Bill Killefer vs. Jack O'Brien — Career Comparison

Bill Killefer
Lost GenerationMichiganThrows RightBats RightNorth AmericaPhiladelphia PhilliesNational LeagueCatcher
Jack O'Brien
Pre-GenerationalPennsylvaniaThrows RightBats RightNorth AmericaPhiladelphia AthleticsAmerican AssociationCatcher

On the career numbers, Jack O'Brien posted the stronger offensive profile against Bill Killefer. Jack O'Brien posted stronger numbers in OPS (.700 vs .555) and on-base percentage (.331 vs .273). By the career numbers, Jack O'Brien had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.

Hitting Stats for Bill Killefer and Jack O'Brien

Bill Killefer
Careerverified
Per 600 PAverified
13
13
Jack O'Brien
Career
Per 600 PA
8
8
Bill Killefer
Careerverified
Per 600 PAverified
1035
182.65
Jack O'Brien
Career
Per 600 PA
555
139.92
Bill Killefer
Careerverified
Per 600 PA
3400
600
Jack O'Brien
Career
Per 600 PA
2380
600
Bill Killefer
Careerverified
Per 600 PAverified
3150
555.88
Jack O'Brien
Career
Per 600 PA
2169
546.81
Bill Killefer
Career
Per 600 PA
0.238
0.238
Jack O'Brien
Careerverified
Per 600 PAverified
0.266
0.266
Bill Killefer
Career
Per 600 PA
0.586
0.586
Jack O'Brien
Careerverified
Per 600 PAverified
0.736
0.736
Bill Killefer
Careerverified
Per 600 PA
751
132.53
Jack O'Brien
Career
Per 600 PAverified
577
145.46
Bill Killefer
Careerverified
Per 600 PAverified
640
112.94
Jack O'Brien
Career
Per 600 PA
418
105.38
Bill Killefer
Career
Per 600 PA
86
15.18
Jack O'Brien
Careerverified
Per 600 PAverified
106
26.72
Bill Killefer
Career
Per 600 PA
21
3.71
Jack O'Brien
Careerverified
Per 600 PAverified
42
10.59
Bill Killefer
Career
Per 600 PA
4
0.71
Jack O'Brien
Careerverified
Per 600 PAverified
11
2.77
Bill Killefer
Career
Per 600 PA
111
19.59
Jack O'Brien
Careerverified
Per 600 PAverified
159
40.08
Bill Killefer
Career
Per 600 PA
0.148
0.148
Jack O'Brien
Careerverified
Per 600 PAverified
0.276
0.276
Bill Killefer
Career
Per 600 PA
0.001
0.001
Jack O'Brien
Careerverified
Per 600 PAverified
0.005
0.005
Bill Killefer
Career
Per 600 PA
0.005
0.005
Jack O'Brien
Careerverified
Per 600 PAverified
0.019
0.019
Bill Killefer
Career
Per 600 PA
249.59
44.04
Jack O'Brien
Careerverified
Per 600 PAverified
294.26
74.18
Bill Killefer
Careerverified
Per 600 PA
891
157.24
Jack O'Brien
Career
Per 600 PAverified
800
201.68
Bill Killefer
Careerverified
Per 600 PA
899
158.65
Jack O'Brien
Career
Per 600 PAverified
788
198.66
Bill Killefer
Career
Per 600 PA
0.273
0.273
Jack O'Brien
Careerverified
Per 600 PAverified
0.331
0.331
Bill Killefer
Career
Per 600 PA
0.283
0.283
Jack O'Brien
Careerverified
Per 600 PAverified
0.369
0.369
Bill Killefer
Career
Per 600 PA
0.556
0.556
Jack O'Brien
Careerverified
Per 600 PAverified
0.7
0.7
Bill Killefer
Career
Per 600 PA
0.045
0.045
Jack O'Brien
Careerverified
Per 600 PAverified
0.103
0.103
Bill Killefer
Career
Per 600 PA
0.193
0.193
Jack O'Brien
Careerverified
Per 600 PAverified
0.241
0.241
Bill Killefer
Career
Per 600 PA
0.448
0.448
Jack O'Brien
Careerverified
Per 600 PAverified
0.683
0.683
Bill Killefer
Career
Per 600 PA
0.25
0.25
Jack O'Brien
Careerverified
Per 600 PAverified
0.266
0.266
Bill Killefer
Career
Per 600 PA
237
41.82
Jack O'Brien
Careerverified
Per 600 PAverified
366
92.27
Bill Killefer
Career
Per 600 PA
240
42.35
Jack O'Brien
Careerverified
Per 600 PAverified
308
77.65
Bill Killefer
Career
Per 600 PA
473
83.47
Jack O'Brien
Careerverified
Per 600 PAverified
663
167.14
Bill Killefer
Career
Per 600 PA
291.12
51.37
Jack O'Brien
Careerverified
Per 600 PAverified
318.06
80.18
Bill Killefer
Careerverified
Per 600 PA
35
6.18
Jack O'Brien
Career
Per 600 PAverified
31
7.82
Bill Killefer
Career
Per 600 PA
113
19.94
Jack O'Brien
Careerverified
Per 600 PAverified
180
45.38
Bill Killefer
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Bill Killefer
Career
Per 600 PA
159
28.06
Jack O'Brien
Careerverified
Per 600 PAverified
31
7.82
Bill Killefer
Career
Per 600 PA
21.38
21.38
Jack O'Brien
Careerverified
Per 600 PAverified
76.77
76.77
Bill Killefer
Career
Per 600 PA
0.71
0.71
Jack O'Brien
Careerverified
Per 600 PAverified
5.81
5.81
Bill Killefer
Careerverified
Per 600 PAverified
102
18
Jack O'Brien
Career
Per 600 PA
0
0
Bill Killefer
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Bill Killefer
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Bill Killefer
Career
Per 600 PA
39
6.88
Jack O'Brien
Careerverified
Per 600 PAverified
76
19.16
Bill Killefer
Careerverified
Per 600 PAverified
8
1.41
Jack O'Brien
Career
Per 600 PA
0
0
Bill Killefer
Career
Per 600 PA
47
8.29
Jack O'Brien
Careerverified
Per 600 PAverified
76
19.16
Bill Killefer
Career
Per 600 PA
82.98
82.98
Jack O'Brien
Careerverified
Per 600 PAverified
100
100

Fielding Stats for Bill Killefer and Jack O'Brien

Bill Killefer
Careerverified
Per 9 Inningsverified
13
13
Jack O'Brien
Career
Per 9 Innings
8
8
Bill Killefer
Careerverified
Per 9 Inningsverified
1007
14.86
Jack O'Brien
Career
Per 9 Innings
573
1.1
Bill Killefer
Careerverified
Per 9 Inningsverified
72
1.06
Jack O'Brien
Career
Per 9 Innings
0
0
Bill Killefer
Career
Per 9 Innings
1830
27
Jack O'Brien
Careerverified
Per 9 Innings
14076
27
Bill Killefer
Career
Per 9 Innings
610
9
Jack O'Brien
Careerverified
Per 9 Innings
4692
9
Bill Killefer
Careerverified
Per 9 Inningsverified
4833
71.31
Jack O'Brien
Career
Per 9 Innings
2908
5.58
Bill Killefer
Careerverified
Per 9 Inningsverified
1319
19.46
Jack O'Brien
Career
Per 9 Innings
619
1.19
Bill Killefer
Careerverified
Per 9 Innings
148
2.18
Jack O'Brien
Career
Per 9 Inningsverified
311
0.6
Bill Killefer
Careerverified
Per 9 Inningsverified
6300
92.95
Jack O'Brien
Career
Per 9 Innings
3838
7.36
Bill Killefer
Careerverified
Per 9 Inningsverified
6152
90.77
Jack O'Brien
Career
Per 9 Innings
3527
6.77
Bill Killefer
Careerverified
Per 9 Inningsverified
97.65
97.65
Jack O'Brien
Career
Per 9 Innings
91.9
91.9
Bill Killefer
Career
Per 9 Innings
6.109
6.109
Jack O'Brien
Careerverified
Per 9 Inningsverified
6.155
6.155
Bill Killefer
Careerverified
Per 9 Inningsverified
7.15
7.15
Jack O'Brien
Career
Per 9 Innings
0
0
Bill Killefer
Careerverified
Per 9 Inningsverified
129
1.9
Jack O'Brien
Career
Per 9 Innings
128
0.25
Bill Killefer
Careerverified
Per 9 Innings
58
0.86
Jack O'Brien
Career
Per 9 Inningsverified
279
0.54
Bill Killefer
Career
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
0
0
Bill Killefer
Career
Per 9 Innings
133
1.96
Jack O'Brien
Careerverified
Per 9 Inningsverified
2
0
Bill Killefer
Careerverified
Per 9 Inningsverified
100
1.48
Jack O'Brien
Career
Per 9 Innings
2
0