Jason Grilli vs. Zack Kelly — Career Comparison

Jason Grilli
Gen XMichiganThrows RightBats RightNorth AmericaPittsburgh PiratesNational LeagueRelief PitcherAll-Star
Zack Kelly
MillenialVirginiaThrows RightBats RightNorth AmericaBoston Red SoxAmerican LeagueRelief Pitcher

The numbers give Zack Kelly a clear advantage over Jason Grilli across the core pitching metrics. Zack Kelly led in home run suppression (HR9+ 102 vs 81), skill-based run prevention (DICE+ 97 vs 85), and walk avoidance (BB%+ 101 vs 89). Zack Kelly was the better reliever — the numbers make that case clearly.

Pitching Stats for Jason Grilli and Zack Kelly

Jason Grilli
Careerverified
Per 9 Inningsverified
15
15
Zack Kelly
Career
Per 9 Innings
4
4
Jason Grilli
Careerverified
Per 9 Inningsverified
595
7.82
Zack Kelly
Career
Per 9 Innings
98
7.67
Jason Grilli
Careerverified
Per 9 Innings
16
0.21
Zack Kelly
Career
Per 9 Inningsverified
3
0.23
Jason Grilli
Careerverified
Per 9 Innings
34
0.45
Zack Kelly
Career
Per 9 Inningsverified
8
0.63
Jason Grilli
Career
Per 9 Innings
47
0.62
Zack Kelly
Careerverified
Per 9 Inningsverified
6
0.47
Jason Grilli
Career
Per 9 Innings
41.98
41.98
Zack Kelly
Careerverified
Per 9 Inningsverified
57.14
57.14
Jason Grilli
Career
Per 9 Innings
2.69
2.69
Zack Kelly
Careerverified
Per 9 Inningsverified
3.06
3.06
Jason Grilli
Careerverified
Per 9 Inningsverified
1
0.01
Zack Kelly
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
0
0
Zack Kelly
Career
Per 9 Innings
0
0
Jason Grilli
Careerverified
Per 9 Inningsverified
79
1.04
Zack Kelly
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
321
4.22
Zack Kelly
Careerverified
Per 9 Inningsverified
53
4.15
Jason Grilli
Career
Per 9 Innings
4.22
4.22
Zack Kelly
Careerverified
Per 9 Inningsverified
4.15
4.15
Jason Grilli
Career
Per 9 Innings
4.05
4.05
Zack Kelly
Careerverified
Per 9 Inningsverified
3.9
3.9
Jason Grilli
Careerverified
Per 9 Inningsverified
3.84
3.84
Zack Kelly
Career
Per 9 Innings
4.24
4.24
Jason Grilli
Career
Per 9 Innings
0.248
0.248
Zack Kelly
Careerverified
Per 9 Inningsverified
0.231
0.231
Jason Grilli
Careerverified
Per 9 Innings
2054
27
Zack Kelly
Career
Per 9 Innings
345
27
Jason Grilli
Careerverified
Per 9 Innings
684.2
9
Zack Kelly
Career
Per 9 Innings
115
9
Jason Grilli
Career
Per 9 Innings
644
8.47
Zack Kelly
Careerverified
Per 9 Inningsverified
100
7.83
Jason Grilli
Career
Per 9 Innings
8.47
8.47
Zack Kelly
Careerverified
Per 9 Inningsverified
7.83
7.83
Jason Grilli
Career
Per 9 Inningsverified
76
1
Zack Kelly
Careerverified
Per 9 Innings
15
1.17
Jason Grilli
Careerverified
Per 9 Inningsverified
1
1
Zack Kelly
Career
Per 9 Innings
1.17
1.17
Jason Grilli
Careerverified
Per 9 Inningsverified
0.13
0.13
Zack Kelly
Career
Per 9 Innings
0.15
0.15
Jason Grilli
Career
Per 9 Inningsverified
292
3.84
Zack Kelly
Careerverified
Per 9 Innings
51
3.99
Jason Grilli
Career
Per 9 Innings
26
0.34
Zack Kelly
Careerverified
Per 9 Inningsverified
4
0.31
Jason Grilli
Careerverified
Per 9 Inningsverified
3.84
3.84
Zack Kelly
Career
Per 9 Innings
3.99
3.99
Jason Grilli
Careerverified
Per 9 Inningsverified
694
9.12
Zack Kelly
Career
Per 9 Innings
113
8.84
Jason Grilli
Careerverified
Per 9 Inningsverified
9.12
9.12
Zack Kelly
Career
Per 9 Innings
8.84
8.84
Jason Grilli
Careerverified
Per 9 Inningsverified
1.17
1.17
Zack Kelly
Career
Per 9 Innings
1.15
1.15
Jason Grilli
Careerverified
Per 9 Inningsverified
1.44
1.44
Zack Kelly
Career
Per 9 Innings
1.426
1.426
Jason Grilli
Career
Per 9 Innings
29
0.38
Zack Kelly
Careerverified
Per 9 Inningsverified
4
0.31
Jason Grilli
Career
Per 9 Inningsverified
34
0.45
Zack Kelly
Careerverified
Per 9 Innings
7
0.55
Jason Grilli
Careerverified
Per 9 Inningsverified
0
0
Zack Kelly
Career
Per 9 Innings
1
0.08
Jason Grilli
Careerverified
Per 9 Inningsverified
2969
39.03
Zack Kelly
Career
Per 9 Innings
495
38.74
Jason Grilli
Careerverified
Per 9 Inningsverified
199
2.62
Zack Kelly
Career
Per 9 Innings
17
1.33
Jason Grilli
Career
Per 9 Inningsverified
339
4.46
Zack Kelly
Careerverified
Per 9 Innings
62
4.85
Jason Grilli
Careerverified
Per 9 Inningsverified
4.46
4.46
Zack Kelly
Career
Per 9 Innings
4.85
4.85
Jason Grilli
Career
Per 9 Innings
21
0.28
Zack Kelly
Careerverified
Per 9 Inningsverified
2
0.16
Jason Grilli
Career
Per 9 Innings
23
0.3
Zack Kelly
Careerverified
Per 9 Inningsverified
2
0.16
Jason Grilli
Careerverified
Per 9 Inningsverified
47
0.62
Zack Kelly
Career
Per 9 Innings
5
0.39
Jason Grilli
Career
Per 9 Innings
1.367
1.367
Zack Kelly
Careerverified
Per 9 Inningsverified
1.313
1.313
Jason Grilli
Careerverified
Per 9 Inningsverified
2599
34.16
Zack Kelly
Career
Per 9 Innings
433
33.89
Jason Grilli
Careerverified
Per 9 Inningsverified
0.57
0.57
Zack Kelly
Career
Per 9 Innings
0.63
0.63
Jason Grilli
Career
Per 9 Innings
0.311
0.311
Zack Kelly
Careerverified
Per 9 Inningsverified
0.279
0.279
Jason Grilli
Careerverified
Per 9 Inningsverified
39.03
39.03
Zack Kelly
Career
Per 9 Innings
38.74
38.74

Fielding Stats for Jason Grilli and Zack Kelly

Jason Grilli
Careerverified
Per 9 Inningsverified
15
15
Zack Kelly
Career
Per 9 Innings
4
4
Jason Grilli
Careerverified
Per 9 Inningsverified
595
7.82
Zack Kelly
Career
Per 9 Innings
98
7.67
Jason Grilli
Careerverified
Per 9 Innings
16
0.21
Zack Kelly
Career
Per 9 Inningsverified
3
0.23
Jason Grilli
Careerverified
Per 9 Innings
2054
27
Zack Kelly
Career
Per 9 Innings
345
27
Jason Grilli
Careerverified
Per 9 Innings
684.2
9
Zack Kelly
Career
Per 9 Innings
115
9
Jason Grilli
Careerverified
Per 9 Innings
29
0.38
Zack Kelly
Career
Per 9 Inningsverified
14
1.1
Jason Grilli
Careerverified
Per 9 Innings
79
1.04
Zack Kelly
Career
Per 9 Inningsverified
14
1.1
Jason Grilli
Career
Per 9 Innings
8
0.11
Zack Kelly
Careerverified
Per 9 Inningsverified
1
0.08
Jason Grilli
Careerverified
Per 9 Innings
116
1.52
Zack Kelly
Career
Per 9 Inningsverified
29
2.27
Jason Grilli
Careerverified
Per 9 Innings
108
1.42
Zack Kelly
Career
Per 9 Inningsverified
28
2.19
Jason Grilli
Career
Per 9 Innings
93.1
93.1
Zack Kelly
Careerverified
Per 9 Inningsverified
96.55
96.55
Jason Grilli
Career
Per 9 Innings
0.182
0.182
Zack Kelly
Careerverified
Per 9 Inningsverified
0.286
0.286
Jason Grilli
Career
Per 9 Innings
2.69
2.69
Zack Kelly
Careerverified
Per 9 Inningsverified
3.06
3.06
Jason Grilli
Careerverified
Per 9 Innings
6
0.08
Zack Kelly
Career
Per 9 Innings
1
0.08
Jason Grilli
Career
Per 9 Innings
0
0
Zack Kelly
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
0
0
Zack Kelly
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
0
0
Zack Kelly
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
0
0
Zack Kelly
Career
Per 9 Innings
0
0

Hitting Stats for Jason Grilli and Zack Kelly

Jason Grilli
Careerverified
Per 600 PAverified
15
15
Zack Kelly
Career
Per 600 PA
4
Jason Grilli
Careerverified
Per 600 PAverified
595
19833.33
Zack Kelly
Career
Per 600 PA
98
Jason Grilli
Careerverified
Per 600 PAverified
18
600
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
15
500
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
0.2
0.2
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.667
0.667
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
2
66.67
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
1
33.33
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
1
33.33
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
0.333
0.333
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.067
0.067
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.333
0.333
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
1.37
45.73
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
6
200
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
0.2
0.2
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.4
0.4
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.6
0.6
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.2
0.2
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.19
0.19
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.462
0.462
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.182
0.182
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
1
33.33
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Careerverified
Per 600 PAverified
0.98
32.78
Zack Kelly
Career
Per 600 PA
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
3
100
Zack Kelly
Careerverified
Per 600 PAverified
0
Jason Grilli
Careerverified
Per 600 PAverified
6
6
Zack Kelly
Career
Per 600 PA
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
1
33.33
Zack Kelly
Careerverified
Per 600 PAverified
0
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
0
0
Zack Kelly
Career
Per 600 PA
0
Jason Grilli
Career
Per 600 PA
Zack Kelly
Career
Per 600 PA