Jim Acker vs. Dave Roberts — Career Comparison
Dave Roberts built a career as a starting pitcher and Jim Acker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jim Acker led in run prevention (ERA+ 92 vs 82), home run suppression (HR9+ 92 vs 86), and strikeout rate (K%+ 78 vs 75). Dave Roberts held the edge in walk avoidance (BB%+ 114 vs 98). Keeping the role difference in mind, the edge still goes to Jim Acker.
Pitching Stats for Jim Acker and Dave Roberts
Jim Acker
Career
Per 9 Innings
467
4.65
Dave Roberts
Career
Per 9 Innings
445
1.91
Jim Acker
Career
Per 9 Innings
40.24
40.24
Dave Roberts
Career
Per 9 Innings
45.18
45.18
Jim Acker
Career
Per 9 Innings
6.85
6.85
Dave Roberts
Career
Per 9 Innings
62.25
62.25
Jim Acker
Career
Per 9 Innings
399
3.97
Dave Roberts
Career
Per 9 Innings
882
3.78
Jim Acker
Career
Per 9 Innings
4.07
4.07
Dave Roberts
Career
Per 9 Innings
3.71
3.71
Jim Acker
Career
Per 9 Innings
4.31
4.31
Dave Roberts
Career
Per 9 Innings
3.97
3.97
Jim Acker
Career
Per 9 Innings
0.267
0.267
Dave Roberts
Career
Per 9 Innings
0.27
0.27
Jim Acker
Career
Per 9 Innings
2713
27
Dave Roberts
Career
Per 9 Innings
6297
27
Jim Acker
Career
Per 9 Innings
904.1
9
Dave Roberts
Career
Per 9 Innings
2099
9
Jim Acker
Career
Per 9 Innings
9.14
9.14
Dave Roberts
Career
Per 9 Innings
9.38
9.38
Jim Acker
Career
Per 9 Innings
82
0.82
Dave Roberts
Career
Per 9 Innings
155
0.66
Jim Acker
Career
Per 9 Innings
0.82
0.82
Dave Roberts
Career
Per 9 Innings
0.66
0.66
Jim Acker
Career
Per 9 Innings
0.18
0.18
Dave Roberts
Career
Per 9 Innings
0.35
0.35
Jim Acker
Career
Per 9 Innings
40
0.4
Dave Roberts
Career
Per 9 Innings
80
0.34
Jim Acker
Career
Per 9 Innings
3.27
3.27
Dave Roberts
Career
Per 9 Innings
2.64
2.64
Jim Acker
Career
Per 9 Innings
482
4.8
Dave Roberts
Career
Per 9 Innings
957
4.1
Jim Acker
Career
Per 9 Innings
4.8
4.8
Dave Roberts
Career
Per 9 Innings
4.1
4.1
Jim Acker
Career
Per 9 Innings
1.03
1.03
Dave Roberts
Career
Per 9 Innings
2.15
2.15
Jim Acker
Career
Per 9 Innings
0.897
0.897
Dave Roberts
Career
Per 9 Innings
0.749
0.749
Jim Acker
Career
Per 9 Innings
31
0.31
Dave Roberts
Career
Per 9 Innings
45
0.19
Jim Acker
Career
Per 9 Innings
32
0.32
Dave Roberts
Career
Per 9 Innings
31
0.13
Jim Acker
Career
Per 9 Innings
3868
38.49
Dave Roberts
Career
Per 9 Innings
8930
38.29
Jim Acker
Career
Per 9 Innings
159
1.58
Dave Roberts
Career
Per 9 Innings
69
0.3
Jim Acker
Career
Per 9 Innings
4.45
4.45
Dave Roberts
Career
Per 9 Innings
4.2
4.2
Jim Acker
Career
Per 9 Innings
43
0.43
Dave Roberts
Career
Per 9 Innings
111
0.48
Jim Acker
Career
Per 9 Innings
31
0.31
Dave Roberts
Career
Per 9 Innings
68
0.29
Jim Acker
Career
Per 9 Innings
100
1
Dave Roberts
Career
Per 9 Innings
126
0.54
Jim Acker
Career
Per 9 Innings
1.379
1.379
Dave Roberts
Career
Per 9 Innings
1.335
1.335
Jim Acker
Career
Per 9 Innings
3433
34.17
Dave Roberts
Career
Per 9 Innings
8105
34.75
Jim Acker
Career
Per 9 Innings
0.96
0.96
Dave Roberts
Career
Per 9 Innings
2.2
2.2
Jim Acker
Career
Per 9 Innings
0.291
0.291
Dave Roberts
Career
Per 9 Innings
0.291
0.291
Jim Acker
Career
Per 9 Innings
38.49
38.49
Dave Roberts
Career
Per 9 Innings
38.29
38.29
Fielding Stats for Jim Acker and Dave Roberts
Jim Acker
Career
Per 9 Innings
467
4.65
Dave Roberts
Career
Per 9 Innings
445
1.91
Jim Acker
Career
Per 9 Innings
32
0.32
Dave Roberts
Career
Per 9 Innings
277
1.19
Jim Acker
Career
Per 9 Innings
2713
27
Dave Roberts
Career
Per 9 Innings
6299
27
Jim Acker
Career
Per 9 Innings
904.1
9
Dave Roberts
Career
Per 9 Innings
2099.2
9
Jim Acker
Career
Per 9 Innings
236
2.35
Dave Roberts
Career
Per 9 Innings
482
2.07
Jim Acker
Career
Per 9 Innings
234
2.33
Dave Roberts
Career
Per 9 Innings
466
2
Jim Acker
Career
Per 9 Innings
99.15
99.15
Dave Roberts
Career
Per 9 Innings
96.68
96.68
Jim Acker
Career
Per 9 Innings
0.501
0.501
Dave Roberts
Career
Per 9 Innings
1.047
1.047
Jim Acker
Career
Per 9 Innings
6.85
6.85
Dave Roberts
Career
Per 9 Innings
62.25
62.25
Jim Acker
Career
Per 9 Innings
11
0.11
Dave Roberts
Career
Per 9 Innings
23
0.1
Hitting Stats for Jim Acker and Dave Roberts
Jim Acker
Career
Per 600 PA
467
5003.57
Dave Roberts
Career
Per 600 PA
452
459.66
Jim Acker
Career
Per 600 PA
56
600
Dave Roberts
Career
Per 600 PA
590
600
Jim Acker
Career
Per 600 PA
0.167
0.167
Dave Roberts
Career
Per 600 PA
0.194
0.194
Jim Acker
Career
Per 600 PA
0.393
0.393
Dave Roberts
Career
Per 600 PA
0.53
0.53
Jim Acker
Career
Per 600 PA
1
10.71
Dave Roberts
Career
Per 600 PA
26
26.44
Jim Acker
Career
Per 600 PA
0.111
0.111
Dave Roberts
Career
Per 600 PA
0.252
0.252
Jim Acker
Career
Per 600 PA
10
107.14
Dave Roberts
Career
Per 600 PA
147
149.49
Jim Acker
Career
Per 600 PA
11
117.86
Dave Roberts
Career
Per 600 PA
111
112.88
Jim Acker
Career
Per 600 PA
0.196
0.196
Dave Roberts
Career
Per 600 PA
0.204
0.204
Jim Acker
Career
Per 600 PA
0.185
0.185
Dave Roberts
Career
Per 600 PA
0.277
0.277
Jim Acker
Career
Per 600 PA
0.019
0.019
Dave Roberts
Career
Per 600 PA
0.083
0.083
Jim Acker
Career
Per 600 PA
0.135
0.135
Dave Roberts
Career
Per 600 PA
0.161
0.161
Jim Acker
Career
Per 600 PA
0.261
0.261
Dave Roberts
Career
Per 600 PA
0.353
0.353
Jim Acker
Career
Per 600 PA
0.88
9.45
Dave Roberts
Career
Per 600 PA
26.26
26.71
Jim Acker
Career
Per 600 PA
1.75
1.75
Dave Roberts
Career
Per 600 PA
4.44
4.44
Jim Acker
Career
Per 600 PA
0.06
0.06
Dave Roberts
Career
Per 600 PA
0.06
0.06
Jim Acker
Career
Per 600 PA
1
10.71
Dave Roberts
Career
Per 600 PA
10
10.17