Jack O'Brien vs. Buster Posey — Career Comparison

Jack O'Brien
Pre-GenerationalPennsylvaniaThrows RightBats RightNorth AmericaPhiladelphia AthleticsAmerican AssociationCatcher
Buster Posey
MillenialGeorgiaThrows RightBats RightNorth AmericaSan Francisco GiantsNational LeagueCatcherGold GloveSilver SluggerMVPRookie of the YearAll-Star

On the career numbers, Buster Posey posted the stronger offensive profile against Jack O'Brien. Buster Posey posted stronger numbers in OPS (.839 vs .700) and on-base percentage (.379 vs .331). By the career numbers, Buster Posey had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.

Hitting Stats for Jack O'Brien and Buster Posey

Jack O'Brien
Career
Per 600 PA
8
8
Buster Posey
Careerverified
Per 600 PAverified
12
12
Jack O'Brien
Career
Per 600 PA
555
139.92
Buster Posey
Careerverified
Per 600 PAverified
1371
146.71
Jack O'Brien
Career
Per 600 PA
2380
600
Buster Posey
Careerverified
Per 600 PA
5607
600
Jack O'Brien
Career
Per 600 PAverified
2169
546.81
Buster Posey
Careerverified
Per 600 PA
4970
531.84
Jack O'Brien
Career
Per 600 PA
0.266
0.266
Buster Posey
Careerverified
Per 600 PAverified
0.302
0.302
Jack O'Brien
Career
Per 600 PA
0.736
0.736
Buster Posey
Careerverified
Per 600 PAverified
0.842
0.842
Jack O'Brien
Career
Per 600 PA
577
145.46
Buster Posey
Careerverified
Per 600 PAverified
1500
160.51
Jack O'Brien
Career
Per 600 PA
418
105.38
Buster Posey
Careerverified
Per 600 PAverified
1040
111.29
Jack O'Brien
Career
Per 600 PA
106
26.72
Buster Posey
Careerverified
Per 600 PAverified
293
31.35
Jack O'Brien
Careerverified
Per 600 PAverified
42
10.59
Buster Posey
Career
Per 600 PA
9
0.96
Jack O'Brien
Career
Per 600 PA
11
2.77
Buster Posey
Careerverified
Per 600 PAverified
158
16.91
Jack O'Brien
Career
Per 600 PA
159
40.08
Buster Posey
Careerverified
Per 600 PAverified
460
49.22
Jack O'Brien
Career
Per 600 PA
0.276
0.276
Buster Posey
Careerverified
Per 600 PAverified
0.307
0.307
Jack O'Brien
Career
Per 600 PA
0.005
0.005
Buster Posey
Careerverified
Per 600 PAverified
0.032
0.032
Jack O'Brien
Career
Per 600 PA
0.019
0.019
Buster Posey
Careerverified
Per 600 PAverified
0.105
0.105
Jack O'Brien
Career
Per 600 PA
294.26
74.18
Buster Posey
Careerverified
Per 600 PAverified
833.32
89.17
Jack O'Brien
Career
Per 600 PA
800
201.68
Buster Posey
Careerverified
Per 600 PAverified
2285
244.52
Jack O'Brien
Career
Per 600 PA
788
198.66
Buster Posey
Careerverified
Per 600 PAverified
2083
222.9
Jack O'Brien
Career
Per 600 PA
0.331
0.331
Buster Posey
Careerverified
Per 600 PAverified
0.372
0.372
Jack O'Brien
Career
Per 600 PA
0.369
0.369
Buster Posey
Careerverified
Per 600 PAverified
0.46
0.46
Jack O'Brien
Career
Per 600 PA
0.7
0.7
Buster Posey
Careerverified
Per 600 PAverified
0.831
0.831
Jack O'Brien
Career
Per 600 PA
0.103
0.103
Buster Posey
Careerverified
Per 600 PAverified
0.158
0.158
Jack O'Brien
Career
Per 600 PA
0.241
0.241
Buster Posey
Careerverified
Per 600 PAverified
0.282
0.282
Jack O'Brien
Career
Per 600 PA
0.683
0.683
Buster Posey
Careerverified
Per 600 PAverified
0.794
0.794
Jack O'Brien
Career
Per 600 PA
0.266
0.266
Buster Posey
Careerverified
Per 600 PAverified
0.324
0.324
Jack O'Brien
Career
Per 600 PAverified
366
92.27
Buster Posey
Careerverified
Per 600 PA
663
70.95
Jack O'Brien
Career
Per 600 PA
308
77.65
Buster Posey
Careerverified
Per 600 PAverified
729
78.01
Jack O'Brien
Career
Per 600 PAverified
663
167.14
Buster Posey
Careerverified
Per 600 PA
1234
132.05
Jack O'Brien
Career
Per 600 PA
318.06
80.18
Buster Posey
Careerverified
Per 600 PAverified
859.07
91.93
Jack O'Brien
Career
Per 600 PAverified
31
7.82
Buster Posey
Careerverified
Per 600 PA
43
4.6
Jack O'Brien
Career
Per 600 PA
180
45.38
Buster Posey
Careerverified
Per 600 PAverified
540
57.78
Jack O'Brien
Career
Per 600 PA
0
0
Buster Posey
Careerverified
Per 600 PAverified
67
7.17
Jack O'Brien
Careerverified
Per 600 PAverified
31
7.82
Buster Posey
Career
Per 600 PA
721
77.15
Jack O'Brien
Careerverified
Per 600 PAverified
76.77
76.77
Buster Posey
Career
Per 600 PA
7.78
7.78
Jack O'Brien
Careerverified
Per 600 PAverified
5.81
5.81
Buster Posey
Career
Per 600 PA
0.75
0.75
Jack O'Brien
Career
Per 600 PA
0
0
Buster Posey
Careerverified
Per 600 PAverified
1
0.11
Jack O'Brien
Career
Per 600 PA
0
0
Buster Posey
Careerverified
Per 600 PAverified
53
5.67
Jack O'Brien
Careerverified
Per 600 PAverified
0
0
Buster Posey
Career
Per 600 PA
163
17.44
Jack O'Brien
Careerverified
Per 600 PAverified
76
19.16
Buster Posey
Career
Per 600 PA
23
2.46
Jack O'Brien
Career
Per 600 PA
0
0
Buster Posey
Careerverified
Per 600 PAverified
9
0.96
Jack O'Brien
Careerverified
Per 600 PAverified
76
19.16
Buster Posey
Career
Per 600 PA
32
3.42
Jack O'Brien
Careerverified
Per 600 PAverified
100
100
Buster Posey
Career
Per 600 PA
71.88
71.88

Fielding Stats for Jack O'Brien and Buster Posey

Jack O'Brien
Career
Per 9 Innings
8
8
Buster Posey
Careerverified
Per 9 Inningsverified
12
12
Jack O'Brien
Career
Per 9 Inningsverified
573
1.1
Buster Posey
Careerverified
Per 9 Innings
1322
1.08
Jack O'Brien
Career
Per 9 Innings
0
0
Buster Posey
Careerverified
Per 9 Inningsverified
1264
1.04
Jack O'Brien
Career
Per 9 Innings
14076
27
Buster Posey
Careerverified
Per 9 Innings
32955
27
Jack O'Brien
Career
Per 9 Innings
4692
9
Buster Posey
Careerverified
Per 9 Innings
10985
9
Jack O'Brien
Career
Per 9 Innings
2908
5.58
Buster Posey
Careerverified
Per 9 Inningsverified
9919
8.13
Jack O'Brien
Career
Per 9 Inningsverified
619
1.19
Buster Posey
Careerverified
Per 9 Innings
654
0.54
Jack O'Brien
Career
Per 9 Innings
311
0.6
Buster Posey
Careerverified
Per 9 Inningsverified
53
0.04
Jack O'Brien
Career
Per 9 Innings
3838
7.36
Buster Posey
Careerverified
Per 9 Inningsverified
10626
8.71
Jack O'Brien
Career
Per 9 Innings
3527
6.77
Buster Posey
Careerverified
Per 9 Inningsverified
10573
8.66
Jack O'Brien
Career
Per 9 Innings
91.9
91.9
Buster Posey
Careerverified
Per 9 Inningsverified
99.5
99.5
Jack O'Brien
Career
Per 9 Innings
6.155
6.155
Buster Posey
Careerverified
Per 9 Inningsverified
7.998
7.998
Jack O'Brien
Career
Per 9 Innings
0
0
Buster Posey
Careerverified
Per 9 Inningsverified
95.61
95.61
Jack O'Brien
Career
Per 9 Inningsverified
128
0.25
Buster Posey
Careerverified
Per 9 Innings
187
0.15
Jack O'Brien
Career
Per 9 Innings
279
0.54
Buster Posey
Careerverified
Per 9 Inningsverified
27
0.02
Jack O'Brien
Career
Per 9 Innings
0
0
Buster Posey
Career
Per 9 Innings
0
0
Jack O'Brien
Careerverified
Per 9 Inningsverified
2
0
Buster Posey
Career
Per 9 Innings
521
0.43
Jack O'Brien
Career
Per 9 Innings
2
0
Buster Posey
Careerverified
Per 9 Inningsverified
256
0.21