Buck O'Brien vs. Brian O'Connor — Career Comparison

Buck O'Brien
Pre-GenerationalMassachusettsThrows RightBats RightNorth AmericaBoston Red SoxAmerican LeagueStarting Pitcher
Brian O'Connor
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher

Buck O'Brien built a career as a starting pitcher and Brian O'Connor as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Buck O'Brien posted stronger surface numbers — ERA 2.63 and WHIP 1.273 compared to 5.11 and 1.865 for Brian O'Connor. By the career numbers, Buck O'Brien had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Buck O'Brien and Brian O'Connor

Buck O'Brien
Careerverified
Per 9 Inningsverified
3
3
Brian O'Connor
Career
Per 9 Innings
1
1
Buck O'Brien
Careerverified
Per 9 Innings
64
1.33
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Buck O'Brien
Careerverified
Per 9 Inningsverified
54
1.13
Brian O'Connor
Career
Per 9 Innings
1
0.73
Buck O'Brien
Careerverified
Per 9 Inningsverified
29
0.6
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Career
Per 9 Innings
25
0.52
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Buck O'Brien
Careerverified
Per 9 Inningsverified
53.7
53.7
Brian O'Connor
Career
Per 9 Innings
Buck O'Brien
Careerverified
Per 9 Inningsverified
84.38
84.38
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
Buck O'Brien
Careerverified
Per 9 Inningsverified
36
0.75
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Careerverified
Per 9 Inningsverified
4
0.08
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Career
Per 9 Inningsverified
126
2.63
Brian O'Connor
Careerverified
Per 9 Innings
7
5.11
Buck O'Brien
Careerverified
Per 9 Inningsverified
2.63
2.63
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Buck O'Brien
Careerverified
Per 9 Inningsverified
3.06
3.06
Brian O'Connor
Career
Per 9 Innings
6.5
6.5
Buck O'Brien
Careerverified
Per 9 Inningsverified
3.33
3.33
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
Buck O'Brien
Careerverified
Per 9 Inningsverified
0.249
0.249
Brian O'Connor
Career
Per 9 Innings
0.25
0.25
Buck O'Brien
Careerverified
Per 9 Innings
1296
27
Brian O'Connor
Career
Per 9 Innings
37
27
Buck O'Brien
Careerverified
Per 9 Innings
432
9
Brian O'Connor
Career
Per 9 Innings
12.1
9
Buck O'Brien
Career
Per 9 Inningsverified
391
8.15
Brian O'Connor
Careerverified
Per 9 Innings
12
8.76
Buck O'Brien
Careerverified
Per 9 Inningsverified
8.15
8.15
Brian O'Connor
Career
Per 9 Innings
8.76
8.76
Buck O'Brien
Career
Per 9 Inningsverified
3
0.06
Brian O'Connor
Careerverified
Per 9 Innings
2
1.46
Buck O'Brien
Careerverified
Per 9 Inningsverified
0.06
0.06
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Buck O'Brien
Careerverified
Per 9 Inningsverified
0.05
0.05
Brian O'Connor
Career
Per 9 Innings
0.33
0.33
Buck O'Brien
Career
Per 9 Inningsverified
159
3.31
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Buck O'Brien
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Careerverified
Per 9 Inningsverified
3.31
3.31
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Buck O'Brien
Careerverified
Per 9 Innings
204
4.25
Brian O'Connor
Career
Per 9 Inningsverified
7
5.11
Buck O'Brien
Career
Per 9 Innings
4.25
4.25
Brian O'Connor
Careerverified
Per 9 Inningsverified
5.11
5.11
Buck O'Brien
Careerverified
Per 9 Inningsverified
3.19
3.19
Brian O'Connor
Career
Per 9 Innings
1.17
1.17
Buck O'Brien
Career
Per 9 Innings
0.84
0.84
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.46
1.46
Buck O'Brien
Career
Per 9 Inningsverified
6
0.13
Brian O'Connor
Careerverified
Per 9 Innings
4
2.92
Buck O'Brien
Career
Per 9 Inningsverified
11
0.23
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Buck O'Brien
Career
Per 9 Innings
1
0.02
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Buck O'Brien
Careerverified
Per 9 Innings
1741
36.27
Brian O'Connor
Career
Per 9 Inningsverified
62
45.24
Buck O'Brien
Careerverified
Per 9 Innings
7
0.15
Brian O'Connor
Career
Per 9 Inningsverified
2
1.46
Buck O'Brien
Career
Per 9 Inningsverified
172
3.58
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Buck O'Brien
Careerverified
Per 9 Inningsverified
3.58
3.58
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Buck O'Brien
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1
0.73
Buck O'Brien
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1
0.73
Buck O'Brien
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Careerverified
Per 9 Inningsverified
1.273
1.273
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
Buck O'Brien
Careerverified
Per 9 Innings
1571
32.73
Brian O'Connor
Career
Per 9 Inningsverified
48
35.03
Buck O'Brien
Career
Per 9 Innings
2.69
2.69
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.83
1.83
Buck O'Brien
Career
Per 9 Innings
0.285
0.285
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Buck O'Brien
Career
Per 9 Innings
36.27
36.27
Brian O'Connor
Careerverified
Per 9 Inningsverified
45.24
45.24

Fielding Stats for Buck O'Brien and Brian O'Connor

Buck O'Brien
Careerverified
Per 9 Innings
3
Brian O'Connor
Career
Per 9 Inningsverified
1
1
Buck O'Brien
Careerverified
Per 9 Innings
64
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Buck O'Brien
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
1
0.73
Buck O'Brien
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
37
27
Buck O'Brien
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
12.1
9
Buck O'Brien
Careerverified
Per 9 Innings
15
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Careerverified
Per 9 Innings
130
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Career
Per 9 Innings
5
Brian O'Connor
Careerverified
Per 9 Innings
0
0
Buck O'Brien
Careerverified
Per 9 Innings
150
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Careerverified
Per 9 Innings
145
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Careerverified
Per 9 Innings
96.67
Brian O'Connor
Career
Per 9 Innings
Buck O'Brien
Careerverified
Per 9 Innings
2.266
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
16.67
16.67
Buck O'Brien
Careerverified
Per 9 Innings
2
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Buck O'Brien
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0

Hitting Stats for Buck O'Brien and Brian O'Connor

Buck O'Brien
Careerverified
Per 600 PAverified
3
3
Brian O'Connor
Career
Per 600 PA
1
1
Buck O'Brien
Careerverified
Per 600 PA
64
244.59
Brian O'Connor
Career
Per 600 PAverified
6
1800
Buck O'Brien
Careerverified
Per 600 PA
157
600
Brian O'Connor
Career
Per 600 PA
2
600
Buck O'Brien
Careerverified
Per 600 PA
143
546.5
Brian O'Connor
Career
Per 600 PAverified
2
600
Buck O'Brien
Career
Per 600 PA
0.14
0.14
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Buck O'Brien
Career
Per 600 PA
0.405
0.405
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Buck O'Brien
Careerverified
Per 600 PA
20
76.43
Brian O'Connor
Career
Per 600 PAverified
1
300
Buck O'Brien
Careerverified
Per 600 PA
16
61.15
Brian O'Connor
Career
Per 600 PAverified
1
300
Buck O'Brien
Careerverified
Per 600 PAverified
3
11.46
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Careerverified
Per 600 PAverified
1
3.82
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Careerverified
Per 600 PAverified
4
15.29
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Careerverified
Per 600 PAverified
0.2
0.2
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Careerverified
Per 600 PA
5.11
19.52
Brian O'Connor
Career
Per 600 PAverified
0.47
140.43
Buck O'Brien
Careerverified
Per 600 PA
25
95.54
Brian O'Connor
Career
Per 600 PAverified
1
300
Buck O'Brien
Careerverified
Per 600 PA
29
110.83
Brian O'Connor
Career
Per 600 PAverified
1
300
Buck O'Brien
Career
Per 600 PA
0.191
0.191
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Buck O'Brien
Career
Per 600 PA
0.175
0.175
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Buck O'Brien
Career
Per 600 PA
0.366
0.366
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Buck O'Brien
Careerverified
Per 600 PAverified
0.035
0.035
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0.13
0.13
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
Buck O'Brien
Career
Per 600 PA
0.276
0.276
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Buck O'Brien
Career
Per 600 PA
0.194
0.194
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Buck O'Brien
Careerverified
Per 600 PAverified
6
22.93
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Careerverified
Per 600 PAverified
8
30.57
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Careerverified
Per 600 PAverified
14
53.5
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Careerverified
Per 600 PA
3.03
11.58
Brian O'Connor
Career
Per 600 PAverified
0.52
156.97
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Careerverified
Per 600 PAverified
9
34.39
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PAverified
40
152.87
Brian O'Connor
Careerverified
Per 600 PA
1
300
Buck O'Brien
Careerverified
Per 600 PAverified
3.93
3.93
Brian O'Connor
Career
Per 600 PA
2
2
Buck O'Brien
Careerverified
Per 600 PAverified
0.23
0.23
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Careerverified
Per 600 PAverified
5
19.11
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Buck O'Brien
Career
Per 600 PA
Brian O'Connor
Career
Per 600 PA