Brian O'Connor vs. Bill Williams — Career Comparison

Brian O'Connor
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher
Bill Williams
UnknownCleveland TigersNegro National LeagueStarting Pitcher

Bill Williams 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. Brian O'Connor posted stronger surface numbers — ERA 5.11 and WHIP 1.865 compared to 7.71 and 1.714 for Bill Williams. By the career numbers, Brian O'Connor had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Brian O'Connor and Bill Williams

Brian O'Connor
Career
Per 9 Innings
1
1
Bill Williams
Career
Per 9 Innings
1
1
Brian O'Connor
Careerverified
Per 9 Inningsverified
6
4.38
Bill Williams
Career
Per 9 Innings
1
3.86
Brian O'Connor
Career
Per 9 Innings
1
0.73
Bill Williams
Career
Per 9 Inningsverified
1
3.86
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Bill Williams
Career
Per 9 Innings
1
3.86
Brian O'Connor
Career
Per 9 Innings
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
Bill Williams
Careerverified
Per 9 Inningsverified
100
100
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Inningsverified
7
5.11
Bill Williams
Careerverified
Per 9 Innings
2
7.71
Brian O'Connor
Careerverified
Per 9 Inningsverified
5.11
5.11
Bill Williams
Career
Per 9 Innings
7.71
7.71
Brian O'Connor
Careerverified
Per 9 Inningsverified
6.5
6.5
Bill Williams
Career
Per 9 Innings
6.63
6.63
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
Bill Williams
Careerverified
Per 9 Inningsverified
4.71
4.71
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.25
0.25
Bill Williams
Career
Per 9 Innings
0.333
0.333
Brian O'Connor
Careerverified
Per 9 Innings
37
27
Bill Williams
Career
Per 9 Innings
7
27
Brian O'Connor
Careerverified
Per 9 Innings
12.1
9
Bill Williams
Career
Per 9 Innings
2.1
9
Brian O'Connor
Career
Per 9 Inningsverified
12
8.76
Bill Williams
Careerverified
Per 9 Innings
3
11.57
Brian O'Connor
Careerverified
Per 9 Inningsverified
8.76
8.76
Bill Williams
Career
Per 9 Innings
11.57
11.57
Brian O'Connor
Career
Per 9 Innings
2
1.46
Bill Williams
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Bill Williams
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
0.33
0.33
Bill Williams
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
11
8.03
Bill Williams
Careerverified
Per 9 Inningsverified
1
3.86
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Bill Williams
Careerverified
Per 9 Inningsverified
3.86
3.86
Brian O'Connor
Careerverified
Per 9 Inningsverified
7
5.11
Bill Williams
Career
Per 9 Innings
1
3.86
Brian O'Connor
Careerverified
Per 9 Inningsverified
5.11
5.11
Bill Williams
Career
Per 9 Innings
3.86
3.86
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.17
1.17
Bill Williams
Career
Per 9 Innings
1
1
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.46
1.46
Bill Williams
Career
Per 9 Innings
0.857
0.857
Brian O'Connor
Career
Per 9 Innings
4
2.92
Bill Williams
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Inningsverified
1
0.73
Bill Williams
Career
Per 9 Innings
1
3.86
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Careerverified
Per 9 Innings
62
45.24
Bill Williams
Career
Per 9 Inningsverified
12
46.29
Brian O'Connor
Careerverified
Per 9 Inningsverified
2
1.46
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
11
8.03
Bill Williams
Careerverified
Per 9 Inningsverified
2
7.71
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Bill Williams
Careerverified
Per 9 Inningsverified
7.71
7.71
Brian O'Connor
Career
Per 9 Inningsverified
1
0.73
Bill Williams
Career
Per 9 Innings
1
3.86
Brian O'Connor
Career
Per 9 Innings
1
0.73
Bill Williams
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
Bill Williams
Careerverified
Per 9 Inningsverified
1.714
1.714
Brian O'Connor
Careerverified
Per 9 Inningsverified
48
35.03
Bill Williams
Career
Per 9 Innings
9
34.71
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.83
1.83
Bill Williams
Career
Per 9 Innings
2
2
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Bill Williams
Career
Per 9 Innings
0.375
0.375
Brian O'Connor
Career
Per 9 Innings
45.24
45.24
Bill Williams
Careerverified
Per 9 Inningsverified
46.29
46.29

Fielding Stats for Brian O'Connor and Bill Williams

Brian O'Connor
Career
Per 9 Innings
1
1
Bill Williams
Career
Per 9 Innings
1
1
Brian O'Connor
Careerverified
Per 9 Inningsverified
6
4.38
Bill Williams
Career
Per 9 Innings
1
3.86
Brian O'Connor
Career
Per 9 Innings
1
0.73
Bill Williams
Career
Per 9 Inningsverified
1
3.86
Brian O'Connor
Careerverified
Per 9 Innings
37
27
Bill Williams
Career
Per 9 Innings
7
27
Brian O'Connor
Careerverified
Per 9 Innings
12.1
9
Bill Williams
Career
Per 9 Innings
2.1
9
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
Bill Williams
Career
Per 9 Innings
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
Bill Williams
Careerverified
Per 9 Inningsverified
100
100
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Bill Williams
Career
Per 9 Innings
0
0

Hitting Stats for Brian O'Connor and Bill Williams

Brian O'Connor
Career
Per 600 PA
1
1
Bill Williams
Career
Per 600 PA
1
1
Brian O'Connor
Careerverified
Per 600 PAverified
6
1800
Bill Williams
Career
Per 600 PA
1
600
Brian O'Connor
Careerverified
Per 600 PA
2
600
Bill Williams
Career
Per 600 PA
1
600
Brian O'Connor
Careerverified
Per 600 PA
2
600
Bill Williams
Career
Per 600 PA
1
600
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
300
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
300
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
Brian O'Connor
Careerverified
Per 600 PAverified
0.47
140.43
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
300
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
300
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
0.52
156.97
Bill Williams
Career
Per 600 PA
-0.1
-60
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
1
300
Bill Williams
Careerverified
Per 600 PAverified
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
2
2
Bill Williams
Career
Per 600 PA
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Bill Williams
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
Bill Williams
Career
Per 600 PA