Jack Aker vs. Jack O'Brien — Career Comparison

You might be looking for a matchup, check Jack Aker's matchup page instead!

Jack Aker
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City AthleticsAmerican LeagueRelief Pitcher
Jack O'Brien
Pre-GenerationalPennsylvaniaThrows RightBats RightNorth AmericaPhiladelphia AthleticsAmerican AssociationCatcher

Jack O'Brien is a position player and Jack Aker a pitcher — the stats that define each role measure entirely different things, so a direct comparison doesn't hold up. If Jack O'Brien ever faced Jack Aker, check out their matchup page.

Fielding Stats for Jack Aker and Jack O'Brien

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Jack O'Brien
Career
Per 9 Innings
8
8
Jack Aker
Career
Per 9 Inningsverified
495
5.97
Jack O'Brien
Careerverified
Per 9 Innings
573
1.1
Jack Aker
Career
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
2240
27
Jack O'Brien
Careerverified
Per 9 Innings
14076
27
Jack Aker
Career
Per 9 Innings
746.2
9
Jack O'Brien
Careerverified
Per 9 Innings
4692
9
Jack Aker
Career
Per 9 Innings
65
0.78
Jack O'Brien
Careerverified
Per 9 Inningsverified
2908
5.58
Jack Aker
Career
Per 9 Inningsverified
167
2.01
Jack O'Brien
Careerverified
Per 9 Innings
619
1.19
Jack Aker
Careerverified
Per 9 Inningsverified
8
0.1
Jack O'Brien
Career
Per 9 Innings
311
0.6
Jack Aker
Career
Per 9 Innings
240
2.89
Jack O'Brien
Careerverified
Per 9 Inningsverified
3838
7.36
Jack Aker
Career
Per 9 Innings
232
2.8
Jack O'Brien
Careerverified
Per 9 Inningsverified
3527
6.77
Jack Aker
Careerverified
Per 9 Inningsverified
96.67
96.67
Jack O'Brien
Career
Per 9 Innings
91.9
91.9
Jack Aker
Career
Per 9 Innings
0.469
0.469
Jack O'Brien
Careerverified
Per 9 Inningsverified
6.155
6.155
Jack Aker
Career
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
20
0.24
Jack O'Brien
Careerverified
Per 9 Inningsverified
128
0.25
Jack Aker
Careerverified
Per 9 Inningsverified
0
0
Jack O'Brien
Career
Per 9 Innings
279
0.54
Jack Aker
Career
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
2
0
Jack Aker
Career
Per 9 Innings
0
0
Jack O'Brien
Careerverified
Per 9 Innings
2
0

Hitting Stats for Jack Aker and Jack O'Brien

Jack Aker
Careerverified
Per 600 PAverified
11
11
Jack O'Brien
Career
Per 600 PA
8
8
Jack Aker
Career
Per 600 PAverified
496
2861.54
Jack O'Brien
Careerverified
Per 600 PA
555
139.92
Jack Aker
Career
Per 600 PA
104
600
Jack O'Brien
Careerverified
Per 600 PA
2380
600
Jack Aker
Career
Per 600 PA
92
530.77
Jack O'Brien
Careerverified
Per 600 PAverified
2169
546.81
Jack Aker
Career
Per 600 PA
0.076
0.076
Jack O'Brien
Careerverified
Per 600 PAverified
0.266
0.266
Jack Aker
Career
Per 600 PA
0.279
0.279
Jack O'Brien
Careerverified
Per 600 PAverified
0.736
0.736
Jack Aker
Career
Per 600 PA
7
40.38
Jack O'Brien
Careerverified
Per 600 PAverified
577
145.46
Jack Aker
Career
Per 600 PA
5
28.85
Jack O'Brien
Careerverified
Per 600 PAverified
418
105.38
Jack Aker
Career
Per 600 PA
2
11.54
Jack O'Brien
Careerverified
Per 600 PAverified
106
26.72
Jack Aker
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
42
10.59
Jack Aker
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
11
2.77
Jack Aker
Career
Per 600 PA
2
11.54
Jack O'Brien
Careerverified
Per 600 PAverified
159
40.08
Jack Aker
Careerverified
Per 600 PAverified
0.286
0.286
Jack O'Brien
Career
Per 600 PA
0.276
0.276
Jack Aker
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
0.005
0.005
Jack Aker
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
0.019
0.019
Jack Aker
Career
Per 600 PA
0.81
4.66
Jack O'Brien
Careerverified
Per 600 PAverified
294.26
74.18
Jack Aker
Career
Per 600 PA
9
51.92
Jack O'Brien
Careerverified
Per 600 PAverified
800
201.68
Jack Aker
Career
Per 600 PA
9
51.92
Jack O'Brien
Careerverified
Per 600 PAverified
788
198.66
Jack Aker
Career
Per 600 PA
0.096
0.096
Jack O'Brien
Careerverified
Per 600 PAverified
0.331
0.331
Jack Aker
Career
Per 600 PA
0.098
0.098
Jack O'Brien
Careerverified
Per 600 PAverified
0.369
0.369
Jack Aker
Career
Per 600 PA
0.194
0.194
Jack O'Brien
Careerverified
Per 600 PAverified
0.7
0.7
Jack Aker
Career
Per 600 PA
0.022
0.022
Jack O'Brien
Careerverified
Per 600 PAverified
0.103
0.103
Jack Aker
Career
Per 600 PA
0.068
0.068
Jack O'Brien
Careerverified
Per 600 PAverified
0.241
0.241
Jack Aker
Career
Per 600 PA
0.128
0.128
Jack O'Brien
Careerverified
Per 600 PAverified
0.683
0.683
Jack Aker
Career
Per 600 PA
0.171
0.171
Jack O'Brien
Careerverified
Per 600 PAverified
0.266
0.266
Jack Aker
Career
Per 600 PA
3
17.31
Jack O'Brien
Careerverified
Per 600 PAverified
366
92.27
Jack Aker
Career
Per 600 PA
4
23.08
Jack O'Brien
Careerverified
Per 600 PAverified
308
77.65
Jack Aker
Career
Per 600 PA
7
40.38
Jack O'Brien
Careerverified
Per 600 PAverified
663
167.14
Jack Aker
Career
Per 600 PA
-4.13
-23.83
Jack O'Brien
Careerverified
Per 600 PAverified
318.06
80.18
Jack Aker
Career
Per 600 PA
1
5.77
Jack O'Brien
Careerverified
Per 600 PAverified
31
7.82
Jack Aker
Career
Per 600 PA
1
5.77
Jack O'Brien
Careerverified
Per 600 PAverified
180
45.38
Jack Aker
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
51
294.23
Jack O'Brien
Careerverified
Per 600 PAverified
31
7.82
Jack Aker
Career
Per 600 PA
2.04
2.04
Jack O'Brien
Careerverified
Per 600 PAverified
76.77
76.77
Jack Aker
Career
Per 600 PA
0.02
0.02
Jack O'Brien
Careerverified
Per 600 PAverified
5.81
5.81
Jack Aker
Careerverified
Per 600 PAverified
10
57.69
Jack O'Brien
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
Jack O'Brien
Careerverified
Per 600 PAverified
0
0
Jack Aker
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
76
19.16
Jack Aker
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
76
19.16
Jack Aker
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
100
100