Jeff Karstens vs. Jack O'Brien — Career Comparison

You might be looking for a matchup, check Jeff Karstens's matchup page instead!

Jeff Karstens
MillenialCaliforniaThrows RightBats RightNorth AmericaPittsburgh PiratesNational LeagueStarting Pitcher
Jack O'Brien
Pre-GenerationalPennsylvaniaThrows RightBats RightNorth AmericaPhiladelphia AthleticsAmerican AssociationCatcher

Jack O'Brien is a position player and Jeff Karstens 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 Jeff Karstens, check out their matchup page.

Fielding Stats for Jeff Karstens and Jack O'Brien

Jeff Karstens
Career
Per 9 Innings
7
7
Jack O'Brien
Careerverified
Per 9 Inningsverified
8
8
Jeff Karstens
Career
Per 9 Inningsverified
138
2.1
Jack O'Brien
Careerverified
Per 9 Innings
573
1.1
Jeff Karstens
Careerverified
Per 9 Inningsverified
91
1.38
Jack O'Brien
Career
Per 9 Innings
0
0
Jeff Karstens
Career
Per 9 Innings
1777
27
Jack O'Brien
Careerverified
Per 9 Innings
14076
27
Jeff Karstens
Career
Per 9 Innings
592.1
9
Jack O'Brien
Careerverified
Per 9 Innings
4692
9
Jeff Karstens
Career
Per 9 Innings
42
0.64
Jack O'Brien
Careerverified
Per 9 Inningsverified
2908
5.58
Jeff Karstens
Career
Per 9 Innings
67
1.02
Jack O'Brien
Careerverified
Per 9 Inningsverified
619
1.19
Jeff Karstens
Careerverified
Per 9 Inningsverified
6
0.09
Jack O'Brien
Career
Per 9 Innings
311
0.6
Jeff Karstens
Career
Per 9 Innings
115
1.75
Jack O'Brien
Careerverified
Per 9 Inningsverified
3838
7.36
Jeff Karstens
Career
Per 9 Innings
109
1.66
Jack O'Brien
Careerverified
Per 9 Inningsverified
3527
6.77
Jeff Karstens
Careerverified
Per 9 Inningsverified
94.78
94.78
Jack O'Brien
Career
Per 9 Innings
91.9
91.9
Jeff Karstens
Career
Per 9 Innings
0.79
0.79
Jack O'Brien
Careerverified
Per 9 Inningsverified
6.155
6.155
Jeff Karstens
Careerverified
Per 9 Inningsverified
65.94
65.94
Jack O'Brien
Career
Per 9 Innings
0
0
Jeff Karstens
Career
Per 9 Innings
5
0.08
Jack O'Brien
Careerverified
Per 9 Inningsverified
128
0.25
Jeff Karstens
Careerverified
Per 9 Inningsverified
0
0
Jack O'Brien
Career
Per 9 Innings
279
0.54
Jeff Karstens
Career
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
0
0
Jeff Karstens
Careerverified
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
2
0
Jeff Karstens
Career
Per 9 Innings
0
0
Jack O'Brien
Careerverified
Per 9 Innings
2
0

Hitting Stats for Jeff Karstens and Jack O'Brien

Jeff Karstens
Career
Per 600 PA
7
7
Jack O'Brien
Careerverified
Per 600 PAverified
8
8
Jeff Karstens
Career
Per 600 PAverified
138
489.94
Jack O'Brien
Careerverified
Per 600 PA
555
139.92
Jeff Karstens
Career
Per 600 PA
169
600
Jack O'Brien
Careerverified
Per 600 PA
2380
600
Jeff Karstens
Career
Per 600 PA
145
514.79
Jack O'Brien
Careerverified
Per 600 PAverified
2169
546.81
Jeff Karstens
Career
Per 600 PA
0.09
0.09
Jack O'Brien
Careerverified
Per 600 PAverified
0.266
0.266
Jeff Karstens
Career
Per 600 PA
0.328
0.328
Jack O'Brien
Careerverified
Per 600 PAverified
0.736
0.736
Jeff Karstens
Career
Per 600 PA
13
46.15
Jack O'Brien
Careerverified
Per 600 PAverified
577
145.46
Jeff Karstens
Career
Per 600 PA
12
42.6
Jack O'Brien
Careerverified
Per 600 PAverified
418
105.38
Jeff Karstens
Career
Per 600 PA
1
3.55
Jack O'Brien
Careerverified
Per 600 PAverified
106
26.72
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
42
10.59
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
11
2.77
Jeff Karstens
Career
Per 600 PA
1
3.55
Jack O'Brien
Careerverified
Per 600 PAverified
159
40.08
Jeff Karstens
Career
Per 600 PA
0.077
0.077
Jack O'Brien
Careerverified
Per 600 PAverified
0.276
0.276
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
0.005
0.005
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
0.019
0.019
Jeff Karstens
Career
Per 600 PA
2.11
7.48
Jack O'Brien
Careerverified
Per 600 PAverified
294.26
74.18
Jeff Karstens
Career
Per 600 PA
14
49.7
Jack O'Brien
Careerverified
Per 600 PAverified
800
201.68
Jeff Karstens
Career
Per 600 PA
22
78.11
Jack O'Brien
Careerverified
Per 600 PAverified
788
198.66
Jeff Karstens
Career
Per 600 PA
0.143
0.143
Jack O'Brien
Careerverified
Per 600 PAverified
0.331
0.331
Jeff Karstens
Career
Per 600 PA
0.097
0.097
Jack O'Brien
Careerverified
Per 600 PAverified
0.369
0.369
Jeff Karstens
Career
Per 600 PA
0.24
0.24
Jack O'Brien
Careerverified
Per 600 PAverified
0.7
0.7
Jeff Karstens
Career
Per 600 PA
0.007
0.007
Jack O'Brien
Careerverified
Per 600 PAverified
0.103
0.103
Jeff Karstens
Career
Per 600 PA
0.089
0.089
Jack O'Brien
Careerverified
Per 600 PAverified
0.241
0.241
Jeff Karstens
Career
Per 600 PA
0.174
0.174
Jack O'Brien
Careerverified
Per 600 PAverified
0.683
0.683
Jeff Karstens
Career
Per 600 PA
0.197
0.197
Jack O'Brien
Careerverified
Per 600 PAverified
0.266
0.266
Jeff Karstens
Career
Per 600 PA
10
35.5
Jack O'Brien
Careerverified
Per 600 PAverified
366
92.27
Jeff Karstens
Career
Per 600 PA
4
14.2
Jack O'Brien
Careerverified
Per 600 PAverified
308
77.65
Jeff Karstens
Career
Per 600 PA
14
49.7
Jack O'Brien
Careerverified
Per 600 PAverified
663
167.14
Jeff Karstens
Career
Per 600 PA
-2.95
-10.49
Jack O'Brien
Careerverified
Per 600 PAverified
318.06
80.18
Jeff Karstens
Career
Per 600 PA
1
3.55
Jack O'Brien
Careerverified
Per 600 PAverified
31
7.82
Jeff Karstens
Career
Per 600 PA
8
28.4
Jack O'Brien
Careerverified
Per 600 PAverified
180
45.38
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Jeff Karstens
Career
Per 600 PA
79
280.47
Jack O'Brien
Careerverified
Per 600 PAverified
31
7.82
Jeff Karstens
Career
Per 600 PA
2.14
2.14
Jack O'Brien
Careerverified
Per 600 PAverified
76.77
76.77
Jeff Karstens
Career
Per 600 PA
0.1
0.1
Jack O'Brien
Careerverified
Per 600 PAverified
5.81
5.81
Jeff Karstens
Careerverified
Per 600 PAverified
15
53.25
Jack O'Brien
Career
Per 600 PA
0
0
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
76
19.16
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Career
Per 600 PA
0
0
Jeff Karstens
Career
Per 600 PA
0
0
Jack O'Brien
Careerverified
Per 600 PAverified
76
19.16
Jeff Karstens
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
100
100