Sean O'Sullivan vs. Jon Warden — Career Comparison

Sean O'Sullivan
MillenialCaliforniaThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueStarting Pitcher
Jon Warden
Baby BoomersOhioThrows LeftBats SwitchNorth AmericaDetroit TigersAmerican LeagueRelief Pitcher

Sean O'Sullivan built a career as a starting pitcher and Jon Warden as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jon Warden posted stronger surface numbers — ERA 3.62 and WHIP 1.259 compared to 6.01 and 1.616 for Sean O'Sullivan. By the career numbers, Jon Warden had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Sean O'Sullivan and Jon Warden

Sean O'Sullivan
Careerverified
Per 9 Inningsverified
7
7
Jon Warden
Career
Per 9 Innings
1
1
Sean O'Sullivan
Careerverified
Per 9 Innings
71
1.97
Jon Warden
Career
Per 9 Inningsverified
28
6.75
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
56
1.56
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Innings
13
0.36
Jon Warden
Career
Per 9 Inningsverified
4
0.96
Sean O'Sullivan
Career
Per 9 Innings
23
0.64
Jon Warden
Careerverified
Per 9 Inningsverified
1
0.24
Sean O'Sullivan
Career
Per 9 Innings
36.11
36.11
Jon Warden
Careerverified
Per 9 Inningsverified
80
80
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
78.87
78.87
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jon Warden
Careerverified
Per 9 Inningsverified
3
0.72
Sean O'Sullivan
Career
Per 9 Innings
216
6.01
Jon Warden
Careerverified
Per 9 Inningsverified
15
3.62
Sean O'Sullivan
Career
Per 9 Innings
6.01
6.01
Jon Warden
Careerverified
Per 9 Inningsverified
3.62
3.62
Sean O'Sullivan
Career
Per 9 Innings
5.98
5.98
Jon Warden
Careerverified
Per 9 Inningsverified
3.15
3.15
Sean O'Sullivan
Career
Per 9 Innings
5.58
5.58
Jon Warden
Careerverified
Per 9 Inningsverified
4.61
4.61
Sean O'Sullivan
Career
Per 9 Innings
0.305
0.305
Jon Warden
Careerverified
Per 9 Inningsverified
0.214
0.214
Sean O'Sullivan
Careerverified
Per 9 Innings
971
27
Jon Warden
Career
Per 9 Innings
112
27
Sean O'Sullivan
Careerverified
Per 9 Innings
323.2
9
Jon Warden
Career
Per 9 Innings
37.1
9
Sean O'Sullivan
Career
Per 9 Innings
398
11.07
Jon Warden
Careerverified
Per 9 Inningsverified
30
7.23
Sean O'Sullivan
Career
Per 9 Innings
11.07
11.07
Jon Warden
Careerverified
Per 9 Inningsverified
7.23
7.23
Sean O'Sullivan
Career
Per 9 Innings
59
1.64
Jon Warden
Careerverified
Per 9 Inningsverified
5
1.21
Sean O'Sullivan
Career
Per 9 Innings
1.64
1.64
Jon Warden
Careerverified
Per 9 Inningsverified
1.21
1.21
Sean O'Sullivan
Career
Per 9 Innings
0.83
0.83
Jon Warden
Careerverified
Per 9 Inningsverified
0.18
0.18
Sean O'Sullivan
Career
Per 9 Inningsverified
115
3.2
Jon Warden
Careerverified
Per 9 Innings
15
3.62
Sean O'Sullivan
Career
Per 9 Inningsverified
10
0.28
Jon Warden
Careerverified
Per 9 Innings
2
0.48
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
3.2
3.2
Jon Warden
Career
Per 9 Innings
3.62
3.62
Sean O'Sullivan
Careerverified
Per 9 Innings
158
4.39
Jon Warden
Career
Per 9 Inningsverified
25
6.03
Sean O'Sullivan
Career
Per 9 Innings
4.39
4.39
Jon Warden
Careerverified
Per 9 Inningsverified
6.03
6.03
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
2.23
2.23
Jon Warden
Career
Per 9 Innings
0.89
0.89
Sean O'Sullivan
Career
Per 9 Innings
0.844
0.844
Jon Warden
Careerverified
Per 9 Inningsverified
1.071
1.071
Sean O'Sullivan
Career
Per 9 Innings
13
0.36
Jon Warden
Careerverified
Per 9 Inningsverified
0
0
Sean O'Sullivan
Career
Per 9 Innings
13
0.36
Jon Warden
Careerverified
Per 9 Inningsverified
0
0
Sean O'Sullivan
Career
Per 9 Innings
2
0.06
Jon Warden
Careerverified
Per 9 Inningsverified
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
1464
40.71
Jon Warden
Career
Per 9 Innings
155
37.37
Sean O'Sullivan
Career
Per 9 Innings
9
0.25
Jon Warden
Careerverified
Per 9 Inningsverified
11
2.65
Sean O'Sullivan
Career
Per 9 Innings
226
6.28
Jon Warden
Careerverified
Per 9 Inningsverified
15
3.62
Sean O'Sullivan
Career
Per 9 Innings
6.28
6.28
Jon Warden
Careerverified
Per 9 Inningsverified
3.62
3.62
Sean O'Sullivan
Career
Per 9 Innings
11
0.31
Jon Warden
Careerverified
Per 9 Inningsverified
0
0
Sean O'Sullivan
Career
Per 9 Innings
19
0.53
Jon Warden
Careerverified
Per 9 Inningsverified
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
32
0.89
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
1.585
1.585
Jon Warden
Careerverified
Per 9 Inningsverified
1.205
1.205
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
1306
36.32
Jon Warden
Career
Per 9 Innings
140
33.75
Sean O'Sullivan
Career
Per 9 Innings
3.18
3.18
Jon Warden
Careerverified
Per 9 Inningsverified
0.54
0.54
Sean O'Sullivan
Career
Per 9 Innings
0.311
0.311
Jon Warden
Careerverified
Per 9 Inningsverified
0.227
0.227
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
40.71
40.71
Jon Warden
Career
Per 9 Innings
37.37
37.37

Fielding Stats for Sean O'Sullivan and Jon Warden

Sean O'Sullivan
Careerverified
Per 9 Inningsverified
7
7
Jon Warden
Career
Per 9 Innings
1
1
Sean O'Sullivan
Careerverified
Per 9 Innings
71
1.97
Jon Warden
Career
Per 9 Inningsverified
28
6.75
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
56
1.56
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Innings
971
27
Jon Warden
Career
Per 9 Innings
112
27
Sean O'Sullivan
Careerverified
Per 9 Innings
323.2
9
Jon Warden
Career
Per 9 Innings
37.1
9
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
22
0.61
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
31
0.86
Jon Warden
Career
Per 9 Innings
2
0.48
Sean O'Sullivan
Career
Per 9 Inningsverified
3
0.08
Jon Warden
Careerverified
Per 9 Innings
1
0.24
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
56
1.56
Jon Warden
Career
Per 9 Innings
3
0.72
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
53
1.47
Jon Warden
Career
Per 9 Innings
2
0.48
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
94.64
94.64
Jon Warden
Career
Per 9 Innings
66.67
66.67
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
0.747
0.747
Jon Warden
Career
Per 9 Innings
0.071
0.071
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
78.87
78.87
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
2
0.06
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jon Warden
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jon Warden
Career
Per 9 Innings
0
0

Hitting Stats for Sean O'Sullivan and Jon Warden

Sean O'Sullivan
Careerverified
Per 600 PAverified
7
7
Jon Warden
Career
Per 600 PA
1
1
Sean O'Sullivan
Careerverified
Per 600 PA
71
1183.33
Jon Warden
Career
Per 600 PAverified
28
8400
Sean O'Sullivan
Careerverified
Per 600 PA
36
600
Jon Warden
Career
Per 600 PA
2
600
Sean O'Sullivan
Careerverified
Per 600 PA
33
550
Jon Warden
Career
Per 600 PAverified
2
600
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.121
0.121
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.375
0.375
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
4
66.67
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.5
0.5
Jon Warden
Career
Per 600 PA
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.94
15.66
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
6
100
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
5
83.33
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.147
0.147
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.182
0.182
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.329
0.329
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.061
0.061
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.112
0.112
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.241
0.241
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.25
0.25
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
3
50
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
3
50
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
-0.11
-1.78
Jon Warden
Career
Per 600 PA
-0.21
-63.2
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
1
16.67
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PAverified
17
283.33
Jon Warden
Careerverified
Per 600 PA
1
300
Sean O'Sullivan
Careerverified
Per 600 PAverified
2.12
2.12
Jon Warden
Career
Per 600 PA
2
2
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.06
0.06
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jon Warden
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
Jon Warden
Career
Per 600 PA