Darrel Akerfelds vs. Sean O'Sullivan — Career Comparison

Darrel Akerfelds
Baby BoomersColoradoThrows RightBats RightNorth AmericaPhiladelphia PhilliesNational LeagueRelief Pitcher
Sean O'Sullivan
MillenialCaliforniaThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueStarting Pitcher

Sean O'Sullivan built a career as a starting pitcher and Darrel Akerfelds as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Darrel Akerfelds posted stronger surface numbers — ERA 5.08 and WHIP 1.536 compared to 6.01 and 1.616 for Sean O'Sullivan. By the career numbers, Darrel Akerfelds had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Darrel Akerfelds and Sean O'Sullivan

Darrel Akerfelds
Career
Per 9 Innings
5
5
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
7
7
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
125
4.81
Sean O'Sullivan
Career
Per 9 Innings
71
1.97
Darrel Akerfelds
Career
Per 9 Innings
13
0.5
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
56
1.56
Darrel Akerfelds
Career
Per 9 Innings
9
0.35
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
13
0.36
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
10
0.39
Sean O'Sullivan
Career
Per 9 Innings
23
0.64
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
47.37
47.37
Sean O'Sullivan
Career
Per 9 Innings
36.11
36.11
Darrel Akerfelds
Career
Per 9 Innings
10.4
10.4
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
78.87
78.87
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
1
0.04
Sean O'Sullivan
Career
Per 9 Innings
0
0
Darrel Akerfelds
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
3
0.12
Sean O'Sullivan
Career
Per 9 Innings
0
0
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
132
5.08
Sean O'Sullivan
Career
Per 9 Innings
216
6.01
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
5.08
5.08
Sean O'Sullivan
Career
Per 9 Innings
6.01
6.01
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
4.66
4.66
Sean O'Sullivan
Career
Per 9 Innings
5.98
5.98
Darrel Akerfelds
Career
Per 9 Innings
5.7
5.7
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
5.58
5.58
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
0.246
0.246
Sean O'Sullivan
Career
Per 9 Innings
0.305
0.305
Darrel Akerfelds
Career
Per 9 Innings
701
27
Sean O'Sullivan
Careerverified
Per 9 Innings
971
27
Darrel Akerfelds
Career
Per 9 Innings
233.2
9
Sean O'Sullivan
Careerverified
Per 9 Innings
323.2
9
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
216
8.32
Sean O'Sullivan
Career
Per 9 Innings
398
11.07
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
8.32
8.32
Sean O'Sullivan
Career
Per 9 Innings
11.07
11.07
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
36
1.39
Sean O'Sullivan
Career
Per 9 Innings
59
1.64
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
1.39
1.39
Sean O'Sullivan
Career
Per 9 Innings
1.64
1.64
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
0.29
0.29
Sean O'Sullivan
Career
Per 9 Innings
0.83
0.83
Darrel Akerfelds
Career
Per 9 Innings
127
4.89
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
115
3.2
Darrel Akerfelds
Career
Per 9 Innings
16
0.62
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
10
0.28
Darrel Akerfelds
Career
Per 9 Innings
4.89
4.89
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
3.2
3.2
Darrel Akerfelds
Career
Per 9 Inningsverified
129
4.97
Sean O'Sullivan
Careerverified
Per 9 Innings
158
4.39
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
4.97
4.97
Sean O'Sullivan
Career
Per 9 Innings
4.39
4.39
Darrel Akerfelds
Career
Per 9 Innings
1.03
1.03
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
2.23
2.23
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
1.096
1.096
Sean O'Sullivan
Career
Per 9 Innings
0.844
0.844
Darrel Akerfelds
Career
Per 9 Innings
21
0.81
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
13
0.36
Darrel Akerfelds
Career
Per 9 Innings
13
0.5
Sean O'Sullivan
Career
Per 9 Inningsverified
13
0.36
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
1
0.04
Sean O'Sullivan
Career
Per 9 Innings
2
0.06
Darrel Akerfelds
Career
Per 9 Innings
1047
40.33
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
1464
40.71
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
33
1.27
Sean O'Sullivan
Career
Per 9 Innings
9
0.25
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
146
5.62
Sean O'Sullivan
Career
Per 9 Innings
226
6.28
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
5.62
5.62
Sean O'Sullivan
Career
Per 9 Innings
6.28
6.28
Darrel Akerfelds
Career
Per 9 Innings
17
0.65
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
11
0.31
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
12
0.46
Sean O'Sullivan
Career
Per 9 Innings
19
0.53
Darrel Akerfelds
Career
Per 9 Innings
15
0.58
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
32
0.89
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
1.468
1.468
Sean O'Sullivan
Career
Per 9 Innings
1.585
1.585
Darrel Akerfelds
Career
Per 9 Innings
878
33.82
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
1306
36.32
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
1.17
1.17
Sean O'Sullivan
Career
Per 9 Innings
3.18
3.18
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
0.253
0.253
Sean O'Sullivan
Career
Per 9 Innings
0.311
0.311
Darrel Akerfelds
Career
Per 9 Innings
40.33
40.33
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
40.71
40.71

Fielding Stats for Darrel Akerfelds and Sean O'Sullivan

Darrel Akerfelds
Career
Per 9 Innings
5
5
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
7
7
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
125
4.81
Sean O'Sullivan
Career
Per 9 Innings
71
1.97
Darrel Akerfelds
Career
Per 9 Innings
13
0.5
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
56
1.56
Darrel Akerfelds
Career
Per 9 Innings
701
27
Sean O'Sullivan
Careerverified
Per 9 Innings
971
27
Darrel Akerfelds
Career
Per 9 Innings
233.2
9
Sean O'Sullivan
Careerverified
Per 9 Innings
323.2
9
Darrel Akerfelds
Career
Per 9 Innings
5
0.19
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
22
0.61
Darrel Akerfelds
Careerverified
Per 9 Inningsverified
40
1.54
Sean O'Sullivan
Career
Per 9 Innings
31
0.86
Darrel Akerfelds
Career
Per 9 Innings
3
0.12
Sean O'Sullivan
Career
Per 9 Inningsverified
3
0.08
Darrel Akerfelds
Career
Per 9 Inningsverified
48
1.85
Sean O'Sullivan
Careerverified
Per 9 Innings
56
1.56
Darrel Akerfelds
Career
Per 9 Inningsverified
45
1.73
Sean O'Sullivan
Careerverified
Per 9 Innings
53
1.47
Darrel Akerfelds
Career
Per 9 Innings
93.75
93.75
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
94.64
94.64
Darrel Akerfelds
Career
Per 9 Innings
0.36
0.36
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
0.747
0.747
Darrel Akerfelds
Career
Per 9 Innings
10.4
10.4
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
78.87
78.87
Darrel Akerfelds
Career
Per 9 Innings
1
0.04
Sean O'Sullivan
Careerverified
Per 9 Inningsverified
2
0.06
Darrel Akerfelds
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Darrel Akerfelds
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Darrel Akerfelds
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0
Darrel Akerfelds
Career
Per 9 Innings
0
0
Sean O'Sullivan
Career
Per 9 Innings
0
0

Hitting Stats for Darrel Akerfelds and Sean O'Sullivan

Darrel Akerfelds
Career
Per 600 PA
5
5
Sean O'Sullivan
Careerverified
Per 600 PAverified
7
7
Darrel Akerfelds
Careerverified
Per 600 PAverified
125
8333.33
Sean O'Sullivan
Career
Per 600 PA
71
1183.33
Darrel Akerfelds
Career
Per 600 PA
9
600
Sean O'Sullivan
Careerverified
Per 600 PA
36
600
Darrel Akerfelds
Career
Per 600 PAverified
9
600
Sean O'Sullivan
Careerverified
Per 600 PA
33
550
Darrel Akerfelds
Career
Per 600 PA
0.111
0.111
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.121
0.121
Darrel Akerfelds
Career
Per 600 PA
0.222
0.222
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.375
0.375
Darrel Akerfelds
Career
Per 600 PA
1
66.67
Sean O'Sullivan
Careerverified
Per 600 PA
4
66.67
Darrel Akerfelds
Career
Per 600 PAverified
1
66.67
Sean O'Sullivan
Careerverified
Per 600 PA
2
33.33
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.5
0.5
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0.1
6.61
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.94
15.66
Darrel Akerfelds
Career
Per 600 PA
1
66.67
Sean O'Sullivan
Careerverified
Per 600 PAverified
6
100
Darrel Akerfelds
Career
Per 600 PA
1
66.67
Sean O'Sullivan
Careerverified
Per 600 PAverified
5
83.33
Darrel Akerfelds
Career
Per 600 PA
0.111
0.111
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.147
0.147
Darrel Akerfelds
Career
Per 600 PA
0.111
0.111
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.182
0.182
Darrel Akerfelds
Career
Per 600 PA
0.222
0.222
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.329
0.329
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.061
0.061
Darrel Akerfelds
Career
Per 600 PA
0.078
0.078
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.112
0.112
Darrel Akerfelds
Career
Per 600 PA
0.125
0.125
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.241
0.241
Darrel Akerfelds
Careerverified
Per 600 PAverified
0.333
0.333
Sean O'Sullivan
Career
Per 600 PA
0.25
0.25
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
3
50
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
3
50
Darrel Akerfelds
Career
Per 600 PA
-0.28
-18.99
Sean O'Sullivan
Careerverified
Per 600 PAverified
-0.11
-1.78
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
1
16.67
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Careerverified
Per 600 PA
6
400
Sean O'Sullivan
Career
Per 600 PAverified
17
283.33
Darrel Akerfelds
Career
Per 600 PA
1.5
1.5
Sean O'Sullivan
Careerverified
Per 600 PAverified
2.12
2.12
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
0.06
0.06
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Careerverified
Per 600 PAverified
2
33.33
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
0
0
Sean O'Sullivan
Career
Per 600 PA
0
0
Darrel Akerfelds
Career
Per 600 PA
Sean O'Sullivan
Career
Per 600 PA