Jack Leiper vs. Brian O'Connor — Career Comparison

Pre-GenerationalPennsylvaniaThrows LeftBats LeftNorth AmericaColumbus SolonsAmerican AssociationRelief Pitcher
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher

Looking at the career totals, Jack Leiper and Brian O'Connor are fairly close on the surface numbers. Jack Leiper posted stronger numbers in WHIP (1.778 vs 1.865) and home runs allowed (0.6 per nine innings vs 1.46). Brian O'Connor had the advantage in ERA (5.11 vs 5.4). By the career numbers, Jack Leiper 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 Jack Leiper and Brian O'Connor

Jack Leiper
Career
Per 9 Innings
1
1
Brian O'Connor
Career
Per 9 Innings
1
1
Jack Leiper
Career
Per 9 Innings
6
1.2
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Jack Leiper
Careerverified
Per 9 Inningsverified
5
1
Brian O'Connor
Career
Per 9 Innings
1
0.73
Jack Leiper
Careerverified
Per 9 Inningsverified
2
0.4
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
2
0.4
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
50
50
Brian O'Connor
Career
Per 9 Innings
Jack Leiper
Careerverified
Per 9 Inningsverified
83.33
83.33
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
Jack Leiper
Careerverified
Per 9 Inningsverified
4
0.8
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
27
5.4
Brian O'Connor
Careerverified
Per 9 Inningsverified
7
5.11
Jack Leiper
Career
Per 9 Innings
5.4
5.4
Brian O'Connor
Careerverified
Per 9 Inningsverified
5.11
5.11
Jack Leiper
Careerverified
Per 9 Inningsverified
5.39
5.39
Brian O'Connor
Career
Per 9 Innings
6.5
6.5
Jack Leiper
Careerverified
Per 9 Inningsverified
5.89
5.89
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
Jack Leiper
Careerverified
Per 9 Inningsverified
0.234
0.234
Brian O'Connor
Career
Per 9 Innings
0.25
0.25
Jack Leiper
Careerverified
Per 9 Innings
135
27
Brian O'Connor
Career
Per 9 Innings
37
27
Jack Leiper
Careerverified
Per 9 Innings
45
9
Brian O'Connor
Career
Per 9 Innings
12.1
9
Jack Leiper
Career
Per 9 Inningsverified
41
8.2
Brian O'Connor
Careerverified
Per 9 Innings
12
8.76
Jack Leiper
Careerverified
Per 9 Inningsverified
8.2
8.2
Brian O'Connor
Career
Per 9 Innings
8.76
8.76
Jack Leiper
Career
Per 9 Inningsverified
3
0.6
Brian O'Connor
Careerverified
Per 9 Innings
2
1.46
Jack Leiper
Careerverified
Per 9 Inningsverified
0.6
0.6
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Jack Leiper
Career
Per 9 Innings
0.5
0.5
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.33
0.33
Jack Leiper
Career
Per 9 Inningsverified
39
7.8
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
7.8
7.8
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Jack Leiper
Careerverified
Per 9 Innings
19
3.8
Brian O'Connor
Career
Per 9 Inningsverified
7
5.11
Jack Leiper
Career
Per 9 Innings
3.8
3.8
Brian O'Connor
Careerverified
Per 9 Inningsverified
5.11
5.11
Jack Leiper
Careerverified
Per 9 Inningsverified
3.17
3.17
Brian O'Connor
Career
Per 9 Innings
1.17
1.17
Jack Leiper
Career
Per 9 Innings
1.289
1.289
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.46
1.46
Jack Leiper
Careerverified
Per 9 Inningsverified
3
0.6
Brian O'Connor
Career
Per 9 Innings
4
2.92
Jack Leiper
Career
Per 9 Innings
4
0.8
Brian O'Connor
Careerverified
Per 9 Inningsverified
1
0.73
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Innings
218
43.6
Brian O'Connor
Career
Per 9 Inningsverified
62
45.24
Jack Leiper
Career
Per 9 Innings
1
0.2
Brian O'Connor
Careerverified
Per 9 Inningsverified
2
1.46
Jack Leiper
Career
Per 9 Innings
43
8.6
Brian O'Connor
Careerverified
Per 9 Inningsverified
11
8.03
Jack Leiper
Career
Per 9 Innings
8.6
8.6
Brian O'Connor
Careerverified
Per 9 Inningsverified
8.03
8.03
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1
0.73
Jack Leiper
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1
0.73
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
1.778
1.778
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
Jack Leiper
Careerverified
Per 9 Innings
175
35
Brian O'Connor
Career
Per 9 Inningsverified
48
35.03
Jack Leiper
Career
Per 9 Innings
7.17
7.17
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.83
1.83
Jack Leiper
Careerverified
Per 9 Inningsverified
0.248
0.248
Brian O'Connor
Career
Per 9 Innings
0.256
0.256
Jack Leiper
Career
Per 9 Innings
43.6
43.6
Brian O'Connor
Careerverified
Per 9 Inningsverified
45.24
45.24

Fielding Stats for Jack Leiper and Brian O'Connor

Jack Leiper
Career
Per 9 Innings
1
1
Brian O'Connor
Career
Per 9 Innings
1
1
Jack Leiper
Careerverified
Per 9 Innings
7
1.26
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
1
0.73
Jack Leiper
Careerverified
Per 9 Innings
150
27
Brian O'Connor
Career
Per 9 Innings
37
27
Jack Leiper
Careerverified
Per 9 Innings
50
9
Brian O'Connor
Career
Per 9 Innings
12.1
9
Jack Leiper
Careerverified
Per 9 Inningsverified
4
0.72
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
8
1.44
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
3
0.54
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
15
2.7
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
12
2.16
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Careerverified
Per 9 Inningsverified
80
80
Brian O'Connor
Career
Per 9 Innings
Jack Leiper
Careerverified
Per 9 Inningsverified
1.714
1.714
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
16.67
16.67
Jack Leiper
Careerverified
Per 9 Inningsverified
1
0.18
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Jack Leiper
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0

Hitting Stats for Jack Leiper and Brian O'Connor

Jack Leiper
Career
Per 600 PA
1
1
Brian O'Connor
Career
Per 600 PA
1
1
Jack Leiper
Career
Per 600 PA
6
171.43
Brian O'Connor
Career
Per 600 PAverified
6
1800
Jack Leiper
Careerverified
Per 600 PA
21
600
Brian O'Connor
Career
Per 600 PA
2
600
Jack Leiper
Careerverified
Per 600 PA
21
600
Brian O'Connor
Career
Per 600 PA
2
600
Jack Leiper
Career
Per 600 PA
0.143
0.143
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Jack Leiper
Career
Per 600 PA
0.286
0.286
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Jack Leiper
Careerverified
Per 600 PA
3
85.71
Brian O'Connor
Career
Per 600 PAverified
1
300
Jack Leiper
Careerverified
Per 600 PA
3
85.71
Brian O'Connor
Career
Per 600 PAverified
1
300
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0.38
10.96
Brian O'Connor
Careerverified
Per 600 PAverified
0.47
140.43
Jack Leiper
Careerverified
Per 600 PA
3
85.71
Brian O'Connor
Career
Per 600 PAverified
1
300
Jack Leiper
Careerverified
Per 600 PA
3
85.71
Brian O'Connor
Career
Per 600 PAverified
1
300
Jack Leiper
Career
Per 600 PA
0.143
0.143
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Jack Leiper
Career
Per 600 PA
0.143
0.143
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Jack Leiper
Career
Per 600 PA
0.286
0.286
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0.1
0.1
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
Jack Leiper
Career
Per 600 PA
0.167
0.167
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Jack Leiper
Career
Per 600 PA
0.2
0.2
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Jack Leiper
Careerverified
Per 600 PAverified
2
57.14
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
3
85.71
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Careerverified
Per 600 PAverified
5
142.86
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
-0.11
-3.09
Brian O'Connor
Careerverified
Per 600 PAverified
0.52
156.97
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PAverified
6
171.43
Brian O'Connor
Careerverified
Per 600 PA
1
300
Jack Leiper
Careerverified
Per 600 PAverified
3.5
3.5
Brian O'Connor
Career
Per 600 PA
2
2
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Jack Leiper
Career
Per 600 PA
Brian O'Connor
Career
Per 600 PA