Brian O'Connor vs. Mariano Rivera — Career Comparison

Brian O'Connor
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher
Mariano Rivera
Gen XPanamaThrows RightBats RightCentral AmericaNew York YankeesAmerican LeagueHall of FameRelief PitcherAll-Star

On the career pitching numbers, Mariano Rivera posted a stronger line than Brian O'Connor. Mariano Rivera posted stronger numbers in ERA (2.21 vs 5.11) and WHIP (1.032 vs 1.865). By the career numbers, Mariano Rivera 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 Brian O'Connor and Mariano Rivera

Brian O'Connor
Career
Per 9 Innings
1
1
Mariano Rivera
Careerverified
Per 9 Inningsverified
19
19
Brian O'Connor
Career
Per 9 Innings
6
4.38
Mariano Rivera
Careerverified
Per 9 Inningsverified
1115
7.82
Brian O'Connor
Career
Per 9 Inningsverified
1
0.73
Mariano Rivera
Careerverified
Per 9 Innings
10
0.07
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Careerverified
Per 9 Inningsverified
82
0.57
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mariano Rivera
Career
Per 9 Innings
60
0.42
Brian O'Connor
Career
Per 9 Innings
Mariano Rivera
Careerverified
Per 9 Inningsverified
57.75
57.75
Brian O'Connor
Careerverified
Per 9 Inningsverified
16.67
16.67
Mariano Rivera
Career
Per 9 Innings
0.9
0.9
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Careerverified
Per 9 Inningsverified
652
4.57
Brian O'Connor
Careerverified
Per 9 Innings
7
5.11
Mariano Rivera
Career
Per 9 Inningsverified
315
2.21
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Mariano Rivera
Careerverified
Per 9 Inningsverified
2.21
2.21
Brian O'Connor
Career
Per 9 Innings
6.5
6.5
Mariano Rivera
Careerverified
Per 9 Inningsverified
2.09
2.09
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
Mariano Rivera
Careerverified
Per 9 Inningsverified
2.67
2.67
Brian O'Connor
Career
Per 9 Innings
0.25
0.25
Mariano Rivera
Careerverified
Per 9 Inningsverified
0.211
0.211
Brian O'Connor
Career
Per 9 Innings
37
27
Mariano Rivera
Careerverified
Per 9 Innings
3851
27
Brian O'Connor
Career
Per 9 Innings
12.1
9
Mariano Rivera
Careerverified
Per 9 Innings
1283.2
9
Brian O'Connor
Careerverified
Per 9 Innings
12
8.76
Mariano Rivera
Career
Per 9 Inningsverified
998
7
Brian O'Connor
Career
Per 9 Innings
8.76
8.76
Mariano Rivera
Careerverified
Per 9 Inningsverified
7
7
Brian O'Connor
Careerverified
Per 9 Innings
2
1.46
Mariano Rivera
Career
Per 9 Inningsverified
71
0.5
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Mariano Rivera
Careerverified
Per 9 Inningsverified
0.5
0.5
Brian O'Connor
Career
Per 9 Innings
0.33
0.33
Mariano Rivera
Careerverified
Per 9 Inningsverified
0.06
0.06
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Mariano Rivera
Career
Per 9 Inningsverified
286
2.01
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mariano Rivera
Career
Per 9 Innings
41
0.29
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Mariano Rivera
Careerverified
Per 9 Inningsverified
2.01
2.01
Brian O'Connor
Career
Per 9 Innings
7
5.11
Mariano Rivera
Careerverified
Per 9 Inningsverified
1173
8.22
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Mariano Rivera
Careerverified
Per 9 Inningsverified
8.22
8.22
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.17
1.17
Mariano Rivera
Career
Per 9 Innings
1.05
1.05
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.46
1.46
Mariano Rivera
Career
Per 9 Innings
1.137
1.137
Brian O'Connor
Careerverified
Per 9 Innings
4
2.92
Mariano Rivera
Career
Per 9 Inningsverified
13
0.09
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Mariano Rivera
Career
Per 9 Inningsverified
46
0.32
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mariano Rivera
Career
Per 9 Innings
3
0.02
Brian O'Connor
Career
Per 9 Inningsverified
62
45.24
Mariano Rivera
Careerverified
Per 9 Innings
5103
35.78
Brian O'Connor
Career
Per 9 Innings
2
1.46
Mariano Rivera
Careerverified
Per 9 Inningsverified
952
6.67
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Mariano Rivera
Career
Per 9 Inningsverified
340
2.38
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Mariano Rivera
Careerverified
Per 9 Inningsverified
2.38
2.38
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Mariano Rivera
Career
Per 9 Inningsverified
26
0.18
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Mariano Rivera
Career
Per 9 Inningsverified
25
0.18
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Careerverified
Per 9 Inningsverified
88
0.62
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
Mariano Rivera
Careerverified
Per 9 Inningsverified
1
1
Brian O'Connor
Career
Per 9 Inningsverified
48
35.03
Mariano Rivera
Careerverified
Per 9 Innings
4720
33.09
Brian O'Connor
Career
Per 9 Innings
1.83
1.83
Mariano Rivera
Careerverified
Per 9 Inningsverified
0.3
0.3
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Mariano Rivera
Career
Per 9 Innings
0.267
0.267
Brian O'Connor
Careerverified
Per 9 Inningsverified
45.24
45.24
Mariano Rivera
Career
Per 9 Innings
35.78
35.78

Fielding Stats for Brian O'Connor and Mariano Rivera

Brian O'Connor
Career
Per 9 Innings
1
1
Mariano Rivera
Careerverified
Per 9 Inningsverified
19
19
Brian O'Connor
Career
Per 9 Innings
6
4.38
Mariano Rivera
Careerverified
Per 9 Inningsverified
1115
7.82
Brian O'Connor
Career
Per 9 Inningsverified
1
0.73
Mariano Rivera
Careerverified
Per 9 Innings
10
0.07
Brian O'Connor
Career
Per 9 Innings
37
27
Mariano Rivera
Careerverified
Per 9 Innings
3851
27
Brian O'Connor
Career
Per 9 Innings
12.1
9
Mariano Rivera
Careerverified
Per 9 Innings
1283.2
9
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Careerverified
Per 9 Inningsverified
110
0.77
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Careerverified
Per 9 Inningsverified
258
1.81
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Mariano Rivera
Career
Per 9 Innings
6
0.04
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Careerverified
Per 9 Inningsverified
374
2.62
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Careerverified
Per 9 Inningsverified
368
2.58
Brian O'Connor
Career
Per 9 Innings
Mariano Rivera
Careerverified
Per 9 Inningsverified
98.4
98.4
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Careerverified
Per 9 Inningsverified
0.33
0.33
Brian O'Connor
Careerverified
Per 9 Inningsverified
16.67
16.67
Mariano Rivera
Career
Per 9 Innings
0.9
0.9
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Careerverified
Per 9 Inningsverified
12
0.08
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Mariano Rivera
Career
Per 9 Innings
0
0

Hitting Stats for Brian O'Connor and Mariano Rivera

Brian O'Connor
Career
Per 600 PA
1
1
Mariano Rivera
Careerverified
Per 600 PAverified
19
19
Brian O'Connor
Career
Per 600 PA
6
1800
Mariano Rivera
Careerverified
Per 600 PAverified
1115
167250
Brian O'Connor
Career
Per 600 PA
2
600
Mariano Rivera
Careerverified
Per 600 PA
4
600
Brian O'Connor
Career
Per 600 PAverified
2
600
Mariano Rivera
Careerverified
Per 600 PA
3
450
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mariano Rivera
Career
Per 600 PA
0.375
0.375
Brian O'Connor
Careerverified
Per 600 PAverified
1
300
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
300
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
Brian O'Connor
Careerverified
Per 600 PAverified
0.47
140.43
Mariano Rivera
Career
Per 600 PA
0.04
5.31
Brian O'Connor
Careerverified
Per 600 PAverified
1
300
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PAverified
1
300
Mariano Rivera
Career
Per 600 PA
1
150
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mariano Rivera
Career
Per 600 PA
0.25
0.25
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mariano Rivera
Career
Per 600 PA
0.25
0.25
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
Mariano Rivera
Career
Per 600 PA
0.113
0.113
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mariano Rivera
Career
Per 600 PA
0.333
0.333
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Careerverified
Per 600 PAverified
1
150
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Careerverified
Per 600 PAverified
1
150
Brian O'Connor
Careerverified
Per 600 PAverified
0.52
156.97
Mariano Rivera
Career
Per 600 PA
0.01
1.04
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Careerverified
Per 600 PAverified
1
150
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
1
300
Mariano Rivera
Career
Per 600 PAverified
1
150
Brian O'Connor
Career
Per 600 PA
2
2
Mariano Rivera
Careerverified
Per 600 PAverified
4
4
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Careerverified
Per 600 PAverified
1
1
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Mariano Rivera
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
Mariano Rivera
Career
Per 600 PA