Jack Aker vs. Adam Peterson — Career Comparison

Jack Aker
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City AthleticsAmerican LeagueRelief Pitcher
Adam Peterson
Gen XCaliforniaThrows RightBats RightNorth AmericaChicago White SoxAmerican LeagueStarting Pitcher

Adam Peterson built a career as a starting pitcher and Jack Aker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jack Aker posted stronger surface numbers — ERA 3.28 and WHIP 1.369 compared to 5.46 and 1.516 for Adam Peterson. By the career numbers, Jack Aker had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jack Aker and Adam Peterson

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Adam Peterson
Career
Per 9 Innings
5
5
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Adam Peterson
Career
Per 9 Innings
39
2.26
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Careerverified
Per 9 Inningsverified
27
1.57
Jack Aker
Careerverified
Per 9 Inningsverified
47
0.57
Adam Peterson
Career
Per 9 Innings
5
0.29
Jack Aker
Career
Per 9 Inningsverified
45
0.54
Adam Peterson
Careerverified
Per 9 Innings
11
0.64
Jack Aker
Careerverified
Per 9 Inningsverified
51.09
51.09
Adam Peterson
Career
Per 9 Innings
31.25
31.25
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Careerverified
Per 9 Inningsverified
69.23
69.23
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Careerverified
Per 9 Inningsverified
2
0.12
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
123
1.48
Adam Peterson
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Inningsverified
272
3.28
Adam Peterson
Careerverified
Per 9 Innings
94
5.46
Jack Aker
Careerverified
Per 9 Inningsverified
3.28
3.28
Adam Peterson
Career
Per 9 Innings
5.46
5.46
Jack Aker
Careerverified
Per 9 Inningsverified
3.45
3.45
Adam Peterson
Career
Per 9 Innings
5.04
5.04
Jack Aker
Careerverified
Per 9 Inningsverified
4.29
4.29
Adam Peterson
Career
Per 9 Innings
5.34
5.34
Jack Aker
Careerverified
Per 9 Inningsverified
0.244
0.244
Adam Peterson
Career
Per 9 Innings
0.277
0.277
Jack Aker
Careerverified
Per 9 Innings
2238
27
Adam Peterson
Career
Per 9 Innings
465
27
Jack Aker
Careerverified
Per 9 Innings
746
9
Adam Peterson
Career
Per 9 Innings
155
9
Jack Aker
Career
Per 9 Inningsverified
679
8.19
Adam Peterson
Careerverified
Per 9 Innings
167
9.7
Jack Aker
Careerverified
Per 9 Inningsverified
8.19
8.19
Adam Peterson
Career
Per 9 Innings
9.7
9.7
Jack Aker
Career
Per 9 Inningsverified
64
0.77
Adam Peterson
Careerverified
Per 9 Innings
24
1.39
Jack Aker
Careerverified
Per 9 Inningsverified
0.77
0.77
Adam Peterson
Career
Per 9 Innings
1.39
1.39
Jack Aker
Careerverified
Per 9 Inningsverified
0.13
0.13
Adam Peterson
Career
Per 9 Innings
0.62
0.62
Jack Aker
Career
Per 9 Inningsverified
274
3.31
Adam Peterson
Careerverified
Per 9 Innings
65
3.77
Jack Aker
Career
Per 9 Innings
68
0.82
Adam Peterson
Careerverified
Per 9 Inningsverified
3
0.17
Jack Aker
Careerverified
Per 9 Inningsverified
3.31
3.31
Adam Peterson
Career
Per 9 Innings
3.77
3.77
Jack Aker
Careerverified
Per 9 Inningsverified
404
4.87
Adam Peterson
Career
Per 9 Innings
75
4.35
Jack Aker
Careerverified
Per 9 Inningsverified
4.87
4.87
Adam Peterson
Career
Per 9 Innings
4.35
4.35
Jack Aker
Career
Per 9 Innings
0.82
0.82
Adam Peterson
Careerverified
Per 9 Inningsverified
1.92
1.92
Jack Aker
Careerverified
Per 9 Inningsverified
0.909
0.909
Adam Peterson
Career
Per 9 Innings
0.903
0.903
Jack Aker
Career
Per 9 Inningsverified
13
0.16
Adam Peterson
Careerverified
Per 9 Innings
11
0.64
Jack Aker
Career
Per 9 Innings
40
0.48
Adam Peterson
Careerverified
Per 9 Inningsverified
2
0.12
Jack Aker
Careerverified
Per 9 Inningsverified
0
0
Adam Peterson
Career
Per 9 Innings
1
0.06
Jack Aker
Careerverified
Per 9 Innings
3144
37.93
Adam Peterson
Career
Per 9 Inningsverified
682
39.6
Jack Aker
Careerverified
Per 9 Inningsverified
321
3.87
Adam Peterson
Career
Per 9 Innings
4
0.23
Jack Aker
Career
Per 9 Inningsverified
312
3.76
Adam Peterson
Careerverified
Per 9 Innings
103
5.98
Jack Aker
Careerverified
Per 9 Inningsverified
3.76
3.76
Adam Peterson
Career
Per 9 Innings
5.98
5.98
Jack Aker
Career
Per 9 Inningsverified
32
0.39
Adam Peterson
Careerverified
Per 9 Innings
7
0.41
Jack Aker
Career
Per 9 Inningsverified
12
0.14
Adam Peterson
Careerverified
Per 9 Innings
6
0.35
Jack Aker
Careerverified
Per 9 Innings
19
0.23
Adam Peterson
Career
Per 9 Inningsverified
14
0.81
Jack Aker
Careerverified
Per 9 Inningsverified
1.278
1.278
Adam Peterson
Career
Per 9 Innings
1.497
1.497
Jack Aker
Careerverified
Per 9 Innings
2786
33.61
Adam Peterson
Career
Per 9 Inningsverified
602
34.95
Jack Aker
Careerverified
Per 9 Inningsverified
0.63
0.63
Adam Peterson
Career
Per 9 Innings
2.64
2.64
Jack Aker
Careerverified
Per 9 Inningsverified
0.265
0.265
Adam Peterson
Career
Per 9 Innings
0.284
0.284
Jack Aker
Career
Per 9 Innings
37.93
37.93
Adam Peterson
Careerverified
Per 9 Inningsverified
39.6
39.6

Fielding Stats for Jack Aker and Adam Peterson

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Adam Peterson
Career
Per 9 Innings
5
5
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Adam Peterson
Career
Per 9 Innings
39
2.26
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Careerverified
Per 9 Inningsverified
27
1.57
Jack Aker
Careerverified
Per 9 Innings
2240
27
Adam Peterson
Career
Per 9 Innings
465
27
Jack Aker
Careerverified
Per 9 Innings
746.2
9
Adam Peterson
Career
Per 9 Innings
155
9
Jack Aker
Careerverified
Per 9 Inningsverified
65
0.78
Adam Peterson
Career
Per 9 Innings
10
0.58
Jack Aker
Careerverified
Per 9 Inningsverified
167
2.01
Adam Peterson
Career
Per 9 Innings
12
0.7
Jack Aker
Career
Per 9 Inningsverified
8
0.1
Adam Peterson
Careerverified
Per 9 Innings
3
0.17
Jack Aker
Careerverified
Per 9 Inningsverified
240
2.89
Adam Peterson
Career
Per 9 Innings
25
1.45
Jack Aker
Careerverified
Per 9 Inningsverified
232
2.8
Adam Peterson
Career
Per 9 Innings
22
1.28
Jack Aker
Careerverified
Per 9 Inningsverified
96.67
96.67
Adam Peterson
Career
Per 9 Innings
88
88
Jack Aker
Career
Per 9 Innings
0.469
0.469
Adam Peterson
Careerverified
Per 9 Inningsverified
0.564
0.564
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Careerverified
Per 9 Inningsverified
69.23
69.23
Jack Aker
Careerverified
Per 9 Inningsverified
20
0.24
Adam Peterson
Career
Per 9 Innings
1
0.06
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Adam Peterson
Career
Per 9 Innings
0
0

Hitting Stats for Jack Aker and Adam Peterson

Jack Aker
Careerverified
Per 600 PAverified
11
11
Adam Peterson
Career
Per 600 PA
5
5
Jack Aker
Careerverified
Per 600 PAverified
496
2861.54
Adam Peterson
Career
Per 600 PA
39
1462.5
Jack Aker
Careerverified
Per 600 PA
104
600
Adam Peterson
Career
Per 600 PA
16
600
Jack Aker
Careerverified
Per 600 PAverified
92
530.77
Adam Peterson
Career
Per 600 PA
13
487.5
Jack Aker
Careerverified
Per 600 PAverified
0.076
0.076
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.279
0.279
Adam Peterson
Career
Per 600 PA
0.25
0.25
Jack Aker
Careerverified
Per 600 PAverified
7
40.38
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
5
28.85
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
2
11.54
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
2
11.54
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.286
0.286
Adam Peterson
Career
Per 600 PA
Jack Aker
Career
Per 600 PA
0
0
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Adam Peterson
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.81
4.66
Adam Peterson
Career
Per 600 PA
0.03
1.25
Jack Aker
Careerverified
Per 600 PAverified
9
51.92
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PA
9
51.92
Adam Peterson
Career
Per 600 PAverified
2
75
Jack Aker
Career
Per 600 PA
0.096
0.096
Adam Peterson
Careerverified
Per 600 PAverified
0.133
0.133
Jack Aker
Careerverified
Per 600 PAverified
0.098
0.098
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.194
0.194
Adam Peterson
Career
Per 600 PA
0.133
0.133
Jack Aker
Careerverified
Per 600 PAverified
0.022
0.022
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.068
0.068
Adam Peterson
Career
Per 600 PA
0.06
0.06
Jack Aker
Career
Per 600 PA
0.128
0.128
Adam Peterson
Careerverified
Per 600 PAverified
0.154
0.154
Jack Aker
Careerverified
Per 600 PAverified
0.171
0.171
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
3
17.31
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
4
23.08
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
7
40.38
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PAverified
-4.13
-23.83
Adam Peterson
Careerverified
Per 600 PA
-0.73
-27.51
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
Adam Peterson
Careerverified
Per 600 PAverified
2
75
Jack Aker
Career
Per 600 PA
0
0
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PAverified
51
294.23
Adam Peterson
Careerverified
Per 600 PA
9
337.5
Jack Aker
Careerverified
Per 600 PAverified
2.04
2.04
Adam Peterson
Career
Per 600 PA
1.78
1.78
Jack Aker
Career
Per 600 PA
0.02
0.02
Adam Peterson
Careerverified
Per 600 PAverified
0.22
0.22
Jack Aker
Careerverified
Per 600 PAverified
10
57.69
Adam Peterson
Career
Per 600 PA
1
37.5
Jack Aker
Career
Per 600 PA
0
0
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
Adam Peterson
Careerverified
Per 600 PAverified
0
0
Jack Aker
Career
Per 600 PA
0
0
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Adam Peterson
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
Adam Peterson
Career
Per 600 PA