Sean O'Sullivan vs. Jeff Tam — Career Comparison

Sean O'Sullivan
MillenialCaliforniaThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueStarting Pitcher
Jeff Tam
Gen XCaliforniaThrows RightBats RightNorth AmericaOakland AthleticsAmerican LeagueRelief Pitcher

Sean O'Sullivan built a career as a starting pitcher and Jeff Tam as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jeff Tam posted stronger surface numbers — ERA 3.91 and WHIP 1.541 compared to 6.01 and 1.616 for Sean O'Sullivan. By the career numbers, Jeff Tam had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Sean O'Sullivan and Jeff Tam

Sean O'Sullivan
Careerverified
Per 9 Inningsverified
7
7
Jeff Tam
Career
Per 9 Innings
6
6
Sean O'Sullivan
Career
Per 9 Innings
71
1.97
Jeff Tam
Careerverified
Per 9 Inningsverified
251
8.33
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
56
1.56
Jeff Tam
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
13
0.36
Jeff Tam
Career
Per 9 Innings
7
0.23
Sean O'Sullivan
Career
Per 9 Innings
23
0.64
Jeff Tam
Careerverified
Per 9 Inningsverified
14
0.46
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
36.11
36.11
Jeff Tam
Career
Per 9 Innings
33.33
33.33
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
78.87
78.87
Jeff Tam
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jeff Tam
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jeff Tam
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jeff Tam
Careerverified
Per 9 Inningsverified
7
0.23
Sean O'Sullivan
Career
Per 9 Innings
216
6.01
Jeff Tam
Careerverified
Per 9 Inningsverified
118
3.91
Sean O'Sullivan
Career
Per 9 Innings
6.01
6.01
Jeff Tam
Careerverified
Per 9 Inningsverified
3.91
3.91
Sean O'Sullivan
Career
Per 9 Innings
5.98
5.98
Jeff Tam
Careerverified
Per 9 Inningsverified
4.04
4.04
Sean O'Sullivan
Career
Per 9 Innings
5.58
5.58
Jeff Tam
Careerverified
Per 9 Inningsverified
3.97
3.97
Sean O'Sullivan
Career
Per 9 Innings
0.305
0.305
Jeff Tam
Careerverified
Per 9 Inningsverified
0.277
0.277
Sean O'Sullivan
Careerverified
Per 9 Innings
971
27
Jeff Tam
Career
Per 9 Innings
814
27
Sean O'Sullivan
Careerverified
Per 9 Innings
323.2
9
Jeff Tam
Career
Per 9 Innings
271.1
9
Sean O'Sullivan
Career
Per 9 Innings
398
11.07
Jeff Tam
Careerverified
Per 9 Inningsverified
289
9.59
Sean O'Sullivan
Career
Per 9 Innings
11.07
11.07
Jeff Tam
Careerverified
Per 9 Inningsverified
9.59
9.59
Sean O'Sullivan
Career
Per 9 Innings
59
1.64
Jeff Tam
Careerverified
Per 9 Inningsverified
18
0.6
Sean O'Sullivan
Career
Per 9 Innings
1.64
1.64
Jeff Tam
Careerverified
Per 9 Inningsverified
0.6
0.6
Sean O'Sullivan
Career
Per 9 Innings
0.83
0.83
Jeff Tam
Careerverified
Per 9 Inningsverified
0.07
0.07
Sean O'Sullivan
Career
Per 9 Inningsverified
115
3.2
Jeff Tam
Careerverified
Per 9 Innings
98
3.25
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
10
0.28
Jeff Tam
Career
Per 9 Innings
31
1.03
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
3.2
3.2
Jeff Tam
Career
Per 9 Innings
3.25
3.25
Sean O'Sullivan
Careerverified
Per 9 Innings
158
4.39
Jeff Tam
Career
Per 9 Inningsverified
146
4.84
Sean O'Sullivan
Career
Per 9 Innings
4.39
4.39
Jeff Tam
Careerverified
Per 9 Inningsverified
4.84
4.84
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
2.23
2.23
Jeff Tam
Career
Per 9 Innings
0.58
0.58
Sean O'Sullivan
Career
Per 9 Innings
0.844
0.844
Jeff Tam
Careerverified
Per 9 Inningsverified
0.899
0.899
Sean O'Sullivan
Career
Per 9 Innings
13
0.36
Jeff Tam
Careerverified
Per 9 Inningsverified
8
0.27
Sean O'Sullivan
Career
Per 9 Innings
13
0.36
Jeff Tam
Careerverified
Per 9 Inningsverified
9
0.3
Sean O'Sullivan
Career
Per 9 Innings
2
0.06
Jeff Tam
Careerverified
Per 9 Inningsverified
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
1464
40.71
Jeff Tam
Career
Per 9 Innings
1170
38.81
Sean O'Sullivan
Career
Per 9 Innings
9
0.25
Jeff Tam
Careerverified
Per 9 Inningsverified
69
2.29
Sean O'Sullivan
Career
Per 9 Innings
226
6.28
Jeff Tam
Careerverified
Per 9 Inningsverified
130
4.31
Sean O'Sullivan
Career
Per 9 Innings
6.28
6.28
Jeff Tam
Careerverified
Per 9 Inningsverified
4.31
4.31
Sean O'Sullivan
Career
Per 9 Inningsverified
11
0.31
Jeff Tam
Career
Per 9 Innings
11
0.36
Sean O'Sullivan
Career
Per 9 Innings
19
0.53
Jeff Tam
Careerverified
Per 9 Inningsverified
10
0.33
Sean O'Sullivan
Career
Per 9 Innings
32
0.89
Jeff Tam
Careerverified
Per 9 Inningsverified
44
1.46
Sean O'Sullivan
Career
Per 9 Innings
1.585
1.585
Jeff Tam
Careerverified
Per 9 Inningsverified
1.426
1.426
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
1306
36.32
Jeff Tam
Career
Per 9 Innings
1042
34.56
Sean O'Sullivan
Career
Per 9 Innings
3.18
3.18
Jeff Tam
Careerverified
Per 9 Inningsverified
0.52
0.52
Sean O'Sullivan
Career
Per 9 Innings
0.311
0.311
Jeff Tam
Careerverified
Per 9 Inningsverified
0.309
0.309
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
40.71
40.71
Jeff Tam
Career
Per 9 Innings
38.81
38.81

Fielding Stats for Sean O'Sullivan and Jeff Tam

Sean O'Sullivan
Careerverified
Per 9 Inningsverified
7
7
Jeff Tam
Career
Per 9 Innings
6
6
Sean O'Sullivan
Career
Per 9 Innings
71
1.97
Jeff Tam
Careerverified
Per 9 Inningsverified
251
8.33
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
56
1.56
Jeff Tam
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Innings
971
27
Jeff Tam
Career
Per 9 Innings
814
27
Sean O'Sullivan
Careerverified
Per 9 Innings
323.2
9
Jeff Tam
Career
Per 9 Innings
271.1
9
Sean O'Sullivan
Career
Per 9 Innings
22
0.61
Jeff Tam
Careerverified
Per 9 Inningsverified
24
0.8
Sean O'Sullivan
Career
Per 9 Innings
31
0.86
Jeff Tam
Careerverified
Per 9 Inningsverified
46
1.53
Sean O'Sullivan
Career
Per 9 Innings
3
0.08
Jeff Tam
Careerverified
Per 9 Inningsverified
2
0.07
Sean O'Sullivan
Career
Per 9 Innings
56
1.56
Jeff Tam
Careerverified
Per 9 Inningsverified
72
2.39
Sean O'Sullivan
Career
Per 9 Innings
53
1.47
Jeff Tam
Careerverified
Per 9 Inningsverified
70
2.32
Sean O'Sullivan
Career
Per 9 Innings
94.64
94.64
Jeff Tam
Careerverified
Per 9 Inningsverified
97.22
97.22
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
0.747
0.747
Jeff Tam
Career
Per 9 Innings
0.279
0.279
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
78.87
78.87
Jeff Tam
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
2
0.06
Jeff Tam
Careerverified
Per 9 Inningsverified
8
0.27
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jeff Tam
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jeff Tam
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jeff Tam
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Jeff Tam
Career
Per 9 Innings
0
0

Hitting Stats for Sean O'Sullivan and Jeff Tam

Sean O'Sullivan
Careerverified
Per 600 PAverified
7
7
Jeff Tam
Career
Per 600 PA
6
6
Sean O'Sullivan
Career
Per 600 PA
71
1183.33
Jeff Tam
Careerverified
Per 600 PAverified
251
75300
Sean O'Sullivan
Careerverified
Per 600 PA
36
600
Jeff Tam
Career
Per 600 PA
2
600
Sean O'Sullivan
Careerverified
Per 600 PA
33
550
Jeff Tam
Career
Per 600 PAverified
2
600
Sean O'Sullivan
Career
Per 600 PA
0.121
0.121
Jeff Tam
Careerverified
Per 600 PAverified
0.5
0.5
Sean O'Sullivan
Career
Per 600 PA
0.375
0.375
Jeff Tam
Careerverified
Per 600 PAverified
1.5
1.5
Sean O'Sullivan
Careerverified
Per 600 PA
4
66.67
Jeff Tam
Career
Per 600 PAverified
1
300
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PA
2
33.33
Jeff Tam
Career
Per 600 PAverified
1
300
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PA
2
33.33
Jeff Tam
Career
Per 600 PAverified
1
300
Sean O'Sullivan
Career
Per 600 PA
0.5
0.5
Jeff Tam
Careerverified
Per 600 PAverified
1
1
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PA
0.94
15.66
Jeff Tam
Career
Per 600 PAverified
0.71
212.28
Sean O'Sullivan
Careerverified
Per 600 PA
6
100
Jeff Tam
Career
Per 600 PAverified
2
600
Sean O'Sullivan
Careerverified
Per 600 PA
5
83.33
Jeff Tam
Career
Per 600 PAverified
1
300
Sean O'Sullivan
Career
Per 600 PA
0.147
0.147
Jeff Tam
Careerverified
Per 600 PAverified
0.5
0.5
Sean O'Sullivan
Career
Per 600 PA
0.182
0.182
Jeff Tam
Careerverified
Per 600 PAverified
1
1
Sean O'Sullivan
Career
Per 600 PA
0.329
0.329
Jeff Tam
Careerverified
Per 600 PAverified
1.5
1.5
Sean O'Sullivan
Career
Per 600 PA
0.061
0.061
Jeff Tam
Careerverified
Per 600 PAverified
0.5
0.5
Sean O'Sullivan
Career
Per 600 PA
0.112
0.112
Jeff Tam
Careerverified
Per 600 PAverified
0.475
0.475
Sean O'Sullivan
Career
Per 600 PA
0.241
0.241
Jeff Tam
Careerverified
Per 600 PAverified
2
2
Sean O'Sullivan
Career
Per 600 PA
0.25
0.25
Jeff Tam
Careerverified
Per 600 PAverified
0.5
0.5
Sean O'Sullivan
Careerverified
Per 600 PAverified
3
50
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Careerverified
Per 600 PAverified
1
300
Sean O'Sullivan
Careerverified
Per 600 PA
3
50
Jeff Tam
Career
Per 600 PAverified
1
300
Sean O'Sullivan
Career
Per 600 PA
-0.11
-1.78
Jeff Tam
Careerverified
Per 600 PAverified
0.68
203.37
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
1
16.67
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
17
283.33
Jeff Tam
Careerverified
Per 600 PAverified
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2.12
2.12
Jeff Tam
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.06
0.06
Jeff Tam
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Jeff Tam
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
Jeff Tam
Career
Per 600 PA