Jason Grilli vs. Billy Koch — Career Comparison

Jason Grilli
Gen XMichiganThrows RightBats RightNorth AmericaPittsburgh PiratesNational LeagueRelief PitcherAll-Star
Billy Koch
Gen XNew YorkThrows RightBats RightNorth AmericaToronto Blue JaysAmerican LeagueRelief Pitcher

The numbers give Billy Koch a clear advantage over Jason Grilli across the core pitching metrics. Billy Koch led in home run suppression (HR9+ 118 vs 81), run prevention (ERA+ 106 vs 83), and skill-based run prevention (DICE+ 102 vs 85). Jason Grilli held the edge in walk avoidance (BB%+ 89 vs 80). Billy Koch was the better reliever — the numbers make that case clearly.

Pitching Stats for Jason Grilli and Billy Koch

Jason Grilli
Careerverified
Per 9 Inningsverified
15
15
Billy Koch
Career
Per 9 Innings
6
6
Jason Grilli
Careerverified
Per 9 Innings
595
7.82
Billy Koch
Career
Per 9 Inningsverified
379
8.37
Jason Grilli
Careerverified
Per 9 Inningsverified
16
0.21
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Careerverified
Per 9 Innings
34
0.45
Billy Koch
Career
Per 9 Inningsverified
29
0.64
Jason Grilli
Career
Per 9 Innings
47
0.62
Billy Koch
Careerverified
Per 9 Inningsverified
25
0.55
Jason Grilli
Career
Per 9 Innings
41.98
41.98
Billy Koch
Careerverified
Per 9 Inningsverified
53.7
53.7
Jason Grilli
Careerverified
Per 9 Inningsverified
2.69
2.69
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Careerverified
Per 9 Inningsverified
1
0.01
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
0
0
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
79
1.04
Billy Koch
Careerverified
Per 9 Inningsverified
163
3.6
Jason Grilli
Career
Per 9 Innings
321
4.22
Billy Koch
Careerverified
Per 9 Inningsverified
176
3.89
Jason Grilli
Career
Per 9 Innings
4.22
4.22
Billy Koch
Careerverified
Per 9 Inningsverified
3.89
3.89
Jason Grilli
Career
Per 9 Innings
4.05
4.05
Billy Koch
Careerverified
Per 9 Inningsverified
4.01
4.01
Jason Grilli
Careerverified
Per 9 Inningsverified
3.84
3.84
Billy Koch
Career
Per 9 Innings
4.09
4.09
Jason Grilli
Career
Per 9 Innings
0.248
0.248
Billy Koch
Careerverified
Per 9 Inningsverified
0.247
0.247
Jason Grilli
Careerverified
Per 9 Innings
2054
27
Billy Koch
Career
Per 9 Innings
1222
27
Jason Grilli
Careerverified
Per 9 Innings
684.2
9
Billy Koch
Career
Per 9 Innings
407.1
9
Jason Grilli
Career
Per 9 Innings
644
8.47
Billy Koch
Careerverified
Per 9 Inningsverified
379
8.37
Jason Grilli
Career
Per 9 Innings
8.47
8.47
Billy Koch
Careerverified
Per 9 Inningsverified
8.37
8.37
Jason Grilli
Career
Per 9 Innings
76
1
Billy Koch
Careerverified
Per 9 Inningsverified
41
0.91
Jason Grilli
Career
Per 9 Innings
1
1
Billy Koch
Careerverified
Per 9 Inningsverified
0.91
0.91
Jason Grilli
Career
Per 9 Innings
0.13
0.13
Billy Koch
Careerverified
Per 9 Inningsverified
0.11
0.11
Jason Grilli
Career
Per 9 Inningsverified
292
3.84
Billy Koch
Careerverified
Per 9 Innings
191
4.22
Jason Grilli
Careerverified
Per 9 Inningsverified
26
0.34
Billy Koch
Career
Per 9 Innings
27
0.6
Jason Grilli
Careerverified
Per 9 Inningsverified
3.84
3.84
Billy Koch
Career
Per 9 Innings
4.22
4.22
Jason Grilli
Careerverified
Per 9 Inningsverified
694
9.12
Billy Koch
Career
Per 9 Innings
357
7.89
Jason Grilli
Careerverified
Per 9 Inningsverified
9.12
9.12
Billy Koch
Career
Per 9 Innings
7.89
7.89
Jason Grilli
Careerverified
Per 9 Inningsverified
1.17
1.17
Billy Koch
Career
Per 9 Innings
0.94
0.94
Jason Grilli
Careerverified
Per 9 Inningsverified
1.44
1.44
Billy Koch
Career
Per 9 Innings
1.345
1.345
Jason Grilli
Career
Per 9 Inningsverified
29
0.38
Billy Koch
Careerverified
Per 9 Innings
19
0.42
Jason Grilli
Career
Per 9 Innings
34
0.45
Billy Koch
Careerverified
Per 9 Inningsverified
18
0.4
Jason Grilli
Career
Per 9 Innings
0
0
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Careerverified
Per 9 Innings
2969
39.03
Billy Koch
Career
Per 9 Inningsverified
1777
39.26
Jason Grilli
Career
Per 9 Innings
199
2.62
Billy Koch
Careerverified
Per 9 Inningsverified
325
7.18
Jason Grilli
Career
Per 9 Innings
339
4.46
Billy Koch
Careerverified
Per 9 Inningsverified
192
4.24
Jason Grilli
Career
Per 9 Innings
4.46
4.46
Billy Koch
Careerverified
Per 9 Inningsverified
4.24
4.24
Jason Grilli
Careerverified
Per 9 Inningsverified
21
0.28
Billy Koch
Career
Per 9 Innings
22
0.49
Jason Grilli
Career
Per 9 Innings
23
0.3
Billy Koch
Careerverified
Per 9 Inningsverified
12
0.27
Jason Grilli
Careerverified
Per 9 Innings
47
0.62
Billy Koch
Career
Per 9 Inningsverified
34
0.75
Jason Grilli
Careerverified
Per 9 Inningsverified
1.367
1.367
Billy Koch
Career
Per 9 Innings
1.399
1.399
Jason Grilli
Careerverified
Per 9 Inningsverified
2599
34.16
Billy Koch
Career
Per 9 Innings
1534
33.89
Jason Grilli
Career
Per 9 Innings
0.57
0.57
Billy Koch
Careerverified
Per 9 Inningsverified
0.51
0.51
Jason Grilli
Career
Per 9 Innings
0.311
0.311
Billy Koch
Careerverified
Per 9 Inningsverified
0.298
0.298
Jason Grilli
Career
Per 9 Innings
39.03
39.03
Billy Koch
Careerverified
Per 9 Inningsverified
39.26
39.26

Fielding Stats for Jason Grilli and Billy Koch

Jason Grilli
Careerverified
Per 9 Inningsverified
15
15
Billy Koch
Career
Per 9 Innings
6
6
Jason Grilli
Careerverified
Per 9 Innings
595
7.82
Billy Koch
Career
Per 9 Inningsverified
379
8.37
Jason Grilli
Careerverified
Per 9 Inningsverified
16
0.21
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Careerverified
Per 9 Innings
2054
27
Billy Koch
Career
Per 9 Innings
1222
27
Jason Grilli
Careerverified
Per 9 Innings
684.2
9
Billy Koch
Career
Per 9 Innings
407.1
9
Jason Grilli
Career
Per 9 Innings
29
0.38
Billy Koch
Careerverified
Per 9 Inningsverified
35
0.77
Jason Grilli
Careerverified
Per 9 Inningsverified
79
1.04
Billy Koch
Career
Per 9 Innings
43
0.95
Jason Grilli
Career
Per 9 Innings
8
0.11
Billy Koch
Careerverified
Per 9 Inningsverified
2
0.04
Jason Grilli
Careerverified
Per 9 Innings
116
1.52
Billy Koch
Career
Per 9 Inningsverified
80
1.77
Jason Grilli
Careerverified
Per 9 Innings
108
1.42
Billy Koch
Career
Per 9 Inningsverified
78
1.72
Jason Grilli
Career
Per 9 Innings
93.1
93.1
Billy Koch
Careerverified
Per 9 Inningsverified
97.5
97.5
Jason Grilli
Career
Per 9 Innings
0.182
0.182
Billy Koch
Careerverified
Per 9 Inningsverified
0.206
0.206
Jason Grilli
Careerverified
Per 9 Inningsverified
2.69
2.69
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
6
0.08
Billy Koch
Careerverified
Per 9 Inningsverified
7
0.15
Jason Grilli
Career
Per 9 Innings
0
0
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
0
0
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
0
0
Billy Koch
Career
Per 9 Innings
0
0
Jason Grilli
Career
Per 9 Innings
0
0
Billy Koch
Career
Per 9 Innings
0
0

Hitting Stats for Jason Grilli and Billy Koch

Jason Grilli
Careerverified
Per 600 PAverified
15
15
Billy Koch
Career
Per 600 PA
6
6
Jason Grilli
Careerverified
Per 600 PA
595
19833.33
Billy Koch
Career
Per 600 PAverified
379
113700
Jason Grilli
Careerverified
Per 600 PA
18
600
Billy Koch
Career
Per 600 PA
2
600
Jason Grilli
Careerverified
Per 600 PA
15
500
Billy Koch
Career
Per 600 PAverified
2
600
Jason Grilli
Careerverified
Per 600 PAverified
0.2
0.2
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.667
0.667
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
2
66.67
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
1
33.33
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
1
33.33
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.333
0.333
Billy Koch
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
0.067
0.067
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.333
0.333
Billy Koch
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
1.37
45.73
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
6
200
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.2
0.2
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.4
0.4
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.6
0.6
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.2
0.2
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.19
0.19
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.462
0.462
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.182
0.182
Billy Koch
Career
Per 600 PA
Jason Grilli
Careerverified
Per 600 PAverified
1
33.33
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
0.98
32.78
Billy Koch
Career
Per 600 PA
-0.22
-66.4
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PAverified
3
100
Billy Koch
Careerverified
Per 600 PA
2
600
Jason Grilli
Careerverified
Per 600 PAverified
6
6
Billy Koch
Career
Per 600 PA
1
1
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Careerverified
Per 600 PAverified
3
100
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
1
33.33
Billy Koch
Careerverified
Per 600 PAverified
0
0
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
0
0
Billy Koch
Career
Per 600 PA
0
0
Jason Grilli
Career
Per 600 PA
Billy Koch
Career
Per 600 PA