Jack O'Brien vs. Mark Williamson — Career Comparison

You might be looking for a matchup, check Jack O'Brien's matchup page instead!

Jack O'Brien
Pre-GenerationalNew YorkThrows RightBats LeftNorth AmericaWashington NationalsNational LeagueLeft Fielder
Mark Williamson
Baby BoomersTexasThrows RightBats RightNorth AmericaBaltimore OriolesAmerican LeagueRelief Pitcher

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

Fielding Stats for Jack O'Brien and Mark Williamson

Jack O'Brien
Career
Per 9 Innings
3
3
Mark Williamson
Careerverified
Per 9 Inningsverified
8
8
Jack O'Brien
Career
Per 9 Innings
316
1.07
Mark Williamson
Careerverified
Per 9 Inningsverified
365
4.76
Jack O'Brien
Career
Per 9 Innings
0
0
Mark Williamson
Careerverified
Per 9 Inningsverified
15
0.2
Jack O'Brien
Careerverified
Per 9 Innings
7941
27
Mark Williamson
Career
Per 9 Innings
2069
27
Jack O'Brien
Careerverified
Per 9 Innings
2647
9
Mark Williamson
Career
Per 9 Innings
689.2
9
Jack O'Brien
Careerverified
Per 9 Inningsverified
590
2.01
Mark Williamson
Career
Per 9 Innings
75
0.98
Jack O'Brien
Career
Per 9 Innings
73
0.25
Mark Williamson
Careerverified
Per 9 Inningsverified
76
0.99
Jack O'Brien
Career
Per 9 Innings
54
0.18
Mark Williamson
Careerverified
Per 9 Inningsverified
7
0.09
Jack O'Brien
Careerverified
Per 9 Inningsverified
717
2.44
Mark Williamson
Career
Per 9 Innings
158
2.06
Jack O'Brien
Careerverified
Per 9 Inningsverified
663
2.25
Mark Williamson
Career
Per 9 Innings
151
1.97
Jack O'Brien
Career
Per 9 Innings
92.47
92.47
Mark Williamson
Careerverified
Per 9 Inningsverified
95.57
95.57
Jack O'Brien
Careerverified
Per 9 Inningsverified
2.098
2.098
Mark Williamson
Career
Per 9 Innings
0.414
0.414
Jack O'Brien
Career
Per 9 Innings
0
0
Mark Williamson
Careerverified
Per 9 Inningsverified
4.11
4.11
Jack O'Brien
Careerverified
Per 9 Innings
15
0.05
Mark Williamson
Career
Per 9 Innings
4
0.05
Jack O'Brien
Career
Per 9 Innings
0
0
Mark Williamson
Career
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
0
0
Mark Williamson
Career
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
0
0
Mark Williamson
Career
Per 9 Innings
0
0
Jack O'Brien
Career
Per 9 Innings
0
0
Mark Williamson
Career
Per 9 Innings
0
0

Hitting Stats for Jack O'Brien and Mark Williamson

Jack O'Brien
Career
Per 600 PAverified
3
3
Mark Williamson
Careerverified
Per 600 PA
8
Jack O'Brien
Career
Per 600 PAverified
326
145.1
Mark Williamson
Careerverified
Per 600 PA
365
Jack O'Brien
Careerverified
Per 600 PAverified
1348
600
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
1226
545.7
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
0.259
0.259
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.687
0.687
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
317
141.1
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
255
113.5
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
39
17.36
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
14
6.23
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
9
4.01
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
62
27.6
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
0.196
0.196
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.007
0.007
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.028
0.028
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
139.2
61.96
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
411
182.94
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
405
180.27
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
0.308
0.308
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.335
0.335
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.643
0.643
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.077
0.077
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.223
0.223
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.595
0.595
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.274
0.274
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
171
76.11
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
133
59.2
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
295
131.31
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
156.15
69.5
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
11
4.9
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
77
34.27
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Career
Per 600 PA
0
0
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Career
Per 600 PA
92
40.95
Mark Williamson
Careerverified
Per 600 PAverified
0
Jack O'Brien
Careerverified
Per 600 PAverified
14.65
14.65
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
0.84
0.84
Mark Williamson
Career
Per 600 PA
Jack O'Brien
Careerverified
Per 600 PAverified
34
15.13
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Career
Per 600 PA
0
0
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Career
Per 600 PA
0
0
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
42
18.69
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Career
Per 600 PA
0
0
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
42
18.69
Mark Williamson
Career
Per 600 PA
0
Jack O'Brien
Careerverified
Per 600 PAverified
100
100
Mark Williamson
Career
Per 600 PA