Jack Aker vs. John Perkovich — Career Comparison

Jack Aker
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City AthleticsAmerican LeagueRelief Pitcher
John Perkovich
Greatest GenerationIllinoisThrows RightBats RightNorth AmericaChicago White SoxAmerican LeagueRelief Pitcher

On the career pitching numbers, Jack Aker posted a stronger line than John Perkovich. Jack Aker posted stronger numbers in ERA (3.28 vs 7.2) and WHIP (1.369 vs 1.600). By the career numbers, Jack Aker had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.

Pitching Stats for Jack Aker and John Perkovich

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
John Perkovich
Career
Per 9 Innings
1
1
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
John Perkovich
Career
Per 9 Innings
1
1.8
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
47
0.57
John Perkovich
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
45
0.54
John Perkovich
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
51.09
51.09
John Perkovich
Career
Per 9 Innings
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
123
1.48
John Perkovich
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Inningsverified
272
3.28
John Perkovich
Careerverified
Per 9 Innings
4
7.2
Jack Aker
Careerverified
Per 9 Inningsverified
3.28
3.28
John Perkovich
Career
Per 9 Innings
7.2
7.2
Jack Aker
Careerverified
Per 9 Inningsverified
3.45
3.45
John Perkovich
Career
Per 9 Innings
9.27
9.27
Jack Aker
Careerverified
Per 9 Inningsverified
4.29
4.29
John Perkovich
Career
Per 9 Innings
10.2
10.2
Jack Aker
Careerverified
Per 9 Inningsverified
0.244
0.244
John Perkovich
Career
Per 9 Innings
0.318
0.318
Jack Aker
Careerverified
Per 9 Innings
2238
27
John Perkovich
Career
Per 9 Innings
15
27
Jack Aker
Careerverified
Per 9 Innings
746
9
John Perkovich
Career
Per 9 Innings
5
9
Jack Aker
Career
Per 9 Inningsverified
679
8.19
John Perkovich
Careerverified
Per 9 Innings
7
12.6
Jack Aker
Careerverified
Per 9 Inningsverified
8.19
8.19
John Perkovich
Career
Per 9 Innings
12.6
12.6
Jack Aker
Career
Per 9 Inningsverified
64
0.77
John Perkovich
Careerverified
Per 9 Innings
3
5.4
Jack Aker
Careerverified
Per 9 Inningsverified
0.77
0.77
John Perkovich
Career
Per 9 Innings
5.4
5.4
Jack Aker
Careerverified
Per 9 Inningsverified
0.13
0.13
John Perkovich
Career
Per 9 Innings
3
3
Jack Aker
Career
Per 9 Innings
274
3.31
John Perkovich
Careerverified
Per 9 Inningsverified
1
1.8
Jack Aker
Career
Per 9 Innings
68
0.82
John Perkovich
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Career
Per 9 Innings
3.31
3.31
John Perkovich
Careerverified
Per 9 Inningsverified
1.8
1.8
Jack Aker
Careerverified
Per 9 Innings
404
4.87
John Perkovich
Career
Per 9 Inningsverified
3
5.4
Jack Aker
Career
Per 9 Innings
4.87
4.87
John Perkovich
Careerverified
Per 9 Inningsverified
5.4
5.4
Jack Aker
Career
Per 9 Innings
0.82
0.82
John Perkovich
Careerverified
Per 9 Inningsverified
3
3
Jack Aker
Careerverified
Per 9 Inningsverified
0.909
0.909
John Perkovich
Career
Per 9 Innings
0.8
0.8
Jack Aker
Career
Per 9 Innings
13
0.16
John Perkovich
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Career
Per 9 Innings
40
0.48
John Perkovich
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Innings
3144
37.93
John Perkovich
Career
Per 9 Inningsverified
23
41.4
Jack Aker
Careerverified
Per 9 Inningsverified
321
3.87
John Perkovich
Career
Per 9 Innings
1
1.8
Jack Aker
Career
Per 9 Inningsverified
312
3.76
John Perkovich
Careerverified
Per 9 Innings
4
7.2
Jack Aker
Careerverified
Per 9 Inningsverified
3.76
3.76
John Perkovich
Career
Per 9 Innings
7.2
7.2
Jack Aker
Career
Per 9 Innings
32
0.39
John Perkovich
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Career
Per 9 Innings
12
0.14
John Perkovich
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
19
0.23
John Perkovich
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
1.278
1.278
John Perkovich
Career
Per 9 Innings
1.6
1.6
Jack Aker
Careerverified
Per 9 Innings
2786
33.61
John Perkovich
Career
Per 9 Inningsverified
22
39.6
Jack Aker
Careerverified
Per 9 Inningsverified
0.63
0.63
John Perkovich
Career
Per 9 Innings
4
4
Jack Aker
Career
Per 9 Innings
0.265
0.265
John Perkovich
Careerverified
Per 9 Inningsverified
0.25
0.25
Jack Aker
Career
Per 9 Innings
37.93
37.93
John Perkovich
Careerverified
Per 9 Inningsverified
41.4
41.4

Fielding Stats for Jack Aker and John Perkovich

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
John Perkovich
Career
Per 9 Innings
1
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
John Perkovich
Career
Per 9 Innings
1
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Careerverified
Per 9 Inningsverified
2240
27
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Careerverified
Per 9 Inningsverified
746.2
9
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Careerverified
Per 9 Inningsverified
65
0.78
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Careerverified
Per 9 Inningsverified
167
2.01
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Career
Per 9 Innings
8
0.1
John Perkovich
Careerverified
Per 9 Inningsverified
0
Jack Aker
Careerverified
Per 9 Inningsverified
240
2.89
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Careerverified
Per 9 Inningsverified
232
2.8
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Careerverified
Per 9 Inningsverified
96.67
96.67
John Perkovich
Career
Per 9 Innings
Jack Aker
Careerverified
Per 9 Inningsverified
0.469
0.469
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Careerverified
Per 9 Inningsverified
20
0.24
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0
Jack Aker
Career
Per 9 Innings
0
0
John Perkovich
Career
Per 9 Innings
0

Hitting Stats for Jack Aker and John Perkovich

Jack Aker
Careerverified
Per 600 PAverified
11
11
John Perkovich
Career
Per 600 PA
1
1
Jack Aker
Careerverified
Per 600 PAverified
496
2861.54
John Perkovich
Career
Per 600 PA
1
600
Jack Aker
Careerverified
Per 600 PA
104
600
John Perkovich
Career
Per 600 PA
1
600
Jack Aker
Careerverified
Per 600 PA
92
530.77
John Perkovich
Career
Per 600 PAverified
1
600
Jack Aker
Careerverified
Per 600 PAverified
0.076
0.076
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.279
0.279
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
7
40.38
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
5
28.85
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
2
11.54
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
2
11.54
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.286
0.286
John Perkovich
Career
Per 600 PA
Jack Aker
Career
Per 600 PA
0
0
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
John Perkovich
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
0.81
4.66
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
9
51.92
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
9
51.92
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.096
0.096
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.098
0.098
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.194
0.194
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.022
0.022
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.068
0.068
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.128
0.128
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
0.171
0.171
John Perkovich
Career
Per 600 PA
Jack Aker
Careerverified
Per 600 PAverified
3
17.31
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
4
23.08
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
7
40.38
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PAverified
-4.13
-23.83
John Perkovich
Careerverified
Per 600 PA
-0.11
-66.4
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PAverified
51
294.23
John Perkovich
Careerverified
Per 600 PA
1
600
Jack Aker
Careerverified
Per 600 PAverified
2.04
2.04
John Perkovich
Career
Per 600 PA
1
1
Jack Aker
Careerverified
Per 600 PAverified
0.02
0.02
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
10
57.69
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
John Perkovich
Careerverified
Per 600 PAverified
0
0
Jack Aker
Career
Per 600 PA
0
0
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
John Perkovich
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
John Perkovich
Career
Per 600 PA