Jack Aker vs. Mike Walker — Career Comparison

Jack Aker
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City AthleticsAmerican LeagueRelief Pitcher
Mike Walker
Gen XTexasThrows RightBats RightNorth AmericaSeattle MarinersAmerican LeagueStarting Pitcher

Mike Walker 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 7.36 and 2.250 for Mike Walker. 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 Mike Walker

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Mike Walker
Career
Per 9 Innings
1
1
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Mike Walker
Career
Per 9 Innings
5
3.07
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Careerverified
Per 9 Inningsverified
3
1.84
Jack Aker
Careerverified
Per 9 Inningsverified
47
0.57
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Inningsverified
45
0.54
Mike Walker
Careerverified
Per 9 Innings
3
1.84
Jack Aker
Careerverified
Per 9 Inningsverified
51.09
51.09
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Careerverified
Per 9 Inningsverified
60
60
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
123
1.48
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Inningsverified
272
3.28
Mike Walker
Careerverified
Per 9 Innings
12
7.36
Jack Aker
Careerverified
Per 9 Inningsverified
3.28
3.28
Mike Walker
Career
Per 9 Innings
7.36
7.36
Jack Aker
Careerverified
Per 9 Inningsverified
3.45
3.45
Mike Walker
Career
Per 9 Innings
8.54
8.54
Jack Aker
Careerverified
Per 9 Inningsverified
4.29
4.29
Mike Walker
Career
Per 9 Innings
7.7
7.7
Jack Aker
Careerverified
Per 9 Inningsverified
0.244
0.244
Mike Walker
Career
Per 9 Innings
0.333
0.333
Jack Aker
Careerverified
Per 9 Innings
2238
27
Mike Walker
Career
Per 9 Innings
44
27
Jack Aker
Careerverified
Per 9 Innings
746
9
Mike Walker
Career
Per 9 Innings
14.2
9
Jack Aker
Career
Per 9 Inningsverified
679
8.19
Mike Walker
Careerverified
Per 9 Innings
21
12.89
Jack Aker
Careerverified
Per 9 Inningsverified
8.19
8.19
Mike Walker
Career
Per 9 Innings
12.89
12.89
Jack Aker
Career
Per 9 Inningsverified
64
0.77
Mike Walker
Careerverified
Per 9 Innings
4
2.45
Jack Aker
Careerverified
Per 9 Inningsverified
0.77
0.77
Mike Walker
Career
Per 9 Innings
2.45
2.45
Jack Aker
Careerverified
Per 9 Inningsverified
0.13
0.13
Mike Walker
Career
Per 9 Innings
0.8
0.8
Jack Aker
Career
Per 9 Inningsverified
274
3.31
Mike Walker
Careerverified
Per 9 Innings
9
5.52
Jack Aker
Career
Per 9 Inningsverified
68
0.82
Mike Walker
Careerverified
Per 9 Innings
3
1.84
Jack Aker
Careerverified
Per 9 Inningsverified
3.31
3.31
Mike Walker
Career
Per 9 Innings
5.52
5.52
Jack Aker
Careerverified
Per 9 Inningsverified
404
4.87
Mike Walker
Career
Per 9 Innings
5
3.07
Jack Aker
Careerverified
Per 9 Inningsverified
4.87
4.87
Mike Walker
Career
Per 9 Innings
3.07
3.07
Jack Aker
Career
Per 9 Innings
0.82
0.82
Mike Walker
Careerverified
Per 9 Inningsverified
1
1
Jack Aker
Career
Per 9 Innings
0.909
0.909
Mike Walker
Careerverified
Per 9 Inningsverified
0.955
0.955
Jack Aker
Career
Per 9 Inningsverified
13
0.16
Mike Walker
Careerverified
Per 9 Innings
1
0.61
Jack Aker
Career
Per 9 Innings
40
0.48
Mike Walker
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Innings
3144
37.93
Mike Walker
Career
Per 9 Inningsverified
74
45.41
Jack Aker
Careerverified
Per 9 Inningsverified
321
3.87
Mike Walker
Career
Per 9 Innings
1
0.61
Jack Aker
Career
Per 9 Inningsverified
312
3.76
Mike Walker
Careerverified
Per 9 Innings
14
8.59
Jack Aker
Careerverified
Per 9 Inningsverified
3.76
3.76
Mike Walker
Career
Per 9 Innings
8.59
8.59
Jack Aker
Career
Per 9 Inningsverified
32
0.39
Mike Walker
Careerverified
Per 9 Innings
1
0.61
Jack Aker
Career
Per 9 Inningsverified
12
0.14
Mike Walker
Careerverified
Per 9 Innings
1
0.61
Jack Aker
Careerverified
Per 9 Innings
19
0.23
Mike Walker
Career
Per 9 Inningsverified
1
0.61
Jack Aker
Careerverified
Per 9 Inningsverified
1.278
1.278
Mike Walker
Career
Per 9 Innings
2.046
2.046
Jack Aker
Careerverified
Per 9 Innings
2786
33.61
Mike Walker
Career
Per 9 Inningsverified
63
38.66
Jack Aker
Careerverified
Per 9 Inningsverified
0.63
0.63
Mike Walker
Career
Per 9 Innings
2.8
2.8
Jack Aker
Careerverified
Per 9 Inningsverified
0.265
0.265
Mike Walker
Career
Per 9 Innings
0.315
0.315
Jack Aker
Career
Per 9 Innings
37.93
37.93
Mike Walker
Careerverified
Per 9 Inningsverified
45.41
45.41

Fielding Stats for Jack Aker and Mike Walker

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Mike Walker
Career
Per 9 Innings
1
1
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Mike Walker
Career
Per 9 Innings
5
3.07
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Careerverified
Per 9 Inningsverified
3
1.84
Jack Aker
Careerverified
Per 9 Innings
2240
27
Mike Walker
Career
Per 9 Innings
44
27
Jack Aker
Careerverified
Per 9 Innings
746.2
9
Mike Walker
Career
Per 9 Innings
14.2
9
Jack Aker
Careerverified
Per 9 Inningsverified
65
0.78
Mike Walker
Career
Per 9 Innings
1
0.61
Jack Aker
Careerverified
Per 9 Inningsverified
167
2.01
Mike Walker
Career
Per 9 Innings
3
1.84
Jack Aker
Career
Per 9 Inningsverified
8
0.1
Mike Walker
Careerverified
Per 9 Innings
2
1.23
Jack Aker
Careerverified
Per 9 Innings
240
2.89
Mike Walker
Career
Per 9 Inningsverified
6
3.68
Jack Aker
Careerverified
Per 9 Inningsverified
232
2.8
Mike Walker
Career
Per 9 Innings
4
2.45
Jack Aker
Careerverified
Per 9 Inningsverified
96.67
96.67
Mike Walker
Career
Per 9 Innings
66.67
66.67
Jack Aker
Career
Per 9 Innings
0.469
0.469
Mike Walker
Careerverified
Per 9 Inningsverified
0.8
0.8
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Careerverified
Per 9 Inningsverified
60
60
Jack Aker
Careerverified
Per 9 Inningsverified
20
0.24
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Mike Walker
Career
Per 9 Innings
0
0

Hitting Stats for Jack Aker and Mike Walker

Jack Aker
Careerverified
Per 600 PAverified
11
11
Mike Walker
Career
Per 600 PA
1
Jack Aker
Careerverified
Per 600 PAverified
496
2861.54
Mike Walker
Career
Per 600 PA
5
Jack Aker
Careerverified
Per 600 PAverified
104
600
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
92
530.77
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
0.076
0.076
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.279
0.279
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
7
40.38
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
5
28.85
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
2
11.54
Mike Walker
Career
Per 600 PA
0
Jack Aker
Career
Per 600 PA
0
0
Mike Walker
Career
Per 600 PA
0
Jack Aker
Career
Per 600 PA
0
0
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
2
11.54
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
0.286
0.286
Mike Walker
Career
Per 600 PA
Jack Aker
Career
Per 600 PA
0
0
Mike Walker
Career
Per 600 PA
Jack Aker
Career
Per 600 PA
0
0
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.81
4.66
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
9
51.92
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
9
51.92
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
0.096
0.096
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.098
0.098
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.194
0.194
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.022
0.022
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.068
0.068
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.128
0.128
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.171
0.171
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
3
17.31
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
4
23.08
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
7
40.38
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
-4.13
-23.83
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
Mike Walker
Career
Per 600 PA
0
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
Mike Walker
Career
Per 600 PA
0
Jack Aker
Career
Per 600 PA
0
0
Mike Walker
Career
Per 600 PA
0
Jack Aker
Career
Per 600 PA
51
294.23
Mike Walker
Careerverified
Per 600 PAverified
0
Jack Aker
Careerverified
Per 600 PAverified
2.04
2.04
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.02
0.02
Mike Walker
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
10
57.69
Mike Walker
Career
Per 600 PA
0
Jack Aker
Career
Per 600 PA
0
0
Mike Walker
Career
Per 600 PA
0
Jack Aker
Career
Per 600 PA
1
5.77
Mike Walker
Careerverified
Per 600 PAverified
0
Jack Aker
Career
Per 600 PA
0
0
Mike Walker
Career
Per 600 PA
0
Jack Aker
Career
Per 600 PA
0
0
Mike Walker
Career
Per 600 PA
0
Jack Aker
Career
Per 600 PA
0
0
Mike Walker
Career
Per 600 PA
0
Jack Aker
Career
Per 600 PA
Mike Walker
Career
Per 600 PA