Brian O'Connor vs. William Selden — Career Comparison

Brian O'Connor
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher
William Selden
Pre-GenerationalVirginiaNorth AmericaNew York GorhamsIndependentStarting Pitcher

William Selden 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. William Selden posted stronger surface numbers — ERA 2.13 and WHIP 1.055 compared to 5.11 and 1.865 for Brian O'Connor. By the career numbers, William Selden had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Brian O'Connor and William Selden

Brian O'Connor
Career
Per 9 Innings
1
1
William Selden
Careerverified
Per 9 Inningsverified
5
5
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
William Selden
Careerverified
Per 9 Innings
11
1.17
Brian O'Connor
Career
Per 9 Innings
1
0.73
William Selden
Careerverified
Per 9 Inningsverified
8
0.85
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
9
0.96
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
William Selden
Careerverified
Per 9 Inningsverified
100
100
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
William Selden
Careerverified
Per 9 Inningsverified
72.73
72.73
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
8
0.85
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
1
0.11
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Career
Per 9 Innings
0
0
Brian O'Connor
Careerverified
Per 9 Innings
7
5.11
William Selden
Career
Per 9 Inningsverified
20
2.13
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
William Selden
Careerverified
Per 9 Inningsverified
2.13
2.13
Brian O'Connor
Career
Per 9 Innings
6.5
6.5
William Selden
Careerverified
Per 9 Inningsverified
2.21
2.21
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
William Selden
Careerverified
Per 9 Inningsverified
3.06
3.06
Brian O'Connor
Career
Per 9 Innings
0.25
0.25
William Selden
Careerverified
Per 9 Inningsverified
0.233
0.233
Brian O'Connor
Career
Per 9 Innings
37
27
William Selden
Careerverified
Per 9 Innings
253
27
Brian O'Connor
Career
Per 9 Innings
12.1
9
William Selden
Careerverified
Per 9 Innings
84.1
9
Brian O'Connor
Careerverified
Per 9 Innings
12
8.76
William Selden
Career
Per 9 Inningsverified
74
7.9
Brian O'Connor
Career
Per 9 Innings
8.76
8.76
William Selden
Careerverified
Per 9 Inningsverified
7.9
7.9
Brian O'Connor
Careerverified
Per 9 Innings
2
1.46
William Selden
Career
Per 9 Inningsverified
3
0.32
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
William Selden
Careerverified
Per 9 Inningsverified
0.32
0.32
Brian O'Connor
Career
Per 9 Innings
0.33
0.33
William Selden
Careerverified
Per 9 Inningsverified
0.27
0.27
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
William Selden
Career
Per 9 Inningsverified
15
1.6
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
William Selden
Careerverified
Per 9 Inningsverified
1.6
1.6
Brian O'Connor
Career
Per 9 Inningsverified
7
5.11
William Selden
Careerverified
Per 9 Innings
41
4.38
Brian O'Connor
Careerverified
Per 9 Inningsverified
5.11
5.11
William Selden
Career
Per 9 Innings
4.38
4.38
Brian O'Connor
Career
Per 9 Innings
1.17
1.17
William Selden
Careerverified
Per 9 Inningsverified
3.73
3.73
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.46
1.46
William Selden
Career
Per 9 Innings
0.664
0.664
Brian O'Connor
Career
Per 9 Innings
4
2.92
William Selden
Careerverified
Per 9 Inningsverified
1
0.11
Brian O'Connor
Career
Per 9 Innings
1
0.73
William Selden
Career
Per 9 Inningsverified
1
0.11
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Inningsverified
62
45.24
William Selden
Careerverified
Per 9 Innings
343
36.6
Brian O'Connor
Career
Per 9 Inningsverified
2
1.46
William Selden
Careerverified
Per 9 Innings
3
0.32
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
William Selden
Career
Per 9 Inningsverified
37
3.95
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
William Selden
Careerverified
Per 9 Inningsverified
3.95
3.95
Brian O'Connor
Careerverified
Per 9 Inningsverified
1
0.73
William Selden
Career
Per 9 Innings
10
1.07
Brian O'Connor
Career
Per 9 Innings
1
0.73
William Selden
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
10
1.07
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
William Selden
Careerverified
Per 9 Inningsverified
1.055
1.055
Brian O'Connor
Career
Per 9 Inningsverified
48
35.03
William Selden
Careerverified
Per 9 Innings
317
33.83
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.83
1.83
William Selden
Career
Per 9 Innings
3.36
3.36
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
William Selden
Career
Per 9 Innings
0.26
0.26
Brian O'Connor
Careerverified
Per 9 Inningsverified
45.24
45.24
William Selden
Career
Per 9 Innings
36.6
36.6

Fielding Stats for Brian O'Connor and William Selden

Brian O'Connor
Career
Per 9 Innings
1
1
William Selden
Careerverified
Per 9 Inningsverified
5
5
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
William Selden
Careerverified
Per 9 Innings
20
1.18
Brian O'Connor
Career
Per 9 Innings
1
0.73
William Selden
Careerverified
Per 9 Inningsverified
17
1.01
Brian O'Connor
Career
Per 9 Innings
37
27
William Selden
Careerverified
Per 9 Innings
456
27
Brian O'Connor
Career
Per 9 Innings
12.1
9
William Selden
Careerverified
Per 9 Innings
152
9
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
22
1.3
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
34
2.01
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
William Selden
Career
Per 9 Innings
12
0.71
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
68
4.03
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
56
3.32
Brian O'Connor
Career
Per 9 Innings
William Selden
Careerverified
Per 9 Inningsverified
82.35
82.35
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
2.8
2.8
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
William Selden
Careerverified
Per 9 Inningsverified
85
85
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Careerverified
Per 9 Inningsverified
2
0.12
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
William Selden
Career
Per 9 Innings
0
0

Hitting Stats for Brian O'Connor and William Selden

Brian O'Connor
Career
Per 600 PA
1
1
William Selden
Careerverified
Per 600 PAverified
5
5
Brian O'Connor
Career
Per 600 PAverified
6
1800
William Selden
Careerverified
Per 600 PA
17
129.11
Brian O'Connor
Career
Per 600 PA
2
600
William Selden
Careerverified
Per 600 PA
79
600
Brian O'Connor
Career
Per 600 PAverified
2
600
William Selden
Careerverified
Per 600 PA
68
516.46
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
William Selden
Career
Per 600 PA
0.309
0.309
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
William Selden
Career
Per 600 PA
0.884
0.884
Brian O'Connor
Career
Per 600 PAverified
1
300
William Selden
Careerverified
Per 600 PA
21
159.49
Brian O'Connor
Career
Per 600 PAverified
1
300
William Selden
Careerverified
Per 600 PA
16
121.52
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
2
15.19
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
3
22.78
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
5
37.97
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
0.238
0.238
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
0.044
0.044
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
0.143
0.143
Brian O'Connor
Career
Per 600 PAverified
0.47
140.43
William Selden
Careerverified
Per 600 PA
12.38
94
Brian O'Connor
Career
Per 600 PAverified
1
300
William Selden
Careerverified
Per 600 PA
32
243.04
Brian O'Connor
Career
Per 600 PAverified
1
300
William Selden
Careerverified
Per 600 PA
27
205.06
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
William Selden
Career
Per 600 PA
0.365
0.365
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
William Selden
Career
Per 600 PA
0.471
0.471
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
William Selden
Career
Per 600 PA
0.836
0.836
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
0.162
0.162
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
William Selden
Career
Per 600 PA
0.282
0.282
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
William Selden
Career
Per 600 PA
0.894
0.894
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
William Selden
Career
Per 600 PA
0.3
0.3
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
17
129.11
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
14
106.33
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
28
212.66
Brian O'Connor
Career
Per 600 PAverified
0.52
156.97
William Selden
Careerverified
Per 600 PA
13.45
102.15
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
1
7.59
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
5
37.97
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PA
1
300
William Selden
Career
Per 600 PAverified
5
37.97
Brian O'Connor
Career
Per 600 PA
2
2
William Selden
Careerverified
Per 600 PAverified
15.8
15.8
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
1
1
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
5
37.97
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
4
30.38
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
William Selden
Careerverified
Per 600 PAverified
4
30.38
Brian O'Connor
Career
Per 600 PA
William Selden
Careerverified
Per 600 PAverified
100
100