Jack Aker vs. Jim O'Toole — Career Comparison

Jack Aker
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaKansas City AthleticsAmerican LeagueRelief Pitcher
Jim O'Toole
Silent GenerationIllinoisThrows LeftBats SwitchNorth AmericaCincinnati RedsNational LeagueStarting PitcherAll-Star

Jim O'Toole 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. Jim O'Toole led in home run suppression (HR9+ 105 vs 76), strikeout rate (K%+ 97 vs 86), and skill-based run prevention (DICE+ 97 vs 88). Jack Aker held the edge in walk avoidance (BB%+ 100 vs 89). Role difference aside, Jim O'Toole holds a clear edge on every meaningful shared measure.

Pitching Stats for Jack Aker and Jim O'Toole

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Jim O'Toole
Career
Per 9 Innings
10
10
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Jim O'Toole
Career
Per 9 Innings
270
1.5
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Careerverified
Per 9 Inningsverified
238
1.33
Jack Aker
Career
Per 9 Inningsverified
47
0.57
Jim O'Toole
Careerverified
Per 9 Innings
98
0.55
Jack Aker
Careerverified
Per 9 Innings
45
0.54
Jim O'Toole
Career
Per 9 Inningsverified
84
0.47
Jack Aker
Career
Per 9 Innings
51.09
51.09
Jim O'Toole
Careerverified
Per 9 Inningsverified
53.85
53.85
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Careerverified
Per 9 Inningsverified
88.15
88.15
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Careerverified
Per 9 Inningsverified
58
0.32
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Careerverified
Per 9 Inningsverified
18
0.1
Jack Aker
Careerverified
Per 9 Inningsverified
123
1.48
Jim O'Toole
Career
Per 9 Innings
4
0.02
Jack Aker
Careerverified
Per 9 Inningsverified
272
3.28
Jim O'Toole
Career
Per 9 Innings
640
3.57
Jack Aker
Careerverified
Per 9 Inningsverified
3.28
3.28
Jim O'Toole
Career
Per 9 Innings
3.57
3.57
Jack Aker
Career
Per 9 Innings
3.45
3.45
Jim O'Toole
Careerverified
Per 9 Inningsverified
3.44
3.44
Jack Aker
Career
Per 9 Innings
4.29
4.29
Jim O'Toole
Careerverified
Per 9 Inningsverified
3.73
3.73
Jack Aker
Careerverified
Per 9 Inningsverified
0.244
0.244
Jim O'Toole
Career
Per 9 Innings
0.247
0.247
Jack Aker
Career
Per 9 Innings
2238
27
Jim O'Toole
Careerverified
Per 9 Innings
4846
27
Jack Aker
Career
Per 9 Innings
746
9
Jim O'Toole
Careerverified
Per 9 Innings
1615.1
9
Jack Aker
Careerverified
Per 9 Inningsverified
679
8.19
Jim O'Toole
Career
Per 9 Innings
1545
8.61
Jack Aker
Careerverified
Per 9 Inningsverified
8.19
8.19
Jim O'Toole
Career
Per 9 Innings
8.61
8.61
Jack Aker
Careerverified
Per 9 Innings
64
0.77
Jim O'Toole
Career
Per 9 Inningsverified
119
0.66
Jack Aker
Career
Per 9 Innings
0.77
0.77
Jim O'Toole
Careerverified
Per 9 Inningsverified
0.66
0.66
Jack Aker
Careerverified
Per 9 Inningsverified
0.13
0.13
Jim O'Toole
Career
Per 9 Innings
0.44
0.44
Jack Aker
Careerverified
Per 9 Innings
274
3.31
Jim O'Toole
Career
Per 9 Inningsverified
546
3.04
Jack Aker
Career
Per 9 Innings
68
0.82
Jim O'Toole
Careerverified
Per 9 Inningsverified
40
0.22
Jack Aker
Career
Per 9 Innings
3.31
3.31
Jim O'Toole
Careerverified
Per 9 Inningsverified
3.04
3.04
Jack Aker
Career
Per 9 Innings
404
4.87
Jim O'Toole
Careerverified
Per 9 Inningsverified
1039
5.79
Jack Aker
Career
Per 9 Innings
4.87
4.87
Jim O'Toole
Careerverified
Per 9 Inningsverified
5.79
5.79
Jack Aker
Career
Per 9 Innings
0.82
0.82
Jim O'Toole
Careerverified
Per 9 Inningsverified
3.85
3.85
Jack Aker
Career
Per 9 Innings
0.909
0.909
Jim O'Toole
Careerverified
Per 9 Inningsverified
0.981
0.981
Jack Aker
Careerverified
Per 9 Inningsverified
13
0.16
Jim O'Toole
Career
Per 9 Innings
42
0.23
Jack Aker
Career
Per 9 Innings
40
0.48
Jim O'Toole
Careerverified
Per 9 Inningsverified
26
0.14
Jack Aker
Careerverified
Per 9 Inningsverified
0
0
Jim O'Toole
Career
Per 9 Innings
11
0.06
Jack Aker
Career
Per 9 Innings
3144
37.93
Jim O'Toole
Careerverified
Per 9 Inningsverified
6824
38.02
Jack Aker
Careerverified
Per 9 Inningsverified
321
3.87
Jim O'Toole
Career
Per 9 Innings
12
0.07
Jack Aker
Careerverified
Per 9 Inningsverified
312
3.76
Jim O'Toole
Career
Per 9 Innings
730
4.07
Jack Aker
Careerverified
Per 9 Inningsverified
3.76
3.76
Jim O'Toole
Career
Per 9 Innings
4.07
4.07
Jack Aker
Career
Per 9 Innings
32
0.39
Jim O'Toole
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Career
Per 9 Innings
12
0.14
Jim O'Toole
Careerverified
Per 9 Inningsverified
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
19
0.23
Jim O'Toole
Career
Per 9 Innings
0
0
Jack Aker
Careerverified
Per 9 Inningsverified
1.278
1.278
Jim O'Toole
Career
Per 9 Innings
1.295
1.295
Jack Aker
Career
Per 9 Innings
2786
33.61
Jim O'Toole
Careerverified
Per 9 Inningsverified
6252
34.83
Jack Aker
Careerverified
Per 9 Inningsverified
0.63
0.63
Jim O'Toole
Career
Per 9 Innings
2.7
2.7
Jack Aker
Careerverified
Per 9 Inningsverified
0.265
0.265
Jim O'Toole
Career
Per 9 Innings
0.28
0.28
Jack Aker
Career
Per 9 Innings
37.93
37.93
Jim O'Toole
Careerverified
Per 9 Inningsverified
38.02
38.02

Fielding Stats for Jack Aker and Jim O'Toole

Jack Aker
Careerverified
Per 9 Inningsverified
11
11
Jim O'Toole
Career
Per 9 Innings
10
10
Jack Aker
Careerverified
Per 9 Inningsverified
495
5.97
Jim O'Toole
Career
Per 9 Innings
270
1.5
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Careerverified
Per 9 Inningsverified
238
1.33
Jack Aker
Career
Per 9 Innings
2240
27
Jim O'Toole
Careerverified
Per 9 Innings
4846
27
Jack Aker
Career
Per 9 Innings
746.2
9
Jim O'Toole
Careerverified
Per 9 Innings
1615.1
9
Jack Aker
Career
Per 9 Inningsverified
65
0.78
Jim O'Toole
Careerverified
Per 9 Innings
80
0.45
Jack Aker
Career
Per 9 Inningsverified
167
2.01
Jim O'Toole
Careerverified
Per 9 Innings
223
1.24
Jack Aker
Careerverified
Per 9 Inningsverified
8
0.1
Jim O'Toole
Career
Per 9 Innings
20
0.11
Jack Aker
Career
Per 9 Inningsverified
240
2.89
Jim O'Toole
Careerverified
Per 9 Innings
323
1.8
Jack Aker
Career
Per 9 Inningsverified
232
2.8
Jim O'Toole
Careerverified
Per 9 Innings
303
1.69
Jack Aker
Careerverified
Per 9 Inningsverified
96.67
96.67
Jim O'Toole
Career
Per 9 Innings
93.81
93.81
Jack Aker
Career
Per 9 Innings
0.469
0.469
Jim O'Toole
Careerverified
Per 9 Inningsverified
1.122
1.122
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Careerverified
Per 9 Inningsverified
88.15
88.15
Jack Aker
Careerverified
Per 9 Inningsverified
20
0.24
Jim O'Toole
Career
Per 9 Innings
10
0.06
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Career
Per 9 Innings
0
0
Jack Aker
Career
Per 9 Innings
0
0
Jim O'Toole
Career
Per 9 Innings
0
0

Hitting Stats for Jack Aker and Jim O'Toole

Jack Aker
Careerverified
Per 600 PAverified
11
11
Jim O'Toole
Career
Per 600 PA
10
10
Jack Aker
Careerverified
Per 600 PAverified
496
2861.54
Jim O'Toole
Career
Per 600 PA
271
273.28
Jack Aker
Career
Per 600 PA
104
600
Jim O'Toole
Careerverified
Per 600 PA
595
600
Jack Aker
Career
Per 600 PA
92
530.77
Jim O'Toole
Careerverified
Per 600 PAverified
538
542.52
Jack Aker
Career
Per 600 PA
0.076
0.076
Jim O'Toole
Careerverified
Per 600 PAverified
0.125
0.125
Jack Aker
Career
Per 600 PA
0.279
0.279
Jim O'Toole
Careerverified
Per 600 PAverified
0.348
0.348
Jack Aker
Career
Per 600 PA
7
40.38
Jim O'Toole
Careerverified
Per 600 PAverified
67
67.56
Jack Aker
Career
Per 600 PA
5
28.85
Jim O'Toole
Careerverified
Per 600 PAverified
64
64.54
Jack Aker
Career
Per 600 PAverified
2
11.54
Jim O'Toole
Career
Per 600 PA
2
2.02
Jack Aker
Career
Per 600 PA
0
0
Jim O'Toole
Careerverified
Per 600 PAverified
1
1.01
Jack Aker
Career
Per 600 PA
0
0
Jim O'Toole
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PAverified
2
11.54
Jim O'Toole
Careerverified
Per 600 PA
3
3.03
Jack Aker
Careerverified
Per 600 PAverified
0.286
0.286
Jim O'Toole
Career
Per 600 PA
0.045
0.045
Jack Aker
Career
Per 600 PA
0
0
Jim O'Toole
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Jim O'Toole
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0.81
4.66
Jim O'Toole
Careerverified
Per 600 PAverified
9.83
9.92
Jack Aker
Career
Per 600 PA
9
51.92
Jim O'Toole
Careerverified
Per 600 PAverified
71
71.6
Jack Aker
Career
Per 600 PA
9
51.92
Jim O'Toole
Careerverified
Per 600 PAverified
89
89.75
Jack Aker
Career
Per 600 PA
0.096
0.096
Jim O'Toole
Careerverified
Per 600 PAverified
0.159
0.159
Jack Aker
Career
Per 600 PA
0.098
0.098
Jim O'Toole
Careerverified
Per 600 PAverified
0.132
0.132
Jack Aker
Career
Per 600 PA
0.194
0.194
Jim O'Toole
Careerverified
Per 600 PAverified
0.291
0.291
Jack Aker
Careerverified
Per 600 PAverified
0.022
0.022
Jim O'Toole
Career
Per 600 PA
0.008
0.008
Jack Aker
Career
Per 600 PA
0.068
0.068
Jim O'Toole
Careerverified
Per 600 PAverified
0.105
0.105
Jack Aker
Career
Per 600 PA
0.128
0.128
Jim O'Toole
Careerverified
Per 600 PAverified
0.196
0.196
Jack Aker
Career
Per 600 PA
0.171
0.171
Jim O'Toole
Careerverified
Per 600 PAverified
0.199
0.199
Jack Aker
Career
Per 600 PA
3
17.31
Jim O'Toole
Careerverified
Per 600 PAverified
25
25.21
Jack Aker
Career
Per 600 PAverified
4
23.08
Jim O'Toole
Careerverified
Per 600 PA
21
21.18
Jack Aker
Career
Per 600 PA
7
40.38
Jim O'Toole
Careerverified
Per 600 PAverified
46
46.39
Jack Aker
Career
Per 600 PA
-4.13
-23.83
Jim O'Toole
Careerverified
Per 600 PAverified
-3.99
-4.03
Jack Aker
Career
Per 600 PAverified
1
5.77
Jim O'Toole
Careerverified
Per 600 PA
2
2.02
Jack Aker
Career
Per 600 PA
1
5.77
Jim O'Toole
Careerverified
Per 600 PAverified
20
20.17
Jack Aker
Career
Per 600 PA
0
0
Jim O'Toole
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PA
51
294.23
Jim O'Toole
Career
Per 600 PAverified
202
203.7
Jack Aker
Career
Per 600 PA
2.04
2.04
Jim O'Toole
Careerverified
Per 600 PAverified
2.95
2.95
Jack Aker
Career
Per 600 PA
0.02
0.02
Jim O'Toole
Careerverified
Per 600 PAverified
0.1
0.1
Jack Aker
Career
Per 600 PAverified
10
57.69
Jim O'Toole
Careerverified
Per 600 PA
35
35.29
Jack Aker
Career
Per 600 PA
0
0
Jim O'Toole
Career
Per 600 PA
0
0
Jack Aker
Careerverified
Per 600 PAverified
1
5.77
Jim O'Toole
Career
Per 600 PA
9
9.08
Jack Aker
Career
Per 600 PA
0
0
Jim O'Toole
Careerverified
Per 600 PAverified
1
1.01
Jack Aker
Career
Per 600 PA
0
0
Jim O'Toole
Career
Per 600 PA
0
0
Jack Aker
Career
Per 600 PA
0
0
Jim O'Toole
Careerverified
Per 600 PAverified
1
1.01
Jack Aker
Career
Per 600 PA
Jim O'Toole
Careerverified
Per 600 PAverified
100
100