Brian O'Connor vs. Tony Welzer — Career Comparison

Brian O'Connor
Gen XOhioThrows LeftBats LeftNorth AmericaPittsburgh PiratesNational LeagueRelief Pitcher
Tony Welzer
Lost GenerationGermanyThrows RightBats RightEuropeBoston Red SoxAmerican LeagueStarting Pitcher

Tony Welzer 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. Tony Welzer posted stronger surface numbers — ERA 4.78 and WHIP 1.626 compared to 5.11 and 1.865 for Brian O'Connor. By the career numbers, Tony Welzer had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Brian O'Connor and Tony Welzer

Brian O'Connor
Career
Per 9 Innings
1
1
Tony Welzer
Careerverified
Per 9 Inningsverified
2
2
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Tony Welzer
Careerverified
Per 9 Innings
76
2.2
Brian O'Connor
Career
Per 9 Inningsverified
1
0.73
Tony Welzer
Careerverified
Per 9 Innings
25
0.72
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Inningsverified
10
0.29
Brian O'Connor
Careerverified
Per 9 Inningsverified
0
0
Tony Welzer
Career
Per 9 Innings
14
0.41
Brian O'Connor
Career
Per 9 Innings
Tony Welzer
Careerverified
Per 9 Inningsverified
41.67
41.67
Brian O'Connor
Career
Per 9 Innings
16.67
16.67
Tony Welzer
Careerverified
Per 9 Inningsverified
32.89
32.89
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Inningsverified
9
0.26
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Inningsverified
1
0.03
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Inningsverified
1
0.03
Brian O'Connor
Careerverified
Per 9 Innings
7
5.11
Tony Welzer
Career
Per 9 Inningsverified
165
4.78
Brian O'Connor
Career
Per 9 Innings
5.11
5.11
Tony Welzer
Careerverified
Per 9 Inningsverified
4.78
4.78
Brian O'Connor
Career
Per 9 Innings
6.5
6.5
Tony Welzer
Careerverified
Per 9 Inningsverified
5.06
5.06
Brian O'Connor
Career
Per 9 Innings
6.89
6.89
Tony Welzer
Careerverified
Per 9 Inningsverified
4.35
4.35
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.25
0.25
Tony Welzer
Career
Per 9 Innings
0.297
0.297
Brian O'Connor
Career
Per 9 Innings
37
27
Tony Welzer
Careerverified
Per 9 Innings
932
27
Brian O'Connor
Career
Per 9 Innings
12.1
9
Tony Welzer
Careerverified
Per 9 Innings
310.2
9
Brian O'Connor
Careerverified
Per 9 Inningsverified
12
8.76
Tony Welzer
Career
Per 9 Innings
381
11.04
Brian O'Connor
Careerverified
Per 9 Inningsverified
8.76
8.76
Tony Welzer
Career
Per 9 Innings
11.04
11.04
Brian O'Connor
Careerverified
Per 9 Innings
2
1.46
Tony Welzer
Career
Per 9 Inningsverified
15
0.43
Brian O'Connor
Career
Per 9 Innings
1.46
1.46
Tony Welzer
Careerverified
Per 9 Inningsverified
0.43
0.43
Brian O'Connor
Career
Per 9 Innings
0.33
0.33
Tony Welzer
Careerverified
Per 9 Inningsverified
0.2
0.2
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Tony Welzer
Career
Per 9 Inningsverified
124
3.59
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Tony Welzer
Careerverified
Per 9 Inningsverified
3.59
3.59
Brian O'Connor
Career
Per 9 Inningsverified
7
5.11
Tony Welzer
Careerverified
Per 9 Innings
85
2.46
Brian O'Connor
Careerverified
Per 9 Inningsverified
5.11
5.11
Tony Welzer
Career
Per 9 Innings
2.46
2.46
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.17
1.17
Tony Welzer
Career
Per 9 Innings
1.12
1.12
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.46
1.46
Tony Welzer
Career
Per 9 Innings
0.673
0.673
Brian O'Connor
Careerverified
Per 9 Innings
4
2.92
Tony Welzer
Career
Per 9 Inningsverified
5
0.14
Brian O'Connor
Careerverified
Per 9 Innings
1
0.73
Tony Welzer
Career
Per 9 Inningsverified
7
0.2
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Inningsverified
62
45.24
Tony Welzer
Careerverified
Per 9 Innings
1413
40.93
Brian O'Connor
Career
Per 9 Inningsverified
2
1.46
Tony Welzer
Careerverified
Per 9 Innings
31
0.9
Brian O'Connor
Careerverified
Per 9 Innings
11
8.03
Tony Welzer
Career
Per 9 Inningsverified
197
5.71
Brian O'Connor
Career
Per 9 Innings
8.03
8.03
Tony Welzer
Careerverified
Per 9 Inningsverified
5.71
5.71
Brian O'Connor
Career
Per 9 Innings
1
0.73
Tony Welzer
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
1
0.73
Tony Welzer
Careerverified
Per 9 Inningsverified
0
0
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Career
Per 9 Innings
0
0
Brian O'Connor
Career
Per 9 Innings
1.865
1.865
Tony Welzer
Careerverified
Per 9 Inningsverified
1.626
1.626
Brian O'Connor
Career
Per 9 Innings
48
35.03
Tony Welzer
Careerverified
Per 9 Inningsverified
1282
37.14
Brian O'Connor
Careerverified
Per 9 Inningsverified
1.83
1.83
Tony Welzer
Career
Per 9 Innings
2.59
2.59
Brian O'Connor
Careerverified
Per 9 Inningsverified
0.256
0.256
Tony Welzer
Career
Per 9 Innings
0.31
0.31
Brian O'Connor
Careerverified
Per 9 Inningsverified
45.24
45.24
Tony Welzer
Career
Per 9 Innings
40.93
40.93

Fielding Stats for Brian O'Connor and Tony Welzer

Brian O'Connor
Career
Per 9 Inningsverified
1
1
Tony Welzer
Careerverified
Per 9 Innings
2
Brian O'Connor
Career
Per 9 Inningsverified
6
4.38
Tony Welzer
Careerverified
Per 9 Innings
76
Brian O'Connor
Careerverified
Per 9 Inningsverified
1
0.73
Tony Welzer
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
37
27
Tony Welzer
Career
Per 9 Innings
0
Brian O'Connor
Careerverified
Per 9 Inningsverified
12.1
9
Tony Welzer
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Innings
10
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Innings
99
Brian O'Connor
Careerverified
Per 9 Innings
0
0
Tony Welzer
Career
Per 9 Innings
3
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Innings
112
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Innings
109
Brian O'Connor
Career
Per 9 Innings
Tony Welzer
Careerverified
Per 9 Innings
97.32
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Innings
1.434
Brian O'Connor
Careerverified
Per 9 Inningsverified
16.67
16.67
Tony Welzer
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Careerverified
Per 9 Innings
5
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Career
Per 9 Innings
0
Brian O'Connor
Career
Per 9 Innings
0
0
Tony Welzer
Career
Per 9 Innings
0

Hitting Stats for Brian O'Connor and Tony Welzer

Brian O'Connor
Career
Per 600 PA
1
1
Tony Welzer
Careerverified
Per 600 PAverified
2
2
Brian O'Connor
Career
Per 600 PAverified
6
1800
Tony Welzer
Careerverified
Per 600 PA
76
442.72
Brian O'Connor
Career
Per 600 PA
2
600
Tony Welzer
Careerverified
Per 600 PA
103
600
Brian O'Connor
Career
Per 600 PAverified
2
600
Tony Welzer
Careerverified
Per 600 PA
80
466.02
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Tony Welzer
Career
Per 600 PA
0.15
0.15
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Tony Welzer
Career
Per 600 PA
0.553
0.553
Brian O'Connor
Career
Per 600 PAverified
1
300
Tony Welzer
Careerverified
Per 600 PA
12
69.9
Brian O'Connor
Career
Per 600 PAverified
1
300
Tony Welzer
Careerverified
Per 600 PA
10
58.25
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
2
11.65
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
2
11.65
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
0.167
0.167
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PAverified
0.47
140.43
Tony Welzer
Careerverified
Per 600 PA
5.17
30.12
Brian O'Connor
Career
Per 600 PAverified
1
300
Tony Welzer
Careerverified
Per 600 PA
14
81.55
Brian O'Connor
Career
Per 600 PAverified
1
300
Tony Welzer
Careerverified
Per 600 PA
28
163.11
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Tony Welzer
Career
Per 600 PA
0.292
0.292
Brian O'Connor
Careerverified
Per 600 PAverified
0.5
0.5
Tony Welzer
Career
Per 600 PA
0.175
0.175
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Tony Welzer
Career
Per 600 PA
0.467
0.467
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
0.025
0.025
Brian O'Connor
Careerverified
Per 600 PAverified
0.35
0.35
Tony Welzer
Career
Per 600 PA
0.175
0.175
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Tony Welzer
Career
Per 600 PA
0.441
0.441
Brian O'Connor
Careerverified
Per 600 PAverified
1
1
Tony Welzer
Career
Per 600 PA
0.185
0.185
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
8
46.6
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
6
34.95
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
14
81.55
Brian O'Connor
Career
Per 600 PAverified
0.52
156.97
Tony Welzer
Careerverified
Per 600 PA
5.97
34.77
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
16
93.2
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Careerverified
Per 600 PA
1
300
Tony Welzer
Career
Per 600 PAverified
15
87.38
Brian O'Connor
Career
Per 600 PA
2
2
Tony Welzer
Careerverified
Per 600 PAverified
6.87
6.87
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
1.07
1.07
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Careerverified
Per 600 PAverified
7
40.78
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
0
0
Tony Welzer
Career
Per 600 PA
0
0
Brian O'Connor
Career
Per 600 PA
Tony Welzer
Career
Per 600 PA