Jack Aker vs. Tom 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
Tom O'Brien
Pre-GenerationalPennsylvaniaNorth AmericaPittsburgh PiratesNational LeagueLeft Fielder

Tom 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 Tom O'Brien ever faced Jack Aker, check out their matchup page.

Fielding Stats for Jack Aker and Tom O'Brien

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Tom O'Brien
Career
Per 9 Innings
4
4
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Tom O'Brien
Career
Per 9 Innings
423
1.08
Jack Aker
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
2240
27
Tom O'Brien
Careerverified
Per 9 Innings
10578
27
Jack Aker
Career
Per 9 Innings
746.2
9
Tom O'Brien
Careerverified
Per 9 Innings
3526
9
Jack Aker
Career
Per 9 Innings
65
0.78
Tom O'Brien
Careerverified
Per 9 Inningsverified
1635
4.17
Jack Aker
Career
Per 9 Inningsverified
167
2.01
Tom O'Brien
Careerverified
Per 9 Innings
183
0.47
Jack Aker
Careerverified
Per 9 Inningsverified
8
0.1
Tom O'Brien
Career
Per 9 Innings
112
0.29
Jack Aker
Career
Per 9 Innings
240
2.89
Tom O'Brien
Careerverified
Per 9 Inningsverified
1930
4.93
Jack Aker
Career
Per 9 Innings
232
2.8
Tom O'Brien
Careerverified
Per 9 Inningsverified
1818
4.64
Jack Aker
Careerverified
Per 9 Inningsverified
96.67
96.67
Tom O'Brien
Career
Per 9 Innings
94.2
94.2
Jack Aker
Career
Per 9 Innings
0.469
0.469
Tom O'Brien
Careerverified
Per 9 Inningsverified
4.298
4.298
Jack Aker
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Inningsverified
20
0.24
Tom O'Brien
Careerverified
Per 9 Innings
83
0.21
Jack Aker
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0

Hitting Stats for Jack Aker and Tom O'Brien

Jack Aker
Careerverified
Per 600 PAverified
11
11
Tom O'Brien
Career
Per 600 PA
4
4
Jack Aker
Careerverified
Per 600 PAverified
496
2861.54
Tom O'Brien
Career
Per 600 PA
428
146.16
Jack Aker
Career
Per 600 PA
104
600
Tom O'Brien
Careerverified
Per 600 PA
1757
600
Jack Aker
Career
Per 600 PA
92
530.77
Tom O'Brien
Careerverified
Per 600 PAverified
1573
537.17
Jack Aker
Career
Per 600 PA
0.076
0.076
Tom O'Brien
Careerverified
Per 600 PAverified
0.278
0.278
Jack Aker
Career
Per 600 PA
0.279
0.279
Tom O'Brien
Careerverified
Per 600 PAverified
0.747
0.747
Jack Aker
Career
Per 600 PA
7
40.38
Tom O'Brien
Careerverified
Per 600 PAverified
437
149.23
Jack Aker
Career
Per 600 PA
5
28.85
Tom O'Brien
Careerverified
Per 600 PAverified
343
117.13
Jack Aker
Career
Per 600 PA
2
11.54
Tom O'Brien
Careerverified
Per 600 PAverified
60
20.49
Jack Aker
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
24
8.2
Jack Aker
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
10
3.41
Jack Aker
Career
Per 600 PA
2
11.54
Tom O'Brien
Careerverified
Per 600 PAverified
94
32.1
Jack Aker
Careerverified
Per 600 PAverified
0.286
0.286
Tom O'Brien
Career
Per 600 PA
0.215
0.215
Jack Aker
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.006
0.006
Jack Aker
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.023
0.023
Jack Aker
Career
Per 600 PA
0.81
4.66
Tom O'Brien
Careerverified
Per 600 PAverified
217.27
74.2
Jack Aker
Career
Per 600 PA
9
51.92
Tom O'Brien
Careerverified
Per 600 PAverified
575
196.36
Jack Aker
Career
Per 600 PA
9
51.92
Tom O'Brien
Careerverified
Per 600 PAverified
588
200.8
Jack Aker
Career
Per 600 PA
0.096
0.096
Tom O'Brien
Careerverified
Per 600 PAverified
0.341
0.341
Jack Aker
Career
Per 600 PA
0.098
0.098
Tom O'Brien
Careerverified
Per 600 PAverified
0.366
0.366
Jack Aker
Career
Per 600 PA
0.194
0.194
Tom O'Brien
Careerverified
Per 600 PAverified
0.707
0.707
Jack Aker
Career
Per 600 PA
0.022
0.022
Tom O'Brien
Careerverified
Per 600 PAverified
0.088
0.088
Jack Aker
Career
Per 600 PA
0.068
0.068
Tom O'Brien
Careerverified
Per 600 PAverified
0.245
0.245
Jack Aker
Career
Per 600 PA
0.128
0.128
Tom O'Brien
Careerverified
Per 600 PAverified
0.688
0.688
Jack Aker
Career
Per 600 PA
0.171
0.171
Tom O'Brien
Careerverified
Per 600 PAverified
0.289
0.289
Jack Aker
Career
Per 600 PA
3
17.31
Tom O'Brien
Careerverified
Per 600 PAverified
249
85.03
Jack Aker
Career
Per 600 PA
4
23.08
Tom O'Brien
Careerverified
Per 600 PAverified
229
78.2
Jack Aker
Career
Per 600 PA
7
40.38
Tom O'Brien
Careerverified
Per 600 PAverified
468
159.82
Jack Aker
Career
Per 600 PA
-4.13
-23.83
Tom O'Brien
Careerverified
Per 600 PAverified
240.15
82.01
Jack Aker
Career
Per 600 PA
1
5.77
Tom O'Brien
Careerverified
Per 600 PAverified
31
10.59
Jack Aker
Career
Per 600 PA
1
5.77
Tom O'Brien
Careerverified
Per 600 PAverified
120
40.98
Jack Aker
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PA
51
294.23
Tom O'Brien
Career
Per 600 PAverified
87
29.71
Jack Aker
Career
Per 600 PA
2.04
2.04
Tom O'Brien
Careerverified
Per 600 PAverified
20.2
20.2
Jack Aker
Career
Per 600 PA
0.02
0.02
Tom O'Brien
Careerverified
Per 600 PAverified
1.38
1.38
Jack Aker
Career
Per 600 PAverified
10
57.69
Tom O'Brien
Careerverified
Per 600 PA
33
11.27
Jack Aker
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
1
5.77
Tom O'Brien
Careerverified
Per 600 PAverified
0
0
Jack Aker
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
55
18.78
Jack Aker
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
55
18.78
Jack Aker
Career
Per 600 PA
Tom O'Brien
Careerverified
Per 600 PAverified
100
100