Mike Leake vs. Brian O'Connor — Career Comparison

Mike Leake
MillenialCaliforniaThrows RightBats RightNorth AmericaCincinnati RedsNational LeagueStarting PitcherGold Glove
Brian O'Connor
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher

Mike Leake 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 Leake posted stronger surface numbers — ERA 4.05 and WHIP 1.297 compared to 5.11 and 1.865 for Brian O'Connor. By the career numbers, Mike Leake had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Mike Leake and Brian O'Connor

Mike Leake
Careerverified
Per 9 Inningsverified
10
10
Brian O'Connor
Career
Per 9 Innings
1
1
Mike Leake
Careerverified
Per 9 Innings
301
1.48
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Mike Leake
Careerverified
Per 9 Inningsverified
296
1.46
Brian O'Connor
Career
Per 9 Innings
1
0.73
Mike Leake
Careerverified
Per 9 Inningsverified
105
0.52
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Career
Per 9 Innings
98
0.48
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mike Leake
Careerverified
Per 9 Inningsverified
51.72
51.72
Brian O'Connor
Career
Per 9 Innings
Mike Leake
Careerverified
Per 9 Inningsverified
98.34
98.34
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
Mike Leake
Careerverified
Per 9 Inningsverified
6
0.03
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Careerverified
Per 9 Inningsverified
2
0.01
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Career
Per 9 Inningsverified
824
4.05
Brian O'Connor
Careerverified
Per 9 Innings
7
5.11
Mike Leake
Careerverified
Per 9 Inningsverified
4.05
4.05
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Mike Leake
Careerverified
Per 9 Inningsverified
4.06
4.06
Brian O'Connor
Career
Per 9 Innings
6.5
6.5
Mike Leake
Careerverified
Per 9 Inningsverified
4.12
4.12
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
Mike Leake
Career
Per 9 Innings
0.273
0.273
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.25
0.25
Mike Leake
Careerverified
Per 9 Innings
5487
27
Brian O'Connor
Career
Per 9 Innings
37
27
Mike Leake
Careerverified
Per 9 Innings
1829
9
Brian O'Connor
Career
Per 9 Innings
12.1
9
Mike Leake
Career
Per 9 Innings
1940
9.55
Brian O'Connor
Careerverified
Per 9 Inningsverified
12
8.76
Mike Leake
Career
Per 9 Innings
9.55
9.55
Brian O'Connor
Careerverified
Per 9 Inningsverified
8.76
8.76
Mike Leake
Career
Per 9 Inningsverified
238
1.17
Brian O'Connor
Careerverified
Per 9 Innings
2
1.46
Mike Leake
Careerverified
Per 9 Inningsverified
1.17
1.17
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Mike Leake
Career
Per 9 Innings
0.79
0.79
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.33
0.33
Mike Leake
Career
Per 9 Inningsverified
403
1.98
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Mike Leake
Career
Per 9 Innings
29
0.14
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mike Leake
Careerverified
Per 9 Inningsverified
1.98
1.98
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Mike Leake
Careerverified
Per 9 Inningsverified
1231
6.06
Brian O'Connor
Career
Per 9 Innings
7
5.11
Mike Leake
Careerverified
Per 9 Inningsverified
6.06
6.06
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Mike Leake
Careerverified
Per 9 Inningsverified
4.09
4.09
Brian O'Connor
Career
Per 9 Innings
1.17
1.17
Mike Leake
Career
Per 9 Innings
0.893
0.893
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.46
1.46
Mike Leake
Career
Per 9 Inningsverified
33
0.16
Brian O'Connor
Careerverified
Per 9 Innings
4
2.92
Mike Leake
Career
Per 9 Inningsverified
68
0.33
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Mike Leake
Career
Per 9 Innings
3
0.01
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mike Leake
Careerverified
Per 9 Innings
7693
37.86
Brian O'Connor
Career
Per 9 Inningsverified
62
45.24
Mike Leake
Career
Per 9 Innings
2
0.01
Brian O'Connor
Career
Per 9 Inningsverified
2
1.46
Mike Leake
Career
Per 9 Inningsverified
905
4.45
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Mike Leake
Careerverified
Per 9 Inningsverified
4.45
4.45
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Mike Leake
Career
Per 9 Inningsverified
51
0.25
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Mike Leake
Career
Per 9 Inningsverified
53
0.26
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Mike Leake
Careerverified
Per 9 Inningsverified
188
0.93
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Careerverified
Per 9 Inningsverified
1.281
1.281
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
Mike Leake
Careerverified
Per 9 Innings
7118
35.03
Brian O'Connor
Career
Per 9 Innings
48
35.03
Mike Leake
Career
Per 9 Innings
3.01
3.01
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.83
1.83
Mike Leake
Career
Per 9 Innings
0.301
0.301
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Mike Leake
Career
Per 9 Innings
37.86
37.86
Brian O'Connor
Careerverified
Per 9 Inningsverified
45.24
45.24

Fielding Stats for Mike Leake and Brian O'Connor

Mike Leake
Careerverified
Per 9 Inningsverified
10
10
Brian O'Connor
Career
Per 9 Innings
1
1
Mike Leake
Careerverified
Per 9 Innings
301
1.48
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Mike Leake
Careerverified
Per 9 Inningsverified
296
1.46
Brian O'Connor
Career
Per 9 Innings
1
0.73
Mike Leake
Careerverified
Per 9 Innings
5487
27
Brian O'Connor
Career
Per 9 Innings
37
27
Mike Leake
Careerverified
Per 9 Innings
1829
9
Brian O'Connor
Career
Per 9 Innings
12.1
9
Mike Leake
Careerverified
Per 9 Inningsverified
213
1.05
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Careerverified
Per 9 Inningsverified
273
1.34
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Career
Per 9 Innings
19
0.09
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mike Leake
Careerverified
Per 9 Inningsverified
505
2.48
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Careerverified
Per 9 Inningsverified
486
2.39
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Careerverified
Per 9 Inningsverified
96.24
96.24
Brian O'Connor
Career
Per 9 Innings
Mike Leake
Careerverified
Per 9 Inningsverified
1.615
1.615
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Careerverified
Per 9 Inningsverified
98.34
98.34
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
Mike Leake
Careerverified
Per 9 Inningsverified
28
0.14
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mike Leake
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0

Hitting Stats for Mike Leake and Brian O'Connor

Mike Leake
Careerverified
Per 600 PAverified
10
10
Brian O'Connor
Career
Per 600 PA
1
1
Mike Leake
Careerverified
Per 600 PA
338
369.4
Brian O'Connor
Career
Per 600 PAverified
6
1800
Mike Leake
Careerverified
Per 600 PA
549
600
Brian O'Connor
Career
Per 600 PA
2
600
Mike Leake
Careerverified
Per 600 PA
485
530.05
Brian O'Connor
Career
Per 600 PAverified
2
600
Mike Leake
Career
Per 600 PA
0.192
0.192
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mike Leake
Career
Per 600 PA
0.541
0.541
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mike Leake
Careerverified
Per 600 PA
93
101.64
Brian O'Connor
Career
Per 600 PAverified
1
300
Mike Leake
Careerverified
Per 600 PA
68
74.32
Brian O'Connor
Career
Per 600 PAverified
1
300
Mike Leake
Careerverified
Per 600 PAverified
18
19.67
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
1
1.09
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
6
6.56
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
25
27.32
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
0.269
0.269
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
0.012
0.012
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
0.065
0.065
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PA
28.78
31.45
Brian O'Connor
Career
Per 600 PAverified
0.47
140.43
Mike Leake
Careerverified
Per 600 PA
131
143.17
Brian O'Connor
Career
Per 600 PAverified
1
300
Mike Leake
Careerverified
Per 600 PA
111
121.31
Brian O'Connor
Career
Per 600 PAverified
1
300
Mike Leake
Career
Per 600 PA
0.221
0.221
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mike Leake
Career
Per 600 PA
0.27
0.27
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mike Leake
Career
Per 600 PA
0.491
0.491
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mike Leake
Careerverified
Per 600 PAverified
0.078
0.078
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Career
Per 600 PA
0.167
0.167
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
Mike Leake
Career
Per 600 PA
0.37
0.37
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mike Leake
Career
Per 600 PA
0.307
0.307
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mike Leake
Careerverified
Per 600 PAverified
46
50.27
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
32
34.97
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
72
78.69
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PA
24.58
26.86
Brian O'Connor
Career
Per 600 PAverified
0.52
156.97
Mike Leake
Careerverified
Per 600 PAverified
2
2.19
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
16
17.49
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Career
Per 600 PAverified
196
214.21
Brian O'Connor
Careerverified
Per 600 PA
1
300
Mike Leake
Careerverified
Per 600 PAverified
2.8
2.8
Brian O'Connor
Career
Per 600 PA
2
2
Mike Leake
Careerverified
Per 600 PAverified
0.08
0.08
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Careerverified
Per 600 PAverified
46
50.27
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Career
Per 600 PA
11
12.02
Brian O'Connor
Careerverified
Per 600 PAverified
0
0
Mike Leake
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mike Leake
Career
Per 600 PA
Brian O'Connor
Career
Per 600 PA