Brian O'Connor vs. Mike Regan — Career Comparison

Brian O'Connor
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher
Mike Regan
Lost GenerationNew YorkThrows RightBats RightNorth AmericaCincinnati RedsNational LeagueStarting Pitcher

Mike Regan 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. Mike Regan posted stronger surface numbers — ERA 2.84 and WHIP 1.260 compared to 5.11 and 1.865 for Brian O'Connor. By the career numbers, Mike Regan had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Brian O'Connor and Mike Regan

Brian O'Connor
Career
Per 9 Innings
1
1
Mike Regan
Careerverified
Per 9 Inningsverified
3
3
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Mike Regan
Careerverified
Per 9 Innings
55
1.66
Brian O'Connor
Career
Per 9 Innings
1
0.73
Mike Regan
Careerverified
Per 9 Inningsverified
32
0.97
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Inningsverified
16
0.48
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mike Regan
Career
Per 9 Innings
15
0.45
Brian O'Connor
Career
Per 9 Innings
Mike Regan
Careerverified
Per 9 Inningsverified
51.61
51.61
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
Mike Regan
Careerverified
Per 9 Inningsverified
58.18
58.18
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Inningsverified
20
0.6
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Inningsverified
4
0.12
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Inningsverified
2
0.06
Brian O'Connor
Careerverified
Per 9 Innings
7
5.11
Mike Regan
Career
Per 9 Inningsverified
94
2.84
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Mike Regan
Careerverified
Per 9 Inningsverified
2.84
2.84
Brian O'Connor
Career
Per 9 Innings
6.5
6.5
Mike Regan
Careerverified
Per 9 Inningsverified
3.04
3.04
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
Mike Regan
Careerverified
Per 9 Inningsverified
3.48
3.48
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.25
0.25
Mike Regan
Career
Per 9 Innings
0.26
0.26
Brian O'Connor
Career
Per 9 Innings
37
27
Mike Regan
Careerverified
Per 9 Innings
895
27
Brian O'Connor
Career
Per 9 Innings
12.1
9
Mike Regan
Careerverified
Per 9 Innings
298.1
9
Brian O'Connor
Careerverified
Per 9 Inningsverified
12
8.76
Mike Regan
Career
Per 9 Innings
306
9.23
Brian O'Connor
Careerverified
Per 9 Inningsverified
8.76
8.76
Mike Regan
Career
Per 9 Innings
9.23
9.23
Brian O'Connor
Careerverified
Per 9 Innings
2
1.46
Mike Regan
Career
Per 9 Inningsverified
4
0.12
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Mike Regan
Careerverified
Per 9 Inningsverified
0.12
0.12
Brian O'Connor
Career
Per 9 Innings
0.33
0.33
Mike Regan
Careerverified
Per 9 Inningsverified
0.07
0.07
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Mike Regan
Career
Per 9 Inningsverified
70
2.11
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Mike Regan
Careerverified
Per 9 Inningsverified
2.11
2.11
Brian O'Connor
Career
Per 9 Inningsverified
7
5.11
Mike Regan
Careerverified
Per 9 Innings
66
1.99
Brian O'Connor
Careerverified
Per 9 Inningsverified
5.11
5.11
Mike Regan
Career
Per 9 Innings
1.99
1.99
Brian O'Connor
Career
Per 9 Innings
1.17
1.17
Mike Regan
Careerverified
Per 9 Inningsverified
1.2
1.2
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.46
1.46
Mike Regan
Career
Per 9 Innings
0.456
0.456
Brian O'Connor
Career
Per 9 Innings
4
2.92
Mike Regan
Careerverified
Per 9 Inningsverified
2
0.06
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Mike Regan
Career
Per 9 Inningsverified
4
0.12
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Inningsverified
62
45.24
Mike Regan
Careerverified
Per 9 Innings
1253
37.8
Brian O'Connor
Career
Per 9 Inningsverified
2
1.46
Mike Regan
Careerverified
Per 9 Innings
13
0.39
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Mike Regan
Career
Per 9 Inningsverified
145
4.37
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Mike Regan
Careerverified
Per 9 Inningsverified
4.37
4.37
Brian O'Connor
Career
Per 9 Innings
1
0.73
Mike Regan
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1
0.73
Mike Regan
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
Mike Regan
Careerverified
Per 9 Inningsverified
1.26
1.26
Brian O'Connor
Career
Per 9 Innings
48
35.03
Mike Regan
Careerverified
Per 9 Inningsverified
1179
35.57
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.83
1.83
Mike Regan
Career
Per 9 Innings
2.64
2.64
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Mike Regan
Career
Per 9 Innings
0.272
0.272
Brian O'Connor
Careerverified
Per 9 Inningsverified
45.24
45.24
Mike Regan
Career
Per 9 Innings
37.8
37.8

Fielding Stats for Brian O'Connor and Mike Regan

Brian O'Connor
Career
Per 9 Inningsverified
1
1
Mike Regan
Careerverified
Per 9 Innings
3
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Mike Regan
Careerverified
Per 9 Innings
55
Brian O'Connor
Careerverified
Per 9 Inningsverified
1
0.73
Mike Regan
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
37
27
Mike Regan
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
12.1
9
Mike Regan
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Innings
16
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Innings
98
Brian O'Connor
Careerverified
Per 9 Innings
0
0
Mike Regan
Career
Per 9 Innings
7
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Innings
121
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Innings
114
Brian O'Connor
Career
Per 9 Innings
Mike Regan
Careerverified
Per 9 Innings
94.21
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Innings
2.073
Brian O'Connor
Careerverified
Per 9 Inningsverified
16.67
16.67
Mike Regan
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Careerverified
Per 9 Innings
1
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Regan
Career
Per 9 Innings
0

Hitting Stats for Brian O'Connor and Mike Regan

Brian O'Connor
Career
Per 600 PA
1
1
Mike Regan
Careerverified
Per 600 PAverified
3
3
Brian O'Connor
Career
Per 600 PAverified
6
1800
Mike Regan
Careerverified
Per 600 PA
57
310.91
Brian O'Connor
Career
Per 600 PA
2
600
Mike Regan
Careerverified
Per 600 PA
110
600
Brian O'Connor
Career
Per 600 PAverified
2
600
Mike Regan
Careerverified
Per 600 PA
103
561.82
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mike Regan
Career
Per 600 PA
0.223
0.223
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mike Regan
Career
Per 600 PA
0.556
0.556
Brian O'Connor
Career
Per 600 PAverified
1
300
Mike Regan
Careerverified
Per 600 PA
23
125.45
Brian O'Connor
Career
Per 600 PAverified
1
300
Mike Regan
Careerverified
Per 600 PA
20
109.09
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
3
16.36
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
3
16.36
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
0.13
0.13
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PAverified
0.47
140.43
Mike Regan
Careerverified
Per 600 PA
7.7
41.98
Brian O'Connor
Career
Per 600 PAverified
1
300
Mike Regan
Careerverified
Per 600 PA
26
141.82
Brian O'Connor
Career
Per 600 PAverified
1
300
Mike Regan
Careerverified
Per 600 PA
30
163.64
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mike Regan
Career
Per 600 PA
0.273
0.273
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mike Regan
Career
Per 600 PA
0.252
0.252
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mike Regan
Career
Per 600 PA
0.525
0.525
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
0.029
0.029
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
Mike Regan
Career
Per 600 PA
0.186
0.186
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mike Regan
Career
Per 600 PA
0.438
0.438
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mike Regan
Career
Per 600 PA
0.264
0.264
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
12
65.45
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
1
5.45
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
13
70.91
Brian O'Connor
Career
Per 600 PAverified
0.52
156.97
Mike Regan
Careerverified
Per 600 PA
8.63
47.1
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
7
38.18
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PA
1
300
Mike Regan
Career
Per 600 PAverified
16
87.27
Brian O'Connor
Career
Per 600 PA
2
2
Mike Regan
Careerverified
Per 600 PAverified
6.88
6.88
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
0.44
0.44
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
2
10.91
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Regan
Careerverified
Per 600 PAverified
2
10.91
Brian O'Connor
Career
Per 600 PA
Mike Regan
Careerverified
Per 600 PAverified
100
100