Sean Doolittle vs. Danny Duffy — Career Comparison

Sean Doolittle
MillenialSouth DakotaThrows LeftBats LeftNorth AmericaOakland AthleticsAmerican LeagueRelief PitcherAll-Star
Danny Duffy
MillenialCaliforniaThrows LeftBats LeftNorth AmericaKansas City RoyalsAmerican LeagueStarting Pitcher

Danny Duffy built a career as a starting pitcher and Sean Doolittle as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Sean Doolittle led in walk avoidance (BB%+ 161 vs 80), skill-based run prevention (DICE+ 126 vs 93), and strikeout rate (K%+ 114 vs 96). Role difference aside, Sean Doolittle holds a clear edge on every meaningful shared measure.

Pitching Stats for Sean Doolittle and Danny Duffy

Sean Doolittle
Career
Per 9 Innings
11
11
Danny Duffy
Career
Per 9 Innings
11
11
Sean Doolittle
Careerverified
Per 9 Inningsverified
463
9.25
Danny Duffy
Career
Per 9 Innings
234
1.8
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Inningsverified
204
1.57
Sean Doolittle
Career
Per 9 Innings
26
0.52
Danny Duffy
Careerverified
Per 9 Innings
68
0.52
Sean Doolittle
Careerverified
Per 9 Inningsverified
24
0.48
Danny Duffy
Career
Per 9 Innings
68
0.52
Sean Doolittle
Careerverified
Per 9 Inningsverified
52
52
Danny Duffy
Career
Per 9 Innings
50
50
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Inningsverified
87.18
87.18
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Inningsverified
1
0.01
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Innings
0
0
Sean Doolittle
Careerverified
Per 9 Inningsverified
112
2.24
Danny Duffy
Career
Per 9 Innings
1
0.01
Sean Doolittle
Careerverified
Per 9 Inningsverified
160
3.2
Danny Duffy
Career
Per 9 Innings
514
3.95
Sean Doolittle
Careerverified
Per 9 Inningsverified
3.2
3.2
Danny Duffy
Career
Per 9 Innings
3.95
3.95
Sean Doolittle
Careerverified
Per 9 Inningsverified
2.36
2.36
Danny Duffy
Career
Per 9 Innings
3.99
3.99
Sean Doolittle
Careerverified
Per 9 Inningsverified
2.81
2.81
Danny Duffy
Career
Per 9 Innings
4.03
4.03
Sean Doolittle
Careerverified
Per 9 Inningsverified
0.213
0.213
Danny Duffy
Career
Per 9 Innings
0.25
0.25
Sean Doolittle
Career
Per 9 Innings
1352
27
Danny Duffy
Careerverified
Per 9 Innings
3517
27
Sean Doolittle
Career
Per 9 Innings
450.2
9
Danny Duffy
Careerverified
Per 9 Innings
1172.1
9
Sean Doolittle
Careerverified
Per 9 Inningsverified
354
7.07
Danny Duffy
Career
Per 9 Innings
1111
8.53
Sean Doolittle
Careerverified
Per 9 Inningsverified
7.07
7.07
Danny Duffy
Career
Per 9 Innings
8.53
8.53
Sean Doolittle
Careerverified
Per 9 Inningsverified
48
0.96
Danny Duffy
Career
Per 9 Innings
144
1.11
Sean Doolittle
Careerverified
Per 9 Inningsverified
0.96
0.96
Danny Duffy
Career
Per 9 Innings
1.11
1.11
Sean Doolittle
Careerverified
Per 9 Inningsverified
0.1
0.1
Danny Duffy
Career
Per 9 Innings
0.62
0.62
Sean Doolittle
Careerverified
Per 9 Inningsverified
103
2.06
Danny Duffy
Career
Per 9 Innings
432
3.32
Sean Doolittle
Career
Per 9 Innings
14
0.28
Danny Duffy
Careerverified
Per 9 Inningsverified
6
0.05
Sean Doolittle
Careerverified
Per 9 Inningsverified
2.06
2.06
Danny Duffy
Career
Per 9 Innings
3.32
3.32
Sean Doolittle
Career
Per 9 Inningsverified
522
10.42
Danny Duffy
Careerverified
Per 9 Innings
1048
8.05
Sean Doolittle
Careerverified
Per 9 Inningsverified
10.42
10.42
Danny Duffy
Career
Per 9 Innings
8.05
8.05
Sean Doolittle
Career
Per 9 Innings
1.13
1.13
Danny Duffy
Careerverified
Per 9 Inningsverified
4.48
4.48
Sean Doolittle
Careerverified
Per 9 Inningsverified
1.387
1.387
Danny Duffy
Career
Per 9 Innings
1.262
1.262
Sean Doolittle
Careerverified
Per 9 Inningsverified
9
0.18
Danny Duffy
Career
Per 9 Innings
52
0.4
Sean Doolittle
Careerverified
Per 9 Inningsverified
8
0.16
Danny Duffy
Career
Per 9 Innings
45
0.35
Sean Doolittle
Careerverified
Per 9 Inningsverified
0
0
Danny Duffy
Career
Per 9 Innings
4
0.03
Sean Doolittle
Career
Per 9 Innings
1801
35.97
Danny Duffy
Careerverified
Per 9 Inningsverified
4974
38.19
Sean Doolittle
Careerverified
Per 9 Inningsverified
218
4.35
Danny Duffy
Career
Per 9 Innings
7
0.05
Sean Doolittle
Careerverified
Per 9 Inningsverified
167
3.34
Danny Duffy
Career
Per 9 Innings
545
4.18
Sean Doolittle
Careerverified
Per 9 Inningsverified
3.34
3.34
Danny Duffy
Career
Per 9 Innings
4.18
4.18
Sean Doolittle
Careerverified
Per 9 Innings
15
0.3
Danny Duffy
Career
Per 9 Inningsverified
21
0.16
Sean Doolittle
Careerverified
Per 9 Inningsverified
10
0.2
Danny Duffy
Career
Per 9 Innings
28
0.21
Sean Doolittle
Career
Per 9 Innings
11
0.22
Danny Duffy
Careerverified
Per 9 Inningsverified
98
0.75
Sean Doolittle
Careerverified
Per 9 Inningsverified
1.014
1.014
Danny Duffy
Career
Per 9 Innings
1.316
1.316
Sean Doolittle
Career
Per 9 Innings
1665
33.25
Danny Duffy
Careerverified
Per 9 Inningsverified
4448
34.15
Sean Doolittle
Careerverified
Per 9 Inningsverified
0.36
0.36
Danny Duffy
Career
Per 9 Innings
2.33
2.33
Sean Doolittle
Careerverified
Per 9 Inningsverified
0.28
0.28
Danny Duffy
Career
Per 9 Innings
0.297
0.297
Sean Doolittle
Career
Per 9 Innings
35.97
35.97
Danny Duffy
Careerverified
Per 9 Inningsverified
38.19
38.19

Fielding Stats for Sean Doolittle and Danny Duffy

Sean Doolittle
Career
Per 9 Innings
11
11
Danny Duffy
Career
Per 9 Innings
11
11
Sean Doolittle
Careerverified
Per 9 Inningsverified
463
9.25
Danny Duffy
Career
Per 9 Innings
234
1.8
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Inningsverified
204
1.57
Sean Doolittle
Career
Per 9 Innings
1352
27
Danny Duffy
Careerverified
Per 9 Innings
3517
27
Sean Doolittle
Career
Per 9 Innings
450.2
9
Danny Duffy
Careerverified
Per 9 Innings
1172.1
9
Sean Doolittle
Career
Per 9 Inningsverified
9
0.18
Danny Duffy
Careerverified
Per 9 Innings
21
0.16
Sean Doolittle
Career
Per 9 Innings
28
0.56
Danny Duffy
Careerverified
Per 9 Inningsverified
119
0.91
Sean Doolittle
Careerverified
Per 9 Inningsverified
2
0.04
Danny Duffy
Career
Per 9 Innings
12
0.09
Sean Doolittle
Career
Per 9 Innings
39
0.78
Danny Duffy
Careerverified
Per 9 Inningsverified
152
1.17
Sean Doolittle
Career
Per 9 Innings
37
0.74
Danny Duffy
Careerverified
Per 9 Inningsverified
140
1.07
Sean Doolittle
Careerverified
Per 9 Inningsverified
94.87
94.87
Danny Duffy
Career
Per 9 Innings
92.11
92.11
Sean Doolittle
Career
Per 9 Innings
0.08
0.08
Danny Duffy
Careerverified
Per 9 Inningsverified
0.598
0.598
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Inningsverified
87.18
87.18
Sean Doolittle
Career
Per 9 Innings
2
0.04
Danny Duffy
Careerverified
Per 9 Inningsverified
7
0.05
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Innings
0
0
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Innings
0
0
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Innings
0
0
Sean Doolittle
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Innings
0
0

Hitting Stats for Sean Doolittle and Danny Duffy

Sean Doolittle
Career
Per 600 PA
11
11
Danny Duffy
Career
Per 600 PA
11
11
Sean Doolittle
Careerverified
Per 600 PAverified
464
69600
Danny Duffy
Career
Per 600 PA
234
5850
Sean Doolittle
Career
Per 600 PA
4
600
Danny Duffy
Careerverified
Per 600 PA
24
600
Sean Doolittle
Career
Per 600 PAverified
4
600
Danny Duffy
Careerverified
Per 600 PA
22
550
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
0.136
0.136
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
0.333
0.333
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
0.37
9.15
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
0.136
0.136
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
0.136
0.136
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
0.273
0.273
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
0.096
0.096
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
0.158
0.158
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
0.273
0.273
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
2
50
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
1
25
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Sean Doolittle
Career
Per 600 PA
-0.75
-112.87
Danny Duffy
Careerverified
Per 600 PAverified
-0.2
-4.88
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Careerverified
Per 600 PA
2
300
Danny Duffy
Career
Per 600 PAverified
11
275
Sean Doolittle
Career
Per 600 PA
2
2
Danny Duffy
Careerverified
Per 600 PAverified
2.18
2.18
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Careerverified
Per 600 PAverified
2
50
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
1
150
Danny Duffy
Careerverified
Per 600 PAverified
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
0
0
Danny Duffy
Career
Per 600 PA
0
0
Sean Doolittle
Career
Per 600 PA
Danny Duffy
Career
Per 600 PA