Jack Aker vs. Walt Doan — Career Comparison

Jack Aker
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City AthleticsAmerican LeagueRelief Pitcher
Walt Doan
Lost GenerationIdahoThrows RightBats LeftNorth AmericaCleveland GuardiansAmerican LeagueStarting Pitcher

Walt Doan 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 5.56 and 2.206 for Walt Doan. 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 Walt Doan

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Walt Doan
Career
Per 9 Innings
2
2
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Walt Doan
Career
Per 9 Innings
7
2.78
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Careerverified
Per 9 Inningsverified
1
0.4
Jack Aker
Careerverified
Per 9 Inningsverified
47
0.57
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
45
0.54
Walt Doan
Careerverified
Per 9 Inningsverified
1
0.4
Jack Aker
Careerverified
Per 9 Inningsverified
51.09
51.09
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Careerverified
Per 9 Inningsverified
14.29
14.29
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
123
1.48
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Inningsverified
272
3.28
Walt Doan
Careerverified
Per 9 Innings
14
5.56
Jack Aker
Careerverified
Per 9 Inningsverified
3.28
3.28
Walt Doan
Career
Per 9 Innings
5.56
5.56
Jack Aker
Careerverified
Per 9 Inningsverified
3.45
3.45
Walt Doan
Career
Per 9 Innings
9.35
9.35
Jack Aker
Career
Per 9 Innings
4.29
4.29
Walt Doan
Careerverified
Per 9 Inningsverified
4.1
4.1
Jack Aker
Careerverified
Per 9 Inningsverified
0.244
0.244
Walt Doan
Career
Per 9 Innings
0.41
0.41
Jack Aker
Careerverified
Per 9 Innings
2238
27
Walt Doan
Career
Per 9 Innings
68
27
Jack Aker
Careerverified
Per 9 Innings
746
9
Walt Doan
Career
Per 9 Innings
22.2
9
Jack Aker
Career
Per 9 Inningsverified
679
8.19
Walt Doan
Careerverified
Per 9 Innings
41
16.28
Jack Aker
Careerverified
Per 9 Inningsverified
8.19
8.19
Walt Doan
Career
Per 9 Innings
16.28
16.28
Jack Aker
Career
Per 9 Innings
64
0.77
Walt Doan
Careerverified
Per 9 Inningsverified
1
0.4
Jack Aker
Career
Per 9 Innings
0.77
0.77
Walt Doan
Careerverified
Per 9 Inningsverified
0.4
0.4
Jack Aker
Careerverified
Per 9 Inningsverified
0.13
0.13
Walt Doan
Career
Per 9 Innings
0.14
0.14
Jack Aker
Career
Per 9 Inningsverified
274
3.31
Walt Doan
Careerverified
Per 9 Innings
9
3.57
Jack Aker
Career
Per 9 Innings
68
0.82
Walt Doan
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
3.31
3.31
Walt Doan
Career
Per 9 Innings
3.57
3.57
Jack Aker
Careerverified
Per 9 Inningsverified
404
4.87
Walt Doan
Career
Per 9 Innings
9
3.57
Jack Aker
Careerverified
Per 9 Inningsverified
4.87
4.87
Walt Doan
Career
Per 9 Innings
3.57
3.57
Jack Aker
Career
Per 9 Innings
0.82
0.82
Walt Doan
Careerverified
Per 9 Inningsverified
1.29
1.29
Jack Aker
Careerverified
Per 9 Inningsverified
0.909
0.909
Walt Doan
Career
Per 9 Innings
0.794
0.794
Jack Aker
Career
Per 9 Innings
13
0.16
Walt Doan
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Career
Per 9 Innings
40
0.48
Walt Doan
Careerverified
Per 9 Inningsverified
1
0.4
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Innings
3144
37.93
Walt Doan
Career
Per 9 Inningsverified
110
43.68
Jack Aker
Careerverified
Per 9 Inningsverified
321
3.87
Walt Doan
Career
Per 9 Innings
4
1.59
Jack Aker
Career
Per 9 Inningsverified
312
3.76
Walt Doan
Careerverified
Per 9 Innings
28
11.12
Jack Aker
Careerverified
Per 9 Inningsverified
3.76
3.76
Walt Doan
Career
Per 9 Innings
11.12
11.12
Jack Aker
Career
Per 9 Innings
32
0.39
Walt Doan
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Career
Per 9 Innings
12
0.14
Walt Doan
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
19
0.23
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
1.278
1.278
Walt Doan
Career
Per 9 Innings
2.206
2.206
Jack Aker
Careerverified
Per 9 Innings
2786
33.61
Walt Doan
Career
Per 9 Inningsverified
100
39.71
Jack Aker
Careerverified
Per 9 Inningsverified
0.63
0.63
Walt Doan
Career
Per 9 Innings
4
4
Jack Aker
Careerverified
Per 9 Inningsverified
0.265
0.265
Walt Doan
Career
Per 9 Innings
0.444
0.444
Jack Aker
Career
Per 9 Innings
37.93
37.93
Walt Doan
Careerverified
Per 9 Inningsverified
43.68
43.68

Fielding Stats for Jack Aker and Walt Doan

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Walt Doan
Career
Per 9 Innings
2
2
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Walt Doan
Career
Per 9 Innings
9
2.08
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Careerverified
Per 9 Inningsverified
3
0.69
Jack Aker
Careerverified
Per 9 Innings
2240
27
Walt Doan
Career
Per 9 Innings
117
27
Jack Aker
Careerverified
Per 9 Innings
746.2
9
Walt Doan
Career
Per 9 Innings
39
9
Jack Aker
Careerverified
Per 9 Innings
65
0.78
Walt Doan
Career
Per 9 Inningsverified
7
1.62
Jack Aker
Careerverified
Per 9 Inningsverified
167
2.01
Walt Doan
Career
Per 9 Innings
4
0.92
Jack Aker
Career
Per 9 Inningsverified
8
0.1
Walt Doan
Careerverified
Per 9 Innings
3
0.69
Jack Aker
Careerverified
Per 9 Innings
240
2.89
Walt Doan
Career
Per 9 Inningsverified
14
3.23
Jack Aker
Careerverified
Per 9 Inningsverified
232
2.8
Walt Doan
Career
Per 9 Innings
11
2.54
Jack Aker
Careerverified
Per 9 Inningsverified
96.67
96.67
Walt Doan
Career
Per 9 Innings
78.57
78.57
Jack Aker
Career
Per 9 Innings
0.469
0.469
Walt Doan
Careerverified
Per 9 Inningsverified
1.222
1.222
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Careerverified
Per 9 Inningsverified
33.33
33.33
Jack Aker
Careerverified
Per 9 Inningsverified
20
0.24
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Walt Doan
Career
Per 9 Innings
0
0

Hitting Stats for Jack Aker and Walt Doan

Jack Aker
Careerverified
Per 600 PAverified
11
11
Walt Doan
Career
Per 600 PA
2
2
Jack Aker
Careerverified
Per 600 PAverified
496
2861.54
Walt Doan
Career
Per 600 PA
10
333.33
Jack Aker
Careerverified
Per 600 PA
104
600
Walt Doan
Career
Per 600 PA
18
600
Jack Aker
Careerverified
Per 600 PA
92
530.77
Walt Doan
Career
Per 600 PAverified
16
533.33
Jack Aker
Career
Per 600 PA
0.076
0.076
Walt Doan
Careerverified
Per 600 PAverified
0.188
0.188
Jack Aker
Career
Per 600 PA
0.279
0.279
Walt Doan
Careerverified
Per 600 PAverified
0.556
0.556
Jack Aker
Careerverified
Per 600 PA
7
40.38
Walt Doan
Career
Per 600 PAverified
3
100
Jack Aker
Careerverified
Per 600 PA
5
28.85
Walt Doan
Career
Per 600 PAverified
2
66.67
Jack Aker
Careerverified
Per 600 PA
2
11.54
Walt Doan
Career
Per 600 PAverified
1
33.33
Jack Aker
Career
Per 600 PA
0
0
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PA
2
11.54
Walt Doan
Career
Per 600 PAverified
1
33.33
Jack Aker
Career
Per 600 PA
0.286
0.286
Walt Doan
Careerverified
Per 600 PAverified
0.333
0.333
Jack Aker
Career
Per 600 PA
0
0
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0.81
4.66
Walt Doan
Careerverified
Per 600 PAverified
1.26
42.15
Jack Aker
Careerverified
Per 600 PA
9
51.92
Walt Doan
Career
Per 600 PAverified
4
133.33
Jack Aker
Careerverified
Per 600 PA
9
51.92
Walt Doan
Career
Per 600 PAverified
5
166.67
Jack Aker
Career
Per 600 PA
0.096
0.096
Walt Doan
Careerverified
Per 600 PAverified
0.278
0.278
Jack Aker
Career
Per 600 PA
0.098
0.098
Walt Doan
Careerverified
Per 600 PAverified
0.25
0.25
Jack Aker
Career
Per 600 PA
0.194
0.194
Walt Doan
Careerverified
Per 600 PAverified
0.528
0.528
Jack Aker
Career
Per 600 PA
0.022
0.022
Walt Doan
Careerverified
Per 600 PAverified
0.063
0.063
Jack Aker
Career
Per 600 PA
0.068
0.068
Walt Doan
Careerverified
Per 600 PAverified
0.188
0.188
Jack Aker
Career
Per 600 PA
0.128
0.128
Walt Doan
Careerverified
Per 600 PAverified
0.462
0.462
Jack Aker
Career
Per 600 PA
0.171
0.171
Walt Doan
Careerverified
Per 600 PAverified
0.231
0.231
Jack Aker
Careerverified
Per 600 PA
3
17.31
Walt Doan
Career
Per 600 PAverified
1
33.33
Jack Aker
Careerverified
Per 600 PA
4
23.08
Walt Doan
Career
Per 600 PAverified
2
66.67
Jack Aker
Careerverified
Per 600 PA
7
40.38
Walt Doan
Career
Per 600 PAverified
3
100
Jack Aker
Career
Per 600 PA
-4.13
-23.83
Walt Doan
Careerverified
Per 600 PAverified
1.25
41.67
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
Walt Doan
Careerverified
Per 600 PAverified
2
66.67
Jack Aker
Career
Per 600 PA
0
0
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
51
294.23
Walt Doan
Careerverified
Per 600 PAverified
3
100
Jack Aker
Career
Per 600 PA
2.04
2.04
Walt Doan
Careerverified
Per 600 PAverified
6
6
Jack Aker
Career
Per 600 PA
0.02
0.02
Walt Doan
Careerverified
Per 600 PAverified
0.67
0.67
Jack Aker
Careerverified
Per 600 PAverified
10
57.69
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
Walt Doan
Careerverified
Per 600 PAverified
0
0
Jack Aker
Career
Per 600 PA
0
0
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Walt Doan
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
Walt Doan
Career
Per 600 PA