57
Willie Hernandez
Careerverified
Per 9 Inningsverified
419
3.61
Jeremy Affeldt
Career
Per 9 Innings
455
4.42
Willie Hernandez
Careerverified
Per 9 Inningsverified
431
3.71
Jeremy Affeldt
Career
Per 9 Innings
4.42
4.42
Willie Hernandez
Careerverified
Per 9 Inningsverified
3.71
3.71
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
42
0.41
Willie Hernandez
Career
Per 9 Innings
65
0.56
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
25
0.24
Willie Hernandez
Career
Per 9 Innings
36
0.31
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
102
0.99
Willie Hernandez
Career
Per 9 Innings
72
0.62
Jeremy Affeldt
Career
Per 9 Innings
1.404
1.404
Willie Hernandez
Careerverified
Per 9 Inningsverified
1.245
1.245
Jeremy Affeldt
Career
Per 9 Inningsverified
3529
34.3
Willie Hernandez
Careerverified
Per 9 Innings
3891
33.52
Jeremy Affeldt
Career
Per 9 Innings
0.59
0.59
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.58
0.58
Jeremy Affeldt
Career
Per 9 Innings
0.303
0.303
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.284
0.284
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
39.21
39.21
Willie Hernandez
Career
Per 9 Innings
37.61
37.61

Fielding Stats for Jeremy Affeldt and Willie Hernandez

Jeremy Affeldt
Careerverified
Per 9 Inningsverified
14
14
Willie Hernandez
Career
Per 9 Innings
13
13
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
774
7.52
Willie Hernandez
Career
Per 9 Innings
744
6.41
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
42
0.41
Willie Hernandez
Career
Per 9 Innings
11
0.09
Jeremy Affeldt
Career
Per 9 Innings
2778
27
Willie Hernandez
Careerverified
Per 9 Innings
3134
27
Jeremy Affeldt
Career
Per 9 Innings
926
9
Willie Hernandez
Careerverified
Per 9 Innings
1044.2
9
Jeremy Affeldt
Career
Per 9 Innings
45
0.44
Willie Hernandez
Careerverified
Per 9 Inningsverified
58
0.5
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
184
1.79
Willie Hernandez
Career
Per 9 Innings
169
1.46
Jeremy Affeldt
Career
Per 9 Innings
13
0.13
Willie Hernandez
Careerverified
Per 9 Inningsverified
4
0.03
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
242
2.35
Willie Hernandez
Career
Per 9 Innings
231
1.99
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
229
2.23
Willie Hernandez
Career
Per 9 Innings
227
1.96
Jeremy Affeldt
Career
Per 9 Innings
94.63
94.63
Willie Hernandez
Careerverified
Per 9 Inningsverified
98.27
98.27
Jeremy Affeldt
Career
Per 9 Innings
0.296
0.296
Willie Hernandez
Careerverified
Per 9 Inningsverified
0.305
0.305
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
5.43
5.43
Willie Hernandez
Career
Per 9 Innings
1.48
1.48
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
13
0.13
Willie Hernandez
Career
Per 9 Innings
12
0.1
Jeremy Affeldt
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Willie Hernandez
Career
Per 9 Innings
0
0

Hitting Stats for Jeremy Affeldt and Willie Hernandez

Jeremy Affeldt
Careerverified
Per 600 PAverified
14
14
Willie Hernandez
Career
Per 600 PA
13
13
Jeremy Affeldt
Careerverified
Per 600 PAverified
774
24442.11
Willie Hernandez
Career
Per 600 PA
747
6402.86
Jeremy Affeldt
Career
Per 600 PA
19
600
Willie Hernandez
Careerverified
Per 600 PA
70
600
Jeremy Affeldt
Career
Per 600 PA
17
536.84
Willie Hernandez
Careerverified
Per 600 PAverified
63
540
Jeremy Affeldt
Career
Per 600 PA
0.177
0.177
Willie Hernandez
Careerverified
Per 600 PAverified
0.206
0.206
Jeremy Affeldt
Career
Per 600 PA
0.474
0.474
Willie Hernandez
Careerverified
Per 600 PAverified
0.531
0.531
Jeremy Affeldt
Career
Per 600 PA
3
94.74
Willie Hernandez
Careerverified
Per 600 PAverified
13
111.43
Jeremy Affeldt
Career
Per 600 PAverified
3
94.74
Willie Hernandez
Careerverified
Per 600 PA
11
94.29
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.154
0.154
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0.85
26.78
Willie Hernandez
Careerverified
Per 600 PAverified
3.49
29.92
Jeremy Affeldt
Career
Per 600 PA
3
94.74
Willie Hernandez
Careerverified
Per 600 PAverified
15
128.57
Jeremy Affeldt
Career
Per 600 PAverified
5
157.89
Willie Hernandez
Careerverified
Per 600 PA
14
120
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.263
0.263
Willie Hernandez
Career
Per 600 PA
0.219
0.219
Jeremy Affeldt
Career
Per 600 PA
0.177
0.177
Willie Hernandez
Careerverified
Per 600 PAverified
0.238
0.238
Jeremy Affeldt
Career
Per 600 PA
0.44
0.44
Willie Hernandez
Careerverified
Per 600 PAverified
0.457
0.457
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
0.032
0.032
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.163
0.163
Willie Hernandez
Career
Per 600 PA
0.158
0.158
Jeremy Affeldt
Career
Per 600 PA
0.357
0.357
Willie Hernandez
Careerverified
Per 600 PAverified
0.36
0.36
Jeremy Affeldt
Career
Per 600 PA
0.273
0.273
Willie Hernandez
Careerverified
Per 600 PAverified
0.382
0.382
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
4
34.29
Jeremy Affeldt
Career
Per 600 PAverified
2
63.16
Willie Hernandez
Careerverified
Per 600 PA
3
25.71
Jeremy Affeldt
Career
Per 600 PAverified
2
63.16
Willie Hernandez
Careerverified
Per 600 PA
7
60
Jeremy Affeldt
Career
Per 600 PAverified
0.98
30.85
Willie Hernandez
Careerverified
Per 600 PA
3.5
30.01
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Jeremy Affeldt
Careerverified
Per 600 PAverified
2
63.16
Willie Hernandez
Career
Per 600 PA
1
8.57
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Jeremy Affeldt
Careerverified
Per 600 PAverified
6
189.47
Willie Hernandez
Career
Per 600 PA
29
248.57
Jeremy Affeldt
Careerverified
Per 600 PAverified
3.17
3.17
Willie Hernandez
Career
Per 600 PA
2.41
2.41
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.33
0.33
Willie Hernandez
Career
Per 600 PA
0.03
0.03
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
6
51.43
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Willie Hernandez
Careerverified
Per 600 PAverified
2
17.14
Jeremy Affeldt
Career
Per 600 PA
Willie Hernandez
Careerverified
Per 600 PAverified
100
100