Juan Mejia vs. Sean O'Sullivan — Career Comparison

Juan Mejia
Gen ZD.R.Throws RightBats RightCaribbeanColorado RockiesNational LeagueRelief Pitcher
Sean O'Sullivan
MillenialCaliforniaThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueStarting Pitcher

Sean O'Sullivan built a career as a starting pitcher and Juan Mejia as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Juan Mejia posted stronger surface numbers — ERA 3.96 and WHIP 1.272 compared to 6.01 and 1.616 for Sean O'Sullivan. By the career numbers, Juan Mejia had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Juan Mejia and Sean O'Sullivan

Juan Mejia
Career
Per 9 Innings
1
1
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
7
7
Juan Mejia
Career
Per 9 Inningsverified
55
8.07
Sean O'Sullivan
Careerverified
Per 9 Innings
71
1.97
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
56
1.56
Juan Mejia
Career
Per 9 Innings
2
0.29
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
13
0.36
Juan Mejia
Careerverified
Per 9 Inningsverified
2
0.29
Sean O'Sullivan
Career
Per 9 Innings
23
0.64
Juan Mejia
Careerverified
Per 9 Inningsverified
50
50
Sean O'Sullivan
Career
Per 9 Innings
36.11
36.11
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
78.87
78.87
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Juan Mejia
Careerverified
Per 9 Inningsverified
1
0.15
Sean O'Sullivan
Career
Per 9 Innings
0
0
Juan Mejia
Careerverified
Per 9 Inningsverified
27
3.96
Sean O'Sullivan
Career
Per 9 Innings
216
6.01
Juan Mejia
Careerverified
Per 9 Inningsverified
3.96
3.96
Sean O'Sullivan
Career
Per 9 Innings
6.01
6.01
Juan Mejia
Careerverified
Per 9 Inningsverified
3.62
3.62
Sean O'Sullivan
Career
Per 9 Innings
5.98
5.98
Juan Mejia
Careerverified
Per 9 Inningsverified
3.57
3.57
Sean O'Sullivan
Career
Per 9 Innings
5.58
5.58
Juan Mejia
Careerverified
Per 9 Inningsverified
0.23
0.23
Sean O'Sullivan
Career
Per 9 Innings
0.305
0.305
Juan Mejia
Career
Per 9 Innings
184
27
Sean O'Sullivan
Careerverified
Per 9 Innings
971
27
Juan Mejia
Career
Per 9 Innings
61.1
9
Sean O'Sullivan
Careerverified
Per 9 Innings
323.2
9
Juan Mejia
Careerverified
Per 9 Inningsverified
52
7.63
Sean O'Sullivan
Career
Per 9 Innings
398
11.07
Juan Mejia
Careerverified
Per 9 Inningsverified
7.63
7.63
Sean O'Sullivan
Career
Per 9 Innings
11.07
11.07
Juan Mejia
Careerverified
Per 9 Inningsverified
6
0.88
Sean O'Sullivan
Career
Per 9 Innings
59
1.64
Juan Mejia
Careerverified
Per 9 Inningsverified
0.88
0.88
Sean O'Sullivan
Career
Per 9 Innings
1.64
1.64
Juan Mejia
Careerverified
Per 9 Inningsverified
0.11
0.11
Sean O'Sullivan
Career
Per 9 Innings
0.83
0.83
Juan Mejia
Careerverified
Per 9 Innings
25
3.67
Sean O'Sullivan
Career
Per 9 Inningsverified
115
3.2
Juan Mejia
Careerverified
Per 9 Inningsverified
1
0.15
Sean O'Sullivan
Career
Per 9 Innings
10
0.28
Juan Mejia
Career
Per 9 Innings
3.67
3.67
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
3.2
3.2
Juan Mejia
Career
Per 9 Inningsverified
68
9.98
Sean O'Sullivan
Careerverified
Per 9 Innings
158
4.39
Juan Mejia
Careerverified
Per 9 Inningsverified
9.98
9.98
Sean O'Sullivan
Career
Per 9 Innings
4.39
4.39
Juan Mejia
Career
Per 9 Innings
1.24
1.24
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
2.23
2.23
Juan Mejia
Careerverified
Per 9 Inningsverified
1.516
1.516
Sean O'Sullivan
Career
Per 9 Innings
0.844
0.844
Juan Mejia
Careerverified
Per 9 Inningsverified
2
0.29
Sean O'Sullivan
Career
Per 9 Innings
13
0.36
Juan Mejia
Careerverified
Per 9 Innings
6
0.88
Sean O'Sullivan
Career
Per 9 Inningsverified
13
0.36
Juan Mejia
Careerverified
Per 9 Inningsverified
0
0
Sean O'Sullivan
Career
Per 9 Innings
2
0.06
Juan Mejia
Career
Per 9 Innings
261
38.3
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
1464
40.71
Juan Mejia
Careerverified
Per 9 Inningsverified
16
2.35
Sean O'Sullivan
Career
Per 9 Innings
9
0.25
Juan Mejia
Careerverified
Per 9 Inningsverified
34
4.99
Sean O'Sullivan
Career
Per 9 Innings
226
6.28
Juan Mejia
Careerverified
Per 9 Inningsverified
4.99
4.99
Sean O'Sullivan
Career
Per 9 Innings
6.28
6.28
Juan Mejia
Careerverified
Per 9 Inningsverified
1
0.15
Sean O'Sullivan
Career
Per 9 Innings
11
0.31
Juan Mejia
Careerverified
Per 9 Inningsverified
3
0.44
Sean O'Sullivan
Career
Per 9 Innings
19
0.53
Juan Mejia
Career
Per 9 Innings
5
0.73
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
32
0.89
Juan Mejia
Careerverified
Per 9 Inningsverified
1.255
1.255
Sean O'Sullivan
Career
Per 9 Innings
1.585
1.585
Juan Mejia
Career
Per 9 Innings
226
33.16
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
1306
36.32
Juan Mejia
Careerverified
Per 9 Inningsverified
0.62
0.62
Sean O'Sullivan
Career
Per 9 Innings
3.18
3.18
Juan Mejia
Careerverified
Per 9 Inningsverified
0.303
0.303
Sean O'Sullivan
Career
Per 9 Innings
0.311
0.311
Juan Mejia
Career
Per 9 Innings
38.3
38.3
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
40.71
40.71

Fielding Stats for Juan Mejia and Sean O'Sullivan

Juan Mejia
Career
Per 9 Innings
1
1
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
7
7
Juan Mejia
Career
Per 9 Inningsverified
55
8.07
Sean O'Sullivan
Careerverified
Per 9 Innings
71
1.97
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
56
1.56
Juan Mejia
Career
Per 9 Innings
184
27
Sean O'Sullivan
Careerverified
Per 9 Innings
971
27
Juan Mejia
Career
Per 9 Innings
61.1
9
Sean O'Sullivan
Careerverified
Per 9 Innings
323.2
9
Juan Mejia
Career
Per 9 Inningsverified
7
1.03
Sean O'Sullivan
Careerverified
Per 9 Innings
22
0.61
Juan Mejia
Career
Per 9 Innings
5
0.73
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
31
0.86
Juan Mejia
Career
Per 9 Innings
3
0.44
Sean O'Sullivan
Career
Per 9 Inningsverified
3
0.08
Juan Mejia
Career
Per 9 Inningsverified
15
2.2
Sean O'Sullivan
Careerverified
Per 9 Innings
56
1.56
Juan Mejia
Career
Per 9 Inningsverified
12
1.76
Sean O'Sullivan
Careerverified
Per 9 Innings
53
1.47
Juan Mejia
Career
Per 9 Innings
80
80
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
94.64
94.64
Juan Mejia
Career
Per 9 Innings
0.218
0.218
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
0.747
0.747
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
78.87
78.87
Juan Mejia
Career
Per 9 Inningsverified
1
0.15
Sean O'Sullivan
Careerverified
Per 9 Innings
2
0.06
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Juan Mejia
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0

Hitting Stats for Juan Mejia and Sean O'Sullivan

Juan Mejia
Career
Per 600 PA
1
Sean O'Sullivan
Careerverified
Per 600 PAverified
7
7
Juan Mejia
Career
Per 600 PA
55
Sean O'Sullivan
Careerverified
Per 600 PAverified
71
1183.33
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
36
600
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
33
550
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.121
0.121
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.375
0.375
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
4
66.67
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.5
0.5
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.94
15.66
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
6
100
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
5
83.33
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.147
0.147
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.182
0.182
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.329
0.329
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.061
0.061
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.112
0.112
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.241
0.241
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.25
0.25
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
3
50
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
3
50
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
-0.11
-1.78
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
1
16.67
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Careerverified
Per 600 PAverified
0
Sean O'Sullivan
Career
Per 600 PA
17
283.33
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
2.12
2.12
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.06
0.06
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Juan Mejia
Career
Per 600 PA
Sean O'Sullivan
Career
Per 600 PA