Rudy Kallio vs. Brian O'Connor — Career Comparison

Rudy Kallio
Lost GenerationOregonThrows RightBats RightNorth AmericaDetroit TigersAmerican LeagueStarting Pitcher
Brian O'Connor
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher

Rudy Kallio 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. Rudy Kallio posted stronger surface numbers — ERA 4.17 and WHIP 1.471 compared to 5.11 and 1.865 for Brian O'Connor. By the career numbers, Rudy Kallio had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Rudy Kallio and Brian O'Connor

Rudy Kallio
Careerverified
Per 9 Inningsverified
3
3
Brian O'Connor
Career
Per 9 Innings
1
1
Rudy Kallio
Careerverified
Per 9 Innings
49
1.98
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Rudy Kallio
Careerverified
Per 9 Inningsverified
27
1.09
Brian O'Connor
Career
Per 9 Innings
1
0.73
Rudy Kallio
Careerverified
Per 9 Inningsverified
9
0.36
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Career
Per 9 Innings
18
0.73
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Rudy Kallio
Careerverified
Per 9 Inningsverified
33.33
33.33
Brian O'Connor
Career
Per 9 Innings
Rudy Kallio
Careerverified
Per 9 Inningsverified
55.1
55.1
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
Rudy Kallio
Careerverified
Per 9 Inningsverified
10
0.4
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Careerverified
Per 9 Inningsverified
2
0.08
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Careerverified
Per 9 Inningsverified
1
0.04
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Career
Per 9 Inningsverified
103
4.17
Brian O'Connor
Careerverified
Per 9 Innings
7
5.11
Rudy Kallio
Careerverified
Per 9 Inningsverified
4.17
4.17
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Rudy Kallio
Careerverified
Per 9 Inningsverified
3.78
3.78
Brian O'Connor
Career
Per 9 Innings
6.5
6.5
Rudy Kallio
Careerverified
Per 9 Inningsverified
3.62
3.62
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
Rudy Kallio
Career
Per 9 Innings
0.268
0.268
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.25
0.25
Rudy Kallio
Careerverified
Per 9 Innings
667
27
Brian O'Connor
Career
Per 9 Innings
37
27
Rudy Kallio
Careerverified
Per 9 Innings
222.1
9
Brian O'Connor
Career
Per 9 Innings
12.1
9
Rudy Kallio
Career
Per 9 Innings
234
9.47
Brian O'Connor
Careerverified
Per 9 Inningsverified
12
8.76
Rudy Kallio
Career
Per 9 Innings
9.47
9.47
Brian O'Connor
Careerverified
Per 9 Inningsverified
8.76
8.76
Rudy Kallio
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
2
1.46
Rudy Kallio
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Rudy Kallio
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
0.33
0.33
Rudy Kallio
Career
Per 9 Inningsverified
93
3.76
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Rudy Kallio
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Careerverified
Per 9 Inningsverified
3.76
3.76
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Rudy Kallio
Careerverified
Per 9 Innings
75
3.04
Brian O'Connor
Career
Per 9 Inningsverified
7
5.11
Rudy Kallio
Career
Per 9 Innings
3.04
3.04
Brian O'Connor
Careerverified
Per 9 Inningsverified
5.11
5.11
Rudy Kallio
Careerverified
Per 9 Inningsverified
1.53
1.53
Brian O'Connor
Career
Per 9 Innings
1.17
1.17
Rudy Kallio
Career
Per 9 Innings
0.756
0.756
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.46
1.46
Rudy Kallio
Career
Per 9 Inningsverified
10
0.4
Brian O'Connor
Careerverified
Per 9 Innings
4
2.92
Rudy Kallio
Career
Per 9 Inningsverified
3
0.12
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Rudy Kallio
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Careerverified
Per 9 Innings
970
39.27
Brian O'Connor
Career
Per 9 Inningsverified
62
45.24
Rudy Kallio
Careerverified
Per 9 Innings
18
0.73
Brian O'Connor
Career
Per 9 Inningsverified
2
1.46
Rudy Kallio
Career
Per 9 Inningsverified
124
5.02
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Rudy Kallio
Careerverified
Per 9 Inningsverified
5.02
5.02
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Rudy Kallio
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1
0.73
Rudy Kallio
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1
0.73
Rudy Kallio
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Careerverified
Per 9 Inningsverified
1.471
1.471
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
Rudy Kallio
Careerverified
Per 9 Inningsverified
874
35.38
Brian O'Connor
Career
Per 9 Innings
48
35.03
Rudy Kallio
Career
Per 9 Innings
2.53
2.53
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.83
1.83
Rudy Kallio
Career
Per 9 Innings
0.293
0.293
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Rudy Kallio
Career
Per 9 Innings
39.27
39.27
Brian O'Connor
Careerverified
Per 9 Inningsverified
45.24
45.24

Fielding Stats for Rudy Kallio and Brian O'Connor

Rudy Kallio
Careerverified
Per 9 Innings
3
Brian O'Connor
Career
Per 9 Inningsverified
1
1
Rudy Kallio
Careerverified
Per 9 Innings
50
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Rudy Kallio
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
1
0.73
Rudy Kallio
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
37
27
Rudy Kallio
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
12.1
9
Rudy Kallio
Careerverified
Per 9 Innings
12
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Careerverified
Per 9 Innings
55
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Career
Per 9 Innings
5
Brian O'Connor
Careerverified
Per 9 Innings
0
0
Rudy Kallio
Careerverified
Per 9 Innings
72
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Careerverified
Per 9 Innings
67
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Careerverified
Per 9 Innings
93.06
Brian O'Connor
Career
Per 9 Innings
Rudy Kallio
Careerverified
Per 9 Innings
1.34
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
16.67
16.67
Rudy Kallio
Careerverified
Per 9 Innings
1
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Rudy Kallio
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0

Hitting Stats for Rudy Kallio and Brian O'Connor

Rudy Kallio
Careerverified
Per 600 PAverified
3
3
Brian O'Connor
Career
Per 600 PA
1
1
Rudy Kallio
Careerverified
Per 600 PA
50
394.74
Brian O'Connor
Career
Per 600 PAverified
6
1800
Rudy Kallio
Careerverified
Per 600 PA
76
600
Brian O'Connor
Career
Per 600 PA
2
600
Rudy Kallio
Careerverified
Per 600 PA
66
521.05
Brian O'Connor
Career
Per 600 PAverified
2
600
Rudy Kallio
Career
Per 600 PA
0.167
0.167
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Rudy Kallio
Career
Per 600 PA
0.461
0.461
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Rudy Kallio
Careerverified
Per 600 PA
11
86.84
Brian O'Connor
Career
Per 600 PAverified
1
300
Rudy Kallio
Careerverified
Per 600 PA
11
86.84
Brian O'Connor
Career
Per 600 PAverified
1
300
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Careerverified
Per 600 PA
2.69
21.24
Brian O'Connor
Career
Per 600 PAverified
0.47
140.43
Rudy Kallio
Careerverified
Per 600 PA
11
86.84
Brian O'Connor
Career
Per 600 PAverified
1
300
Rudy Kallio
Careerverified
Per 600 PA
17
134.21
Brian O'Connor
Career
Per 600 PAverified
1
300
Rudy Kallio
Career
Per 600 PA
0.236
0.236
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Rudy Kallio
Career
Per 600 PA
0.167
0.167
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Rudy Kallio
Career
Per 600 PA
0.403
0.403
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0.148
0.148
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
Rudy Kallio
Career
Per 600 PA
0.309
0.309
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Rudy Kallio
Career
Per 600 PA
0.262
0.262
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Rudy Kallio
Careerverified
Per 600 PAverified
7
55.26
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Careerverified
Per 600 PAverified
3
23.68
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Careerverified
Per 600 PAverified
10
78.95
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Careerverified
Per 600 PA
2.88
22.71
Brian O'Connor
Career
Per 600 PAverified
0.52
156.97
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Careerverified
Per 600 PAverified
6
47.37
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PAverified
24
189.47
Brian O'Connor
Careerverified
Per 600 PA
1
300
Rudy Kallio
Careerverified
Per 600 PAverified
3.17
3.17
Brian O'Connor
Career
Per 600 PA
2
2
Rudy Kallio
Careerverified
Per 600 PAverified
0.25
0.25
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Careerverified
Per 600 PAverified
4
31.58
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Rudy Kallio
Career
Per 600 PA
Brian O'Connor
Career
Per 600 PA