Sean O'Sullivan vs. Ed Seward — Career Comparison
Sean O'Sullivan built a career as a starting pitcher and Ed Seward as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Ed Seward posted stronger surface numbers — ERA 3.4 and WHIP 1.225 compared to 6.01 and 1.616 for Sean O'Sullivan. By the career numbers, Ed Seward had the better of this cross-role comparison — though era context would sharpen the verdict.
Pitching Stats for Sean O'Sullivan and Ed Seward
Sean O'Sullivan
Career
Per 9 Innings
71
1.97
Ed Seward
Career
Per 9 Innings
176
1.07
Sean O'Sullivan
Career
Per 9 Innings
56
1.56
Ed Seward
Career
Per 9 Innings
169
1.02
Sean O'Sullivan
Career
Per 9 Innings
36.11
36.11
Ed Seward
Career
Per 9 Innings
55.28
55.28
Sean O'Sullivan
Career
Per 9 Innings
78.87
78.87
Ed Seward
Career
Per 9 Innings
96.02
96.02
Sean O'Sullivan
Career
Per 9 Innings
216
6.01
Ed Seward
Career
Per 9 Innings
561
3.4
Sean O'Sullivan
Career
Per 9 Innings
5.98
5.98
Ed Seward
Career
Per 9 Innings
2.85
2.85
Sean O'Sullivan
Career
Per 9 Innings
5.58
5.58
Ed Seward
Career
Per 9 Innings
3.45
3.45
Sean O'Sullivan
Career
Per 9 Innings
0.305
0.305
Ed Seward
Career
Per 9 Innings
0.237
0.237
Sean O'Sullivan
Career
Per 9 Innings
971
27
Ed Seward
Career
Per 9 Innings
4457
27
Sean O'Sullivan
Career
Per 9 Innings
323.2
9
Ed Seward
Career
Per 9 Innings
1485.2
9
Sean O'Sullivan
Career
Per 9 Innings
398
11.07
Ed Seward
Career
Per 9 Innings
1369
8.29
Sean O'Sullivan
Career
Per 9 Innings
11.07
11.07
Ed Seward
Career
Per 9 Innings
8.29
8.29
Sean O'Sullivan
Career
Per 9 Innings
59
1.64
Ed Seward
Career
Per 9 Innings
23
0.14
Sean O'Sullivan
Career
Per 9 Innings
1.64
1.64
Ed Seward
Career
Per 9 Innings
0.14
0.14
Sean O'Sullivan
Career
Per 9 Innings
0.83
0.83
Ed Seward
Career
Per 9 Innings
0.13
0.13
Sean O'Sullivan
Career
Per 9 Innings
3.2
3.2
Ed Seward
Career
Per 9 Innings
2.73
2.73
Sean O'Sullivan
Career
Per 9 Innings
158
4.39
Ed Seward
Career
Per 9 Innings
589
3.57
Sean O'Sullivan
Career
Per 9 Innings
4.39
4.39
Ed Seward
Career
Per 9 Innings
3.57
3.57
Sean O'Sullivan
Career
Per 9 Innings
2.23
2.23
Ed Seward
Career
Per 9 Innings
3.35
3.35
Sean O'Sullivan
Career
Per 9 Innings
0.844
0.844
Ed Seward
Career
Per 9 Innings
0.7
0.7
Sean O'Sullivan
Career
Per 9 Innings
13
0.36
Ed Seward
Career
Per 9 Innings
136
0.82
Sean O'Sullivan
Career
Per 9 Innings
13
0.36
Ed Seward
Career
Per 9 Innings
66
0.4
Sean O'Sullivan
Career
Per 9 Innings
1464
40.71
Ed Seward
Career
Per 9 Innings
6286
38.08
Sean O'Sullivan
Career
Per 9 Innings
9
0.25
Ed Seward
Career
Per 9 Innings
6
0.04
Sean O'Sullivan
Career
Per 9 Innings
6.28
6.28
Ed Seward
Career
Per 9 Innings
4.99
4.99
Sean O'Sullivan
Career
Per 9 Innings
32
0.89
Ed Seward
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
1.585
1.585
Ed Seward
Career
Per 9 Innings
1.225
1.225
Sean O'Sullivan
Career
Per 9 Innings
1306
36.32
Ed Seward
Career
Per 9 Innings
5769
34.95
Sean O'Sullivan
Career
Per 9 Innings
3.18
3.18
Ed Seward
Career
Per 9 Innings
4.68
4.68
Sean O'Sullivan
Career
Per 9 Innings
0.311
0.311
Ed Seward
Career
Per 9 Innings
0.261
0.261
Sean O'Sullivan
Career
Per 9 Innings
40.71
40.71
Ed Seward
Career
Per 9 Innings
38.08
38.08
Fielding Stats for Sean O'Sullivan and Ed Seward
Sean O'Sullivan
Career
Per 9 Innings
71
1.97
Ed Seward
Career
Per 9 Innings
223
1.13
Sean O'Sullivan
Career
Per 9 Innings
971
27
Ed Seward
Career
Per 9 Innings
5313
27
Sean O'Sullivan
Career
Per 9 Innings
323.2
9
Ed Seward
Career
Per 9 Innings
1771
9
Sean O'Sullivan
Career
Per 9 Innings
22
0.61
Ed Seward
Career
Per 9 Innings
147
0.75
Sean O'Sullivan
Career
Per 9 Innings
31
0.86
Ed Seward
Career
Per 9 Innings
298
1.51
Sean O'Sullivan
Career
Per 9 Innings
56
1.56
Ed Seward
Career
Per 9 Innings
502
2.55
Sean O'Sullivan
Career
Per 9 Innings
53
1.47
Ed Seward
Career
Per 9 Innings
445
2.26
Sean O'Sullivan
Career
Per 9 Innings
94.64
94.64
Ed Seward
Career
Per 9 Innings
88.65
88.65
Sean O'Sullivan
Career
Per 9 Innings
0.747
0.747
Ed Seward
Career
Per 9 Innings
1.996
1.996
Sean O'Sullivan
Career
Per 9 Innings
2
0.06
Ed Seward
Career
Per 9 Innings
10
0.05
Hitting Stats for Sean O'Sullivan and Ed Seward
Sean O'Sullivan
Career
Per 600 PA
71
1183.33
Ed Seward
Career
Per 600 PA
218
162.48
Sean O'Sullivan
Career
Per 600 PA
36
600
Ed Seward
Career
Per 600 PA
805
600
Sean O'Sullivan
Career
Per 600 PA
0.121
0.121
Ed Seward
Career
Per 600 PA
0.175
0.175
Sean O'Sullivan
Career
Per 600 PA
0.375
0.375
Ed Seward
Career
Per 600 PA
0.572
0.572
Sean O'Sullivan
Career
Per 600 PA
2
33.33
Ed Seward
Career
Per 600 PA
39
29.07
Sean O'Sullivan
Career
Per 600 PA
0.5
0.5
Ed Seward
Career
Per 600 PA
0.307
0.307
Sean O'Sullivan
Career
Per 600 PA
0.94
15.66
Ed Seward
Career
Per 600 PA
61.63
45.94
Sean O'Sullivan
Career
Per 600 PA
5
83.33
Ed Seward
Career
Per 600 PA
204
152.05
Sean O'Sullivan
Career
Per 600 PA
0.147
0.147
Ed Seward
Career
Per 600 PA
0.253
0.253
Sean O'Sullivan
Career
Per 600 PA
0.182
0.182
Ed Seward
Career
Per 600 PA
0.261
0.261
Sean O'Sullivan
Career
Per 600 PA
0.061
0.061
Ed Seward
Career
Per 600 PA
0.087
0.087
Sean O'Sullivan
Career
Per 600 PA
0.112
0.112
Ed Seward
Career
Per 600 PA
0.179
0.179
Sean O'Sullivan
Career
Per 600 PA
0.241
0.241
Ed Seward
Career
Per 600 PA
0.503
0.503
Sean O'Sullivan
Career
Per 600 PA
3
50
Ed Seward
Career
Per 600 PA
142
105.84
Sean O'Sullivan
Career
Per 600 PA
17
283.33
Ed Seward
Career
Per 600 PA
95
70.81
Sean O'Sullivan
Career
Per 600 PA
2.12
2.12
Ed Seward
Career
Per 600 PA
8.47
8.47
Sean O'Sullivan
Career
Per 600 PA
0.06
0.06
Ed Seward
Career
Per 600 PA
0.71
0.71
Sean O'Sullivan
Career
Per 600 PA
0
0
Ed Seward
Career
Per 600 PA
0
0