Jason Grilli vs. Mickey Haefner — Career Comparison

Jason Grilli
Gen XMichiganThrows RightBats RightNorth AmericaPittsburgh PiratesNational LeagueRelief PitcherAll-Star
Mickey Haefner
Greatest GenerationIllinoisThrows LeftBats LeftNorth AmericaWashington SenatorsAmerican LeagueStarting Pitcher

Mickey Haefner built a career as a starting pitcher and Jason Grilli as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mickey Haefner posted stronger surface numbers — ERA 3.5 and WHIP 1.358 compared to 4.22 and 1.405 for Jason Grilli. By the career numbers, Mickey Haefner had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jason Grilli and Mickey Haefner

Jason Grilli
Careerverified
Per 9 Inningsverified
15
15
Mickey Haefner
Career
Per 9 Innings
8
8
Jason Grilli
Careerverified
Per 9 Inningsverified
595
7.82
Mickey Haefner
Career
Per 9 Innings
261
1.6
Jason Grilli
Career
Per 9 Innings
16
0.21
Mickey Haefner
Careerverified
Per 9 Inningsverified
179
1.1
Jason Grilli
Career
Per 9 Innings
34
0.45
Mickey Haefner
Careerverified
Per 9 Inningsverified
78
0.48
Jason Grilli
Careerverified
Per 9 Innings
47
0.62
Mickey Haefner
Career
Per 9 Inningsverified
91
0.56
Jason Grilli
Career
Per 9 Innings
41.98
41.98
Mickey Haefner
Careerverified
Per 9 Inningsverified
46.15
46.15
Jason Grilli
Career
Per 9 Innings
2.69
2.69
Mickey Haefner
Careerverified
Per 9 Inningsverified
68.58
68.58
Jason Grilli
Career
Per 9 Innings
1
0.01
Mickey Haefner
Careerverified
Per 9 Inningsverified
91
0.56
Jason Grilli
Career
Per 9 Innings
0
0
Mickey Haefner
Careerverified
Per 9 Inningsverified
13
0.08
Jason Grilli
Careerverified
Per 9 Inningsverified
79
1.04
Mickey Haefner
Career
Per 9 Innings
13
0.08
Jason Grilli
Careerverified
Per 9 Innings
321
4.22
Mickey Haefner
Career
Per 9 Inningsverified
571
3.5
Jason Grilli
Career
Per 9 Innings
4.22
4.22
Mickey Haefner
Careerverified
Per 9 Inningsverified
3.5
3.5
Jason Grilli
Career
Per 9 Innings
4.05
4.05
Mickey Haefner
Careerverified
Per 9 Inningsverified
3.6
3.6
Jason Grilli
Careerverified
Per 9 Inningsverified
3.84
3.84
Mickey Haefner
Career
Per 9 Innings
4.24
4.24
Jason Grilli
Career
Per 9 Innings
0.248
0.248
Mickey Haefner
Career
Per 9 Innings
0.248
0.248
Jason Grilli
Career
Per 9 Innings
2054
27
Mickey Haefner
Careerverified
Per 9 Innings
4400
27
Jason Grilli
Career
Per 9 Innings
684.2
9
Mickey Haefner
Careerverified
Per 9 Innings
1466.2
9
Jason Grilli
Careerverified
Per 9 Inningsverified
644
8.47
Mickey Haefner
Career
Per 9 Innings
1414
8.68
Jason Grilli
Careerverified
Per 9 Inningsverified
8.47
8.47
Mickey Haefner
Career
Per 9 Innings
8.68
8.68
Jason Grilli
Career
Per 9 Innings
76
1
Mickey Haefner
Career
Per 9 Inningsverified
76
0.47
Jason Grilli
Career
Per 9 Innings
1
1
Mickey Haefner
Careerverified
Per 9 Inningsverified
0.47
0.47
Jason Grilli
Careerverified
Per 9 Inningsverified
0.13
0.13
Mickey Haefner
Career
Per 9 Innings
0.29
0.29
Jason Grilli
Careerverified
Per 9 Innings
292
3.84
Mickey Haefner
Career
Per 9 Inningsverified
577
3.54
Jason Grilli
Career
Per 9 Innings
26
0.34
Mickey Haefner
Careerverified
Per 9 Inningsverified
0
0
Jason Grilli
Career
Per 9 Innings
3.84
3.84
Mickey Haefner
Careerverified
Per 9 Inningsverified
3.54
3.54
Jason Grilli
Careerverified
Per 9 Inningsverified
694
9.12
Mickey Haefner
Career
Per 9 Innings
508
3.12
Jason Grilli
Careerverified
Per 9 Inningsverified
9.12
9.12
Mickey Haefner
Career
Per 9 Innings
3.12
3.12
Jason Grilli
Career
Per 9 Innings
1.17
1.17
Mickey Haefner
Careerverified
Per 9 Inningsverified
1.95
1.95
Jason Grilli
Careerverified
Per 9 Inningsverified
1.44
1.44
Mickey Haefner
Career
Per 9 Innings
0.74
0.74
Jason Grilli
Career
Per 9 Innings
29
0.38
Mickey Haefner
Careerverified
Per 9 Inningsverified
19
0.12
Jason Grilli
Careerverified
Per 9 Innings
34
0.45
Mickey Haefner
Career
Per 9 Inningsverified
39
0.24
Jason Grilli
Careerverified
Per 9 Inningsverified
0
0
Mickey Haefner
Career
Per 9 Innings
3
0.02
Jason Grilli
Career
Per 9 Inningsverified
2969
39.03
Mickey Haefner
Careerverified
Per 9 Innings
6322
38.79
Jason Grilli
Careerverified
Per 9 Inningsverified
199
2.62
Mickey Haefner
Career
Per 9 Innings
48
0.29
Jason Grilli
Careerverified
Per 9 Innings
339
4.46
Mickey Haefner
Career
Per 9 Inningsverified
666
4.09
Jason Grilli
Career
Per 9 Innings
4.46
4.46
Mickey Haefner
Careerverified
Per 9 Inningsverified
4.09
4.09
Jason Grilli
Career
Per 9 Innings
21
0.28
Mickey Haefner
Careerverified
Per 9 Inningsverified
0
0
Jason Grilli
Career
Per 9 Innings
23
0.3
Mickey Haefner
Careerverified
Per 9 Inningsverified
0
0
Jason Grilli
Careerverified
Per 9 Inningsverified
47
0.62
Mickey Haefner
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
1.367
1.367
Mickey Haefner
Careerverified
Per 9 Inningsverified
1.358
1.358
Jason Grilli
Career
Per 9 Innings
2599
34.16
Mickey Haefner
Careerverified
Per 9 Inningsverified
5706
35.01
Jason Grilli
Careerverified
Per 9 Inningsverified
0.57
0.57
Mickey Haefner
Career
Per 9 Innings
2.55
2.55
Jason Grilli
Career
Per 9 Innings
0.311
0.311
Mickey Haefner
Careerverified
Per 9 Inningsverified
0.261
0.261
Jason Grilli
Careerverified
Per 9 Inningsverified
39.03
39.03
Mickey Haefner
Career
Per 9 Innings
38.79
38.79

Fielding Stats for Jason Grilli and Mickey Haefner

Jason Grilli
Careerverified
Per 9 Inningsverified
15
15
Mickey Haefner
Career
Per 9 Innings
8
Jason Grilli
Careerverified
Per 9 Inningsverified
595
7.82
Mickey Haefner
Career
Per 9 Innings
261
Jason Grilli
Careerverified
Per 9 Inningsverified
16
0.21
Mickey Haefner
Career
Per 9 Innings
0
Jason Grilli
Careerverified
Per 9 Inningsverified
2054
27
Mickey Haefner
Career
Per 9 Innings
0
Jason Grilli
Careerverified
Per 9 Inningsverified
684.2
9
Mickey Haefner
Career
Per 9 Innings
0
Jason Grilli
Career
Per 9 Inningsverified
29
0.38
Mickey Haefner
Careerverified
Per 9 Innings
53
Jason Grilli
Career
Per 9 Inningsverified
79
1.04
Mickey Haefner
Careerverified
Per 9 Innings
287
Jason Grilli
Careerverified
Per 9 Innings
8
0.11
Mickey Haefner
Career
Per 9 Inningsverified
11
Jason Grilli
Career
Per 9 Inningsverified
116
1.52
Mickey Haefner
Careerverified
Per 9 Innings
351
Jason Grilli
Career
Per 9 Inningsverified
108
1.42
Mickey Haefner
Careerverified
Per 9 Innings
340
Jason Grilli
Career
Per 9 Inningsverified
93.1
93.1
Mickey Haefner
Careerverified
Per 9 Innings
96.87
Jason Grilli
Career
Per 9 Inningsverified
0.182
0.182
Mickey Haefner
Careerverified
Per 9 Innings
1.303
Jason Grilli
Careerverified
Per 9 Inningsverified
2.69
2.69
Mickey Haefner
Career
Per 9 Innings
0
Jason Grilli
Career
Per 9 Inningsverified
6
0.08
Mickey Haefner
Careerverified
Per 9 Innings
22
Jason Grilli
Career
Per 9 Innings
0
0
Mickey Haefner
Career
Per 9 Innings
0
Jason Grilli
Career
Per 9 Innings
0
0
Mickey Haefner
Career
Per 9 Innings
0
Jason Grilli
Career
Per 9 Innings
0
0
Mickey Haefner
Career
Per 9 Innings
0
Jason Grilli
Career
Per 9 Innings
0
0
Mickey Haefner
Career
Per 9 Innings
0

Hitting Stats for Jason Grilli and Mickey Haefner

Jason Grilli
Careerverified
Per 600 PAverified
15
15
Mickey Haefner
Career
Per 600 PA
8
8
Jason Grilli
Careerverified
Per 600 PAverified
595
19833.33
Mickey Haefner
Career
Per 600 PA
262
291.11
Jason Grilli
Career
Per 600 PA
18
600
Mickey Haefner
Careerverified
Per 600 PA
540
600
Jason Grilli
Career
Per 600 PAverified
15
500
Mickey Haefner
Careerverified
Per 600 PA
448
497.78
Jason Grilli
Careerverified
Per 600 PAverified
0.2
0.2
Mickey Haefner
Career
Per 600 PA
0.188
0.188
Jason Grilli
Careerverified
Per 600 PAverified
0.667
0.667
Mickey Haefner
Career
Per 600 PA
0.548
0.548
Jason Grilli
Career
Per 600 PAverified
3
100
Mickey Haefner
Careerverified
Per 600 PA
84
93.33
Jason Grilli
Career
Per 600 PA
2
66.67
Mickey Haefner
Careerverified
Per 600 PAverified
74
82.22
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Careerverified
Per 600 PAverified
9
10
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Careerverified
Per 600 PAverified
1
1.11
Jason Grilli
Careerverified
Per 600 PAverified
1
33.33
Mickey Haefner
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PAverified
1
33.33
Mickey Haefner
Careerverified
Per 600 PA
10
11.11
Jason Grilli
Careerverified
Per 600 PAverified
0.333
0.333
Mickey Haefner
Career
Per 600 PA
0.119
0.119
Jason Grilli
Careerverified
Per 600 PAverified
0.067
0.067
Mickey Haefner
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.333
0.333
Mickey Haefner
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PAverified
1.37
45.73
Mickey Haefner
Careerverified
Per 600 PA
24.01
26.67
Jason Grilli
Career
Per 600 PAverified
6
200
Mickey Haefner
Careerverified
Per 600 PA
95
105.56
Jason Grilli
Career
Per 600 PA
3
100
Mickey Haefner
Careerverified
Per 600 PAverified
134
148.89
Jason Grilli
Career
Per 600 PA
0.2
0.2
Mickey Haefner
Careerverified
Per 600 PAverified
0.269
0.269
Jason Grilli
Careerverified
Per 600 PAverified
0.4
0.4
Mickey Haefner
Career
Per 600 PA
0.212
0.212
Jason Grilli
Careerverified
Per 600 PAverified
0.6
0.6
Mickey Haefner
Career
Per 600 PA
0.481
0.481
Jason Grilli
Careerverified
Per 600 PAverified
0.2
0.2
Mickey Haefner
Career
Per 600 PA
0.025
0.025
Jason Grilli
Careerverified
Per 600 PAverified
0.19
0.19
Mickey Haefner
Career
Per 600 PA
0.174
0.174
Jason Grilli
Careerverified
Per 600 PAverified
0.462
0.462
Mickey Haefner
Career
Per 600 PA
0.384
0.384
Jason Grilli
Career
Per 600 PA
0.182
0.182
Mickey Haefner
Careerverified
Per 600 PAverified
0.228
0.228
Jason Grilli
Career
Per 600 PAverified
1
33.33
Mickey Haefner
Careerverified
Per 600 PA
28
31.11
Jason Grilli
Career
Per 600 PAverified
3
100
Mickey Haefner
Careerverified
Per 600 PA
24
26.67
Jason Grilli
Career
Per 600 PAverified
3
100
Mickey Haefner
Careerverified
Per 600 PA
52
57.78
Jason Grilli
Career
Per 600 PAverified
0.98
32.78
Mickey Haefner
Careerverified
Per 600 PA
27.58
30.64
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Careerverified
Per 600 PAverified
50
55.56
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PA
3
100
Mickey Haefner
Career
Per 600 PAverified
80
88.89
Jason Grilli
Career
Per 600 PA
6
6
Mickey Haefner
Careerverified
Per 600 PAverified
6.75
6.75
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Careerverified
Per 600 PAverified
0.63
0.63
Jason Grilli
Career
Per 600 PAverified
3
100
Mickey Haefner
Careerverified
Per 600 PA
42
46.67
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PA
1
33.33
Mickey Haefner
Career
Per 600 PAverified
14
15.56
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Mickey Haefner
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
Mickey Haefner
Career
Per 600 PA