Mark Leiter Jr. vs. Brian O'Connor — Career Comparison

Mark Leiter Jr.
MillenialFloridaThrows RightBats RightNorth AmericaNew York YankeesAmerican LeagueRelief Pitcher
Brian O'Connor
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher

On the career pitching numbers, Mark Leiter Jr. posted a stronger line than Brian O'Connor. Mark Leiter Jr. posted stronger numbers in ERA (4.6 vs 5.11) and WHIP (1.351 vs 1.865). By the career numbers, Mark Leiter Jr. had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.

Pitching Stats for Mark Leiter Jr. and Brian O'Connor

Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
6
6
Brian O'Connor
Career
Per 9 Innings
1
1
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
270
6.9
Brian O'Connor
Career
Per 9 Innings
6
4.38
Mark Leiter Jr.
Careerverified
Per 9 Innings
15
0.38
Brian O'Connor
Career
Per 9 Inningsverified
1
0.73
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
16
0.41
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Career
Per 9 Innings
29
0.74
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
35.56
35.56
Brian O'Connor
Career
Per 9 Innings
Mark Leiter Jr.
Career
Per 9 Innings
5.56
5.56
Brian O'Connor
Careerverified
Per 9 Inningsverified
16.67
16.67
Mark Leiter Jr.
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
9
0.23
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Career
Per 9 Inningsverified
180
4.6
Brian O'Connor
Careerverified
Per 9 Innings
7
5.11
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
4.6
4.6
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
4.37
4.37
Brian O'Connor
Career
Per 9 Innings
6.5
6.5
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
4.16
4.16
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
0.246
0.246
Brian O'Connor
Career
Per 9 Innings
0.25
0.25
Mark Leiter Jr.
Careerverified
Per 9 Innings
1057
27
Brian O'Connor
Career
Per 9 Innings
37
27
Mark Leiter Jr.
Careerverified
Per 9 Innings
352.1
9
Brian O'Connor
Career
Per 9 Innings
12.1
9
Mark Leiter Jr.
Career
Per 9 Inningsverified
337
8.61
Brian O'Connor
Careerverified
Per 9 Innings
12
8.76
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
8.61
8.61
Brian O'Connor
Career
Per 9 Innings
8.76
8.76
Mark Leiter Jr.
Career
Per 9 Inningsverified
55
1.4
Brian O'Connor
Careerverified
Per 9 Innings
2
1.46
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
1.4
1.4
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
0.2
0.2
Brian O'Connor
Career
Per 9 Innings
0.33
0.33
Mark Leiter Jr.
Career
Per 9 Inningsverified
131
3.35
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Mark Leiter Jr.
Career
Per 9 Innings
8
0.2
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
3.35
3.35
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
396
10.12
Brian O'Connor
Career
Per 9 Innings
7
5.11
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
10.12
10.12
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
1.47
1.47
Brian O'Connor
Career
Per 9 Innings
1.17
1.17
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
1.496
1.496
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Mark Leiter Jr.
Career
Per 9 Inningsverified
25
0.64
Brian O'Connor
Careerverified
Per 9 Innings
4
2.92
Mark Leiter Jr.
Career
Per 9 Innings
31
0.79
Brian O'Connor
Careerverified
Per 9 Inningsverified
1
0.73
Mark Leiter Jr.
Career
Per 9 Innings
1
0.03
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mark Leiter Jr.
Careerverified
Per 9 Innings
1544
39.44
Brian O'Connor
Career
Per 9 Inningsverified
62
45.24
Mark Leiter Jr.
Careerverified
Per 9 Innings
50
1.28
Brian O'Connor
Career
Per 9 Inningsverified
2
1.46
Mark Leiter Jr.
Career
Per 9 Inningsverified
211
5.39
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
5.39
5.39
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Mark Leiter Jr.
Career
Per 9 Inningsverified
2
0.05
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Mark Leiter Jr.
Career
Per 9 Inningsverified
10
0.26
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
21
0.54
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
1.328
1.328
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
Mark Leiter Jr.
Careerverified
Per 9 Innings
1370
35
Brian O'Connor
Career
Per 9 Inningsverified
48
35.03
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
0.78
0.78
Brian O'Connor
Career
Per 9 Innings
1.83
1.83
Mark Leiter Jr.
Career
Per 9 Innings
0.307
0.307
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Mark Leiter Jr.
Career
Per 9 Innings
39.44
39.44
Brian O'Connor
Careerverified
Per 9 Inningsverified
45.24
45.24

Fielding Stats for Mark Leiter Jr. and Brian O'Connor

Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
6
6
Brian O'Connor
Career
Per 9 Innings
1
1
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
270
6.9
Brian O'Connor
Career
Per 9 Innings
6
4.38
Mark Leiter Jr.
Careerverified
Per 9 Innings
15
0.38
Brian O'Connor
Career
Per 9 Inningsverified
1
0.73
Mark Leiter Jr.
Careerverified
Per 9 Innings
1057
27
Brian O'Connor
Career
Per 9 Innings
37
27
Mark Leiter Jr.
Careerverified
Per 9 Innings
352.1
9
Brian O'Connor
Career
Per 9 Innings
12.1
9
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
22
0.56
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
28
0.72
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Career
Per 9 Innings
2
0.05
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
52
1.33
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
50
1.28
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
96.15
96.15
Brian O'Connor
Career
Per 9 Innings
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
0.185
0.185
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Career
Per 9 Innings
5.56
5.56
Brian O'Connor
Careerverified
Per 9 Inningsverified
16.67
16.67
Mark Leiter Jr.
Careerverified
Per 9 Inningsverified
2
0.05
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mark Leiter Jr.
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0

Hitting Stats for Mark Leiter Jr. and Brian O'Connor

Mark Leiter Jr.
Careerverified
Per 600 PAverified
6
6
Brian O'Connor
Career
Per 600 PA
1
1
Mark Leiter Jr.
Careerverified
Per 600 PAverified
270
5586.21
Brian O'Connor
Career
Per 600 PA
6
1800
Mark Leiter Jr.
Careerverified
Per 600 PA
29
600
Brian O'Connor
Career
Per 600 PA
2
600
Mark Leiter Jr.
Careerverified
Per 600 PA
28
579.31
Brian O'Connor
Career
Per 600 PAverified
2
600
Mark Leiter Jr.
Career
Per 600 PA
0.071
0.071
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mark Leiter Jr.
Career
Per 600 PA
0.172
0.172
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mark Leiter Jr.
Careerverified
Per 600 PA
2
41.38
Brian O'Connor
Career
Per 600 PAverified
1
300
Mark Leiter Jr.
Careerverified
Per 600 PA
2
41.38
Brian O'Connor
Career
Per 600 PAverified
1
300
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0.06
1.15
Brian O'Connor
Careerverified
Per 600 PAverified
0.47
140.43
Mark Leiter Jr.
Careerverified
Per 600 PA
2
41.38
Brian O'Connor
Career
Per 600 PAverified
1
300
Mark Leiter Jr.
Careerverified
Per 600 PA
2
41.38
Brian O'Connor
Career
Per 600 PAverified
1
300
Mark Leiter Jr.
Career
Per 600 PA
0.071
0.071
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mark Leiter Jr.
Career
Per 600 PA
0.071
0.071
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mark Leiter Jr.
Career
Per 600 PA
0.143
0.143
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0.05
0.05
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
Mark Leiter Jr.
Career
Per 600 PA
0.074
0.074
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mark Leiter Jr.
Career
Per 600 PA
0.143
0.143
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
-1.91
-39.49
Brian O'Connor
Careerverified
Per 600 PAverified
0.52
156.97
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PAverified
14
289.66
Brian O'Connor
Careerverified
Per 600 PA
1
300
Mark Leiter Jr.
Careerverified
Per 600 PAverified
2.07
2.07
Brian O'Connor
Career
Per 600 PA
2
2
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Careerverified
Per 600 PAverified
1
20.69
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
1
20.69
Brian O'Connor
Careerverified
Per 600 PAverified
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mark Leiter Jr.
Career
Per 600 PA
Brian O'Connor
Career
Per 600 PA