Danny Duffy vs. Jay Marshall — Career Comparison

Danny Duffy
MillenialCaliforniaThrows LeftBats LeftNorth AmericaKansas City RoyalsAmerican LeagueStarting Pitcher
Jay Marshall
MillenialMissouriThrows LeftBats LeftNorth AmericaOakland AthleticsAmerican LeagueRelief Pitcher

Danny Duffy built a career as a starting pitcher and Jay Marshall as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Danny Duffy posted stronger surface numbers — ERA 3.95 and WHIP 1.321 compared to 7.66 and 1.845 for Jay Marshall. By the career numbers, Danny Duffy had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Danny Duffy and Jay Marshall

Danny Duffy
Careerverified
Per 9 Inningsverified
11
11
Jay Marshall
Career
Per 9 Innings
2
2
Danny Duffy
Careerverified
Per 9 Innings
234
1.8
Jay Marshall
Career
Per 9 Inningsverified
61
11.13
Danny Duffy
Careerverified
Per 9 Inningsverified
204
1.57
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Inningsverified
68
0.52
Jay Marshall
Career
Per 9 Innings
1
0.18
Danny Duffy
Career
Per 9 Inningsverified
68
0.52
Jay Marshall
Careerverified
Per 9 Innings
4
0.73
Danny Duffy
Careerverified
Per 9 Inningsverified
50
50
Jay Marshall
Career
Per 9 Innings
20
20
Danny Duffy
Careerverified
Per 9 Inningsverified
87.18
87.18
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Inningsverified
1
0.01
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Innings
0
0
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Inningsverified
1
0.01
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Inningsverified
514
3.95
Jay Marshall
Careerverified
Per 9 Innings
42
7.66
Danny Duffy
Careerverified
Per 9 Inningsverified
3.95
3.95
Jay Marshall
Career
Per 9 Innings
7.66
7.66
Danny Duffy
Careerverified
Per 9 Inningsverified
3.99
3.99
Jay Marshall
Career
Per 9 Innings
5.92
5.92
Danny Duffy
Careerverified
Per 9 Inningsverified
4.03
4.03
Jay Marshall
Career
Per 9 Innings
4.93
4.93
Danny Duffy
Careerverified
Per 9 Inningsverified
0.25
0.25
Jay Marshall
Career
Per 9 Innings
0.315
0.315
Danny Duffy
Careerverified
Per 9 Innings
3517
27
Jay Marshall
Career
Per 9 Innings
148
27
Danny Duffy
Careerverified
Per 9 Innings
1172.1
9
Jay Marshall
Career
Per 9 Innings
49.1
9
Danny Duffy
Career
Per 9 Inningsverified
1111
8.53
Jay Marshall
Careerverified
Per 9 Innings
63
11.49
Danny Duffy
Careerverified
Per 9 Inningsverified
8.53
8.53
Jay Marshall
Career
Per 9 Innings
11.49
11.49
Danny Duffy
Career
Per 9 Innings
144
1.11
Jay Marshall
Careerverified
Per 9 Inningsverified
4
0.73
Danny Duffy
Career
Per 9 Innings
1.11
1.11
Jay Marshall
Careerverified
Per 9 Inningsverified
0.73
0.73
Danny Duffy
Career
Per 9 Innings
0.62
0.62
Jay Marshall
Careerverified
Per 9 Inningsverified
0.07
0.07
Danny Duffy
Career
Per 9 Inningsverified
432
3.32
Jay Marshall
Careerverified
Per 9 Innings
22
4.01
Danny Duffy
Career
Per 9 Inningsverified
6
0.05
Jay Marshall
Career
Per 9 Innings
6
1.09
Danny Duffy
Careerverified
Per 9 Inningsverified
3.32
3.32
Jay Marshall
Career
Per 9 Innings
4.01
4.01
Danny Duffy
Careerverified
Per 9 Inningsverified
1048
8.05
Jay Marshall
Career
Per 9 Innings
19
3.47
Danny Duffy
Careerverified
Per 9 Inningsverified
8.05
8.05
Jay Marshall
Career
Per 9 Innings
3.47
3.47
Danny Duffy
Careerverified
Per 9 Inningsverified
4.48
4.48
Jay Marshall
Career
Per 9 Innings
0.31
0.31
Danny Duffy
Careerverified
Per 9 Inningsverified
1.262
1.262
Jay Marshall
Career
Per 9 Innings
0.831
0.831
Danny Duffy
Career
Per 9 Innings
52
0.4
Jay Marshall
Careerverified
Per 9 Inningsverified
2
0.36
Danny Duffy
Career
Per 9 Inningsverified
45
0.35
Jay Marshall
Careerverified
Per 9 Innings
5
0.91
Danny Duffy
Career
Per 9 Innings
4
0.03
Jay Marshall
Careerverified
Per 9 Inningsverified
0
0
Danny Duffy
Careerverified
Per 9 Innings
4974
38.19
Jay Marshall
Career
Per 9 Inningsverified
233
42.51
Danny Duffy
Career
Per 9 Innings
7
0.05
Jay Marshall
Careerverified
Per 9 Inningsverified
17
3.1
Danny Duffy
Career
Per 9 Inningsverified
545
4.18
Jay Marshall
Careerverified
Per 9 Innings
45
8.21
Danny Duffy
Careerverified
Per 9 Inningsverified
4.18
4.18
Jay Marshall
Career
Per 9 Innings
8.21
8.21
Danny Duffy
Career
Per 9 Inningsverified
21
0.16
Jay Marshall
Careerverified
Per 9 Innings
5
0.91
Danny Duffy
Career
Per 9 Innings
28
0.21
Jay Marshall
Careerverified
Per 9 Inningsverified
1
0.18
Danny Duffy
Careerverified
Per 9 Innings
98
0.75
Jay Marshall
Career
Per 9 Inningsverified
8
1.46
Danny Duffy
Careerverified
Per 9 Inningsverified
1.316
1.316
Jay Marshall
Career
Per 9 Innings
1.723
1.723
Danny Duffy
Careerverified
Per 9 Innings
4448
34.15
Jay Marshall
Career
Per 9 Inningsverified
200
36.49
Danny Duffy
Career
Per 9 Innings
2.33
2.33
Jay Marshall
Careerverified
Per 9 Inningsverified
0.74
0.74
Danny Duffy
Careerverified
Per 9 Inningsverified
0.297
0.297
Jay Marshall
Career
Per 9 Innings
0.333
0.333
Danny Duffy
Career
Per 9 Innings
38.19
38.19
Jay Marshall
Careerverified
Per 9 Inningsverified
42.51
42.51

Fielding Stats for Danny Duffy and Jay Marshall

Danny Duffy
Careerverified
Per 9 Inningsverified
11
11
Jay Marshall
Career
Per 9 Innings
2
2
Danny Duffy
Careerverified
Per 9 Innings
234
1.8
Jay Marshall
Career
Per 9 Inningsverified
61
11.13
Danny Duffy
Careerverified
Per 9 Inningsverified
204
1.57
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Innings
3517
27
Jay Marshall
Career
Per 9 Innings
148
27
Danny Duffy
Careerverified
Per 9 Innings
1172.1
9
Jay Marshall
Career
Per 9 Innings
49.1
9
Danny Duffy
Careerverified
Per 9 Innings
21
0.16
Jay Marshall
Career
Per 9 Inningsverified
2
0.36
Danny Duffy
Careerverified
Per 9 Innings
119
0.91
Jay Marshall
Career
Per 9 Inningsverified
17
3.1
Danny Duffy
Career
Per 9 Inningsverified
12
0.09
Jay Marshall
Careerverified
Per 9 Innings
1
0.18
Danny Duffy
Careerverified
Per 9 Innings
152
1.17
Jay Marshall
Career
Per 9 Inningsverified
20
3.65
Danny Duffy
Careerverified
Per 9 Innings
140
1.07
Jay Marshall
Career
Per 9 Inningsverified
19
3.47
Danny Duffy
Career
Per 9 Innings
92.11
92.11
Jay Marshall
Careerverified
Per 9 Inningsverified
95
95
Danny Duffy
Careerverified
Per 9 Inningsverified
0.598
0.598
Jay Marshall
Career
Per 9 Innings
0.312
0.312
Danny Duffy
Careerverified
Per 9 Inningsverified
87.18
87.18
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Careerverified
Per 9 Innings
7
0.05
Jay Marshall
Career
Per 9 Inningsverified
1
0.18
Danny Duffy
Career
Per 9 Innings
0
0
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Innings
0
0
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Innings
0
0
Jay Marshall
Career
Per 9 Innings
0
0
Danny Duffy
Career
Per 9 Innings
0
0
Jay Marshall
Career
Per 9 Innings
0
0

Hitting Stats for Danny Duffy and Jay Marshall

Danny Duffy
Careerverified
Per 600 PAverified
11
11
Jay Marshall
Career
Per 600 PA
2
Danny Duffy
Careerverified
Per 600 PAverified
234
5850
Jay Marshall
Career
Per 600 PA
61
Danny Duffy
Careerverified
Per 600 PAverified
24
600
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Careerverified
Per 600 PAverified
22
550
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Careerverified
Per 600 PAverified
0.136
0.136
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
0.333
0.333
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
0.37
9.15
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Careerverified
Per 600 PAverified
0.136
0.136
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
0.136
0.136
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
0.273
0.273
Jay Marshall
Career
Per 600 PA
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
0.096
0.096
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
0.158
0.158
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
0.273
0.273
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
2
50
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Careerverified
Per 600 PAverified
1
25
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Careerverified
Per 600 PAverified
3
75
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Careerverified
Per 600 PAverified
-0.2
-4.88
Jay Marshall
Career
Per 600 PA
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
11
275
Jay Marshall
Careerverified
Per 600 PAverified
0
Danny Duffy
Careerverified
Per 600 PAverified
2.18
2.18
Jay Marshall
Career
Per 600 PA
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
Danny Duffy
Careerverified
Per 600 PAverified
2
50
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
0
0
Jay Marshall
Career
Per 600 PA
0
Danny Duffy
Career
Per 600 PA
Jay Marshall
Career
Per 600 PA