Grant Jackson vs. Willis Roberts — Career Comparison

Grant Jackson
Silent GenerationOhioThrows LeftBats SwitchNorth AmericaPittsburgh PiratesNational LeagueRelief PitcherAll-Star
Willis Roberts
Gen XD.R.Throws RightBats RightCaribbeanBaltimore OriolesAmerican LeagueRelief Pitcher

The numbers give Willis Roberts a clear advantage over Grant Jackson across the core pitching metrics. Willis Roberts led in home run suppression (HR9+ 113 vs 71), skill-based run prevention (DICE+ 94 vs 84), and strikeout rate (K%+ 87 vs 79). Willis Roberts was the better reliever — the numbers make that case clearly.

Pitching Stats for Grant Jackson and Willis Roberts

Grant Jackson
Careerverified
Per 9 Inningsverified
18
18
Willis Roberts
Career
Per 9 Innings
5
5
Grant Jackson
Careerverified
Per 9 Innings
692
4.58
Willis Roberts
Career
Per 9 Inningsverified
148
5.13
Grant Jackson
Careerverified
Per 9 Innings
83
0.55
Willis Roberts
Career
Per 9 Inningsverified
18
0.62
Grant Jackson
Careerverified
Per 9 Innings
86
0.57
Willis Roberts
Career
Per 9 Inningsverified
17
0.59
Grant Jackson
Career
Per 9 Inningsverified
75
0.5
Willis Roberts
Careerverified
Per 9 Innings
15
0.52
Grant Jackson
Careerverified
Per 9 Inningsverified
53.42
53.42
Willis Roberts
Career
Per 9 Innings
53.13
53.13
Grant Jackson
Career
Per 9 Innings
11.99
11.99
Willis Roberts
Careerverified
Per 9 Inningsverified
12.16
12.16
Grant Jackson
Careerverified
Per 9 Inningsverified
16
0.11
Willis Roberts
Career
Per 9 Innings
1
0.03
Grant Jackson
Careerverified
Per 9 Inningsverified
5
0.03
Willis Roberts
Career
Per 9 Innings
0
0
Grant Jackson
Careerverified
Per 9 Inningsverified
79
0.52
Willis Roberts
Career
Per 9 Innings
7
0.24
Grant Jackson
Career
Per 9 Inningsverified
523
3.46
Willis Roberts
Careerverified
Per 9 Innings
134
4.64
Grant Jackson
Careerverified
Per 9 Inningsverified
3.46
3.46
Willis Roberts
Career
Per 9 Innings
4.64
4.64
Grant Jackson
Careerverified
Per 9 Inningsverified
3.48
3.48
Willis Roberts
Career
Per 9 Innings
4.97
4.97
Grant Jackson
Careerverified
Per 9 Inningsverified
3.91
3.91
Willis Roberts
Career
Per 9 Innings
4.56
4.56
Grant Jackson
Careerverified
Per 9 Inningsverified
0.249
0.249
Willis Roberts
Career
Per 9 Innings
0.274
0.274
Grant Jackson
Careerverified
Per 9 Innings
4076
27
Willis Roberts
Career
Per 9 Innings
779
27
Grant Jackson
Careerverified
Per 9 Innings
1358.2
9
Willis Roberts
Career
Per 9 Innings
259.2
9
Grant Jackson
Career
Per 9 Inningsverified
1272
8.43
Willis Roberts
Careerverified
Per 9 Innings
277
9.6
Grant Jackson
Careerverified
Per 9 Inningsverified
8.43
8.43
Willis Roberts
Career
Per 9 Innings
9.6
9.6
Grant Jackson
Career
Per 9 Inningsverified
109
0.72
Willis Roberts
Careerverified
Per 9 Innings
27
0.94
Grant Jackson
Careerverified
Per 9 Inningsverified
0.72
0.72
Willis Roberts
Career
Per 9 Innings
0.94
0.94
Grant Jackson
Careerverified
Per 9 Inningsverified
0.16
0.16
Willis Roberts
Career
Per 9 Innings
0.18
0.18
Grant Jackson
Career
Per 9 Inningsverified
511
3.38
Willis Roberts
Careerverified
Per 9 Innings
112
3.88
Grant Jackson
Career
Per 9 Innings
71
0.47
Willis Roberts
Careerverified
Per 9 Inningsverified
6
0.21
Grant Jackson
Careerverified
Per 9 Inningsverified
3.38
3.38
Willis Roberts
Career
Per 9 Innings
3.88
3.88
Grant Jackson
Careerverified
Per 9 Innings
889
5.89
Willis Roberts
Career
Per 9 Inningsverified
179
6.2
Grant Jackson
Career
Per 9 Innings
5.89
5.89
Willis Roberts
Careerverified
Per 9 Inningsverified
6.2
6.2
Grant Jackson
Careerverified
Per 9 Inningsverified
1.28
1.28
Willis Roberts
Career
Per 9 Innings
1.21
1.21
Grant Jackson
Career
Per 9 Innings
1.03
1.03
Willis Roberts
Careerverified
Per 9 Inningsverified
1.121
1.121
Grant Jackson
Career
Per 9 Inningsverified
44
0.29
Willis Roberts
Careerverified
Per 9 Innings
13
0.45
Grant Jackson
Careerverified
Per 9 Inningsverified
21
0.14
Willis Roberts
Career
Per 9 Innings
25
0.87
Grant Jackson
Career
Per 9 Inningsverified
9
0.06
Willis Roberts
Careerverified
Per 9 Innings
2
0.07
Grant Jackson
Careerverified
Per 9 Innings
5749
38.08
Willis Roberts
Career
Per 9 Inningsverified
1165
40.38
Grant Jackson
Careerverified
Per 9 Inningsverified
291
1.93
Willis Roberts
Career
Per 9 Innings
54
1.87
Grant Jackson
Career
Per 9 Inningsverified
589
3.9
Willis Roberts
Careerverified
Per 9 Innings
146
5.06
Grant Jackson
Careerverified
Per 9 Inningsverified
3.9
3.9
Willis Roberts
Career
Per 9 Innings
5.06
5.06
Grant Jackson
Career
Per 9 Innings
62
0.41
Willis Roberts
Careerverified
Per 9 Inningsverified
7
0.24
Grant Jackson
Career
Per 9 Inningsverified
43
0.28
Willis Roberts
Careerverified
Per 9 Innings
11
0.38
Grant Jackson
Careerverified
Per 9 Innings
52
0.34
Willis Roberts
Career
Per 9 Inningsverified
21
0.73
Grant Jackson
Careerverified
Per 9 Inningsverified
1.312
1.312
Willis Roberts
Career
Per 9 Innings
1.498
1.498
Grant Jackson
Careerverified
Per 9 Innings
5112
33.86
Willis Roberts
Career
Per 9 Inningsverified
1010
35.01
Grant Jackson
Careerverified
Per 9 Inningsverified
0.85
0.85
Willis Roberts
Career
Per 9 Innings
0.99
0.99
Grant Jackson
Careerverified
Per 9 Inningsverified
0.283
0.283
Willis Roberts
Career
Per 9 Innings
0.311
0.311
Grant Jackson
Career
Per 9 Innings
38.08
38.08
Willis Roberts
Careerverified
Per 9 Inningsverified
40.38
40.38

Fielding Stats for Grant Jackson and Willis Roberts

Grant Jackson
Careerverified
Per 9 Inningsverified
18
18
Willis Roberts
Career
Per 9 Innings
5
5
Grant Jackson
Careerverified
Per 9 Innings
692
4.58
Willis Roberts
Career
Per 9 Inningsverified
148
5.13
Grant Jackson
Careerverified
Per 9 Innings
83
0.55
Willis Roberts
Career
Per 9 Inningsverified
18
0.62
Grant Jackson
Careerverified
Per 9 Innings
4078
27
Willis Roberts
Career
Per 9 Innings
779
27
Grant Jackson
Careerverified
Per 9 Innings
1359.1
9
Willis Roberts
Career
Per 9 Innings
259.2
9
Grant Jackson
Careerverified
Per 9 Innings
55
0.36
Willis Roberts
Career
Per 9 Inningsverified
15
0.52
Grant Jackson
Careerverified
Per 9 Innings
170
1.13
Willis Roberts
Career
Per 9 Inningsverified
39
1.35
Grant Jackson
Career
Per 9 Inningsverified
16
0.11
Willis Roberts
Careerverified
Per 9 Innings
5
0.17
Grant Jackson
Careerverified
Per 9 Innings
241
1.6
Willis Roberts
Career
Per 9 Inningsverified
59
2.04
Grant Jackson
Careerverified
Per 9 Innings
225
1.49
Willis Roberts
Career
Per 9 Inningsverified
54
1.87
Grant Jackson
Careerverified
Per 9 Inningsverified
93.36
93.36
Willis Roberts
Career
Per 9 Innings
91.53
91.53
Grant Jackson
Career
Per 9 Innings
0.325
0.325
Willis Roberts
Careerverified
Per 9 Inningsverified
0.365
0.365
Grant Jackson
Career
Per 9 Innings
11.99
11.99
Willis Roberts
Careerverified
Per 9 Inningsverified
12.16
12.16
Grant Jackson
Careerverified
Per 9 Inningsverified
12
0.08
Willis Roberts
Career
Per 9 Innings
1
0.03
Grant Jackson
Career
Per 9 Innings
0
0
Willis Roberts
Career
Per 9 Innings
0
0
Grant Jackson
Career
Per 9 Innings
0
0
Willis Roberts
Career
Per 9 Innings
0
0
Grant Jackson
Career
Per 9 Innings
0
0
Willis Roberts
Career
Per 9 Innings
0
0
Grant Jackson
Career
Per 9 Innings
0
0
Willis Roberts
Career
Per 9 Innings
0
0

Hitting Stats for Grant Jackson and Willis Roberts

Grant Jackson
Careerverified
Per 600 PAverified
18
18
Willis Roberts
Career
Per 600 PA
5
5
Grant Jackson
Careerverified
Per 600 PA
718
1709.52
Willis Roberts
Career
Per 600 PAverified
148
14800
Grant Jackson
Careerverified
Per 600 PA
252
600
Willis Roberts
Career
Per 600 PA
6
600
Grant Jackson
Careerverified
Per 600 PAverified
236
561.9
Willis Roberts
Career
Per 600 PA
5
500
Grant Jackson
Career
Per 600 PA
0.136
0.136
Willis Roberts
Careerverified
Per 600 PAverified
0.2
0.2
Grant Jackson
Career
Per 600 PA
0.373
0.373
Willis Roberts
Careerverified
Per 600 PAverified
0.5
0.5
Grant Jackson
Careerverified
Per 600 PA
32
76.19
Willis Roberts
Career
Per 600 PAverified
1
100
Grant Jackson
Careerverified
Per 600 PA
27
64.29
Willis Roberts
Career
Per 600 PAverified
1
100
Grant Jackson
Careerverified
Per 600 PAverified
2
4.76
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PAverified
1
2.38
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PAverified
2
4.76
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PAverified
5
11.9
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PAverified
0.156
0.156
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PAverified
0.009
0.009
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PAverified
0.063
0.063
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PA
7.48
17.81
Willis Roberts
Career
Per 600 PAverified
0.18
18.03
Grant Jackson
Careerverified
Per 600 PA
42
100
Willis Roberts
Career
Per 600 PA
1
100
Grant Jackson
Careerverified
Per 600 PA
40
95.24
Willis Roberts
Career
Per 600 PAverified
1
100
Grant Jackson
Career
Per 600 PA
0.164
0.164
Willis Roberts
Careerverified
Per 600 PAverified
0.2
0.2
Grant Jackson
Career
Per 600 PA
0.178
0.178
Willis Roberts
Careerverified
Per 600 PAverified
0.2
0.2
Grant Jackson
Career
Per 600 PA
0.342
0.342
Willis Roberts
Careerverified
Per 600 PAverified
0.4
0.4
Grant Jackson
Careerverified
Per 600 PAverified
0.042
0.042
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Career
Per 600 PA
0.118
0.118
Willis Roberts
Careerverified
Per 600 PAverified
0.14
0.14
Grant Jackson
Career
Per 600 PA
0.242
0.242
Willis Roberts
Careerverified
Per 600 PAverified
0.25
0.25
Grant Jackson
Career
Per 600 PA
0.208
0.208
Willis Roberts
Careerverified
Per 600 PAverified
1
1
Grant Jackson
Careerverified
Per 600 PAverified
20
47.62
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PAverified
17
40.48
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PAverified
35
83.33
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PA
1.36
3.23
Willis Roberts
Career
Per 600 PAverified
0.18
18.45
Grant Jackson
Careerverified
Per 600 PAverified
1
2.38
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PAverified
7
16.67
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Career
Per 600 PAverified
90
214.29
Willis Roberts
Careerverified
Per 600 PA
4
400
Grant Jackson
Careerverified
Per 600 PAverified
2.8
2.8
Willis Roberts
Career
Per 600 PA
1.5
1.5
Grant Jackson
Careerverified
Per 600 PAverified
0.08
0.08
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Careerverified
Per 600 PA
8
19.05
Willis Roberts
Career
Per 600 PAverified
1
100
Grant Jackson
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Career
Per 600 PA
3
7.14
Willis Roberts
Careerverified
Per 600 PAverified
0
0
Grant Jackson
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Career
Per 600 PA
0
0
Willis Roberts
Career
Per 600 PA
0
0
Grant Jackson
Career
Per 600 PA
Willis Roberts
Career
Per 600 PA