Ken Dayley vs. Justin De Fratus — Career Comparison

Ken Dayley
Baby BoomersIdahoThrows LeftBats LeftNorth AmericaSt. Louis CardinalsNational LeagueRelief Pitcher
Justin De Fratus
MillenialCaliforniaThrows RightBats SwitchNorth AmericaPhiladelphia PhilliesNational LeagueRelief Pitcher

Ken Dayley and Justin De Fratus are about as close as two relievers get — the gap between them is negligible across the key measures. Their run-prevention numbers were nearly identical — ERA+ of 100 for Ken Dayley and 104 for Justin De Fratus, with skill-based marks of DICE+ 99 and 99 respectively. If forced to pick, Justin De Fratus gets the slight nod, but this is a genuinely even pairing.

Pitching Stats for Ken Dayley and Justin De Fratus

Ken Dayley
Careerverified
Per 9 Inningsverified
11
11
Justin De Fratus
Career
Per 9 Innings
5
5
Ken Dayley
Careerverified
Per 9 Innings
385
6.04
Justin De Fratus
Career
Per 9 Inningsverified
191
8.86
Ken Dayley
Careerverified
Per 9 Inningsverified
33
0.52
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Careerverified
Per 9 Inningsverified
33
0.52
Justin De Fratus
Career
Per 9 Innings
7
0.32
Ken Dayley
Career
Per 9 Innings
45
0.71
Justin De Fratus
Careerverified
Per 9 Inningsverified
6
0.28
Ken Dayley
Career
Per 9 Innings
42.31
42.31
Justin De Fratus
Careerverified
Per 9 Inningsverified
53.85
53.85
Ken Dayley
Careerverified
Per 9 Inningsverified
8.57
8.57
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Career
Per 9 Innings
0
0
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Career
Per 9 Innings
0
0
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Careerverified
Per 9 Inningsverified
39
0.61
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Career
Per 9 Inningsverified
232
3.64
Justin De Fratus
Careerverified
Per 9 Innings
88
4.08
Ken Dayley
Careerverified
Per 9 Inningsverified
3.64
3.64
Justin De Fratus
Career
Per 9 Innings
4.08
4.08
Ken Dayley
Careerverified
Per 9 Inningsverified
3.7
3.7
Justin De Fratus
Career
Per 9 Innings
3.98
3.98
Ken Dayley
Career
Per 9 Innings
3.75
3.75
Justin De Fratus
Careerverified
Per 9 Inningsverified
3.73
3.73
Ken Dayley
Career
Per 9 Innings
0.261
0.261
Justin De Fratus
Careerverified
Per 9 Inningsverified
0.256
0.256
Ken Dayley
Careerverified
Per 9 Innings
1721
27
Justin De Fratus
Career
Per 9 Innings
582
27
Ken Dayley
Careerverified
Per 9 Innings
573.2
9
Justin De Fratus
Career
Per 9 Innings
194
9
Ken Dayley
Career
Per 9 Innings
564
8.85
Justin De Fratus
Careerverified
Per 9 Inningsverified
190
8.81
Ken Dayley
Career
Per 9 Innings
8.85
8.85
Justin De Fratus
Careerverified
Per 9 Inningsverified
8.81
8.81
Ken Dayley
Career
Per 9 Inningsverified
42
0.66
Justin De Fratus
Careerverified
Per 9 Innings
16
0.74
Ken Dayley
Careerverified
Per 9 Inningsverified
0.66
0.66
Justin De Fratus
Career
Per 9 Innings
0.74
0.74
Ken Dayley
Career
Per 9 Innings
0.11
0.11
Justin De Fratus
Careerverified
Per 9 Inningsverified
0.08
0.08
Ken Dayley
Career
Per 9 Inningsverified
225
3.53
Justin De Fratus
Careerverified
Per 9 Innings
77
3.57
Ken Dayley
Career
Per 9 Innings
49
0.77
Justin De Fratus
Careerverified
Per 9 Inningsverified
11
0.51
Ken Dayley
Careerverified
Per 9 Inningsverified
3.53
3.53
Justin De Fratus
Career
Per 9 Innings
3.57
3.57
Ken Dayley
Careerverified
Per 9 Innings
406
6.37
Justin De Fratus
Career
Per 9 Inningsverified
170
7.89
Ken Dayley
Career
Per 9 Innings
6.37
6.37
Justin De Fratus
Careerverified
Per 9 Inningsverified
7.89
7.89
Ken Dayley
Careerverified
Per 9 Inningsverified
1.05
1.05
Justin De Fratus
Career
Per 9 Innings
0.89
0.89
Ken Dayley
Career
Per 9 Innings
1.1
1.1
Justin De Fratus
Careerverified
Per 9 Inningsverified
1.273
1.273
Ken Dayley
Career
Per 9 Inningsverified
26
0.41
Justin De Fratus
Careerverified
Per 9 Innings
17
0.79
Ken Dayley
Careerverified
Per 9 Inningsverified
8
0.13
Justin De Fratus
Career
Per 9 Innings
14
0.65
Ken Dayley
Career
Per 9 Innings
1
0.02
Justin De Fratus
Careerverified
Per 9 Inningsverified
0
0
Ken Dayley
Careerverified
Per 9 Innings
2450
38.44
Justin De Fratus
Career
Per 9 Inningsverified
850
39.43
Ken Dayley
Careerverified
Per 9 Innings
145
2.27
Justin De Fratus
Career
Per 9 Innings
49
2.27
Ken Dayley
Career
Per 9 Inningsverified
273
4.28
Justin De Fratus
Careerverified
Per 9 Innings
99
4.59
Ken Dayley
Careerverified
Per 9 Inningsverified
4.28
4.28
Justin De Fratus
Career
Per 9 Innings
4.59
4.59
Ken Dayley
Career
Per 9 Innings
33
0.52
Justin De Fratus
Careerverified
Per 9 Inningsverified
8
0.37
Ken Dayley
Career
Per 9 Inningsverified
20
0.31
Justin De Fratus
Careerverified
Per 9 Innings
8
0.37
Ken Dayley
Careerverified
Per 9 Inningsverified
54
0.85
Justin De Fratus
Career
Per 9 Innings
16
0.74
Ken Dayley
Careerverified
Per 9 Inningsverified
1.375
1.375
Justin De Fratus
Career
Per 9 Innings
1.376
1.376
Ken Dayley
Careerverified
Per 9 Innings
2164
33.95
Justin De Fratus
Career
Per 9 Inningsverified
743
34.47
Ken Dayley
Career
Per 9 Innings
0.71
0.71
Justin De Fratus
Careerverified
Per 9 Inningsverified
0.52
0.52
Ken Dayley
Careerverified
Per 9 Inningsverified
0.304
0.304
Justin De Fratus
Career
Per 9 Innings
0.312
0.312
Ken Dayley
Career
Per 9 Innings
38.44
38.44
Justin De Fratus
Careerverified
Per 9 Inningsverified
39.43
39.43

Fielding Stats for Ken Dayley and Justin De Fratus

Ken Dayley
Careerverified
Per 9 Inningsverified
11
11
Justin De Fratus
Career
Per 9 Innings
5
5
Ken Dayley
Careerverified
Per 9 Innings
385
6.04
Justin De Fratus
Career
Per 9 Inningsverified
191
8.86
Ken Dayley
Careerverified
Per 9 Inningsverified
33
0.52
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Careerverified
Per 9 Innings
1721
27
Justin De Fratus
Career
Per 9 Innings
582
27
Ken Dayley
Careerverified
Per 9 Innings
573.2
9
Justin De Fratus
Career
Per 9 Innings
194
9
Ken Dayley
Careerverified
Per 9 Innings
23
0.36
Justin De Fratus
Career
Per 9 Inningsverified
12
0.56
Ken Dayley
Careerverified
Per 9 Inningsverified
63
0.99
Justin De Fratus
Career
Per 9 Innings
14
0.65
Ken Dayley
Careerverified
Per 9 Inningsverified
2
0.03
Justin De Fratus
Career
Per 9 Innings
6
0.28
Ken Dayley
Careerverified
Per 9 Innings
88
1.38
Justin De Fratus
Career
Per 9 Inningsverified
32
1.48
Ken Dayley
Careerverified
Per 9 Inningsverified
86
1.35
Justin De Fratus
Career
Per 9 Innings
26
1.21
Ken Dayley
Careerverified
Per 9 Inningsverified
97.73
97.73
Justin De Fratus
Career
Per 9 Innings
81.25
81.25
Ken Dayley
Careerverified
Per 9 Inningsverified
0.223
0.223
Justin De Fratus
Career
Per 9 Innings
0.136
0.136
Ken Dayley
Careerverified
Per 9 Inningsverified
8.57
8.57
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Career
Per 9 Innings
2
0.03
Justin De Fratus
Career
Per 9 Inningsverified
2
0.09
Ken Dayley
Career
Per 9 Innings
0
0
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Career
Per 9 Innings
0
0
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Career
Per 9 Innings
0
0
Justin De Fratus
Career
Per 9 Innings
0
0
Ken Dayley
Career
Per 9 Innings
0
0
Justin De Fratus
Career
Per 9 Innings
0
0

Hitting Stats for Ken Dayley and Justin De Fratus

Ken Dayley
Careerverified
Per 600 PAverified
11
11
Justin De Fratus
Career
Per 600 PA
5
5
Ken Dayley
Careerverified
Per 600 PA
388
2450.53
Justin De Fratus
Career
Per 600 PAverified
191
28650
Ken Dayley
Careerverified
Per 600 PA
95
600
Justin De Fratus
Career
Per 600 PA
4
600
Ken Dayley
Careerverified
Per 600 PA
81
511.58
Justin De Fratus
Career
Per 600 PAverified
4
600
Ken Dayley
Career
Per 600 PA
0.21
0.21
Justin De Fratus
Careerverified
Per 600 PAverified
0.25
0.25
Ken Dayley
Careerverified
Per 600 PAverified
0.537
0.537
Justin De Fratus
Career
Per 600 PA
0.5
0.5
Ken Dayley
Careerverified
Per 600 PA
17
107.37
Justin De Fratus
Career
Per 600 PAverified
1
150
Ken Dayley
Careerverified
Per 600 PA
17
107.37
Justin De Fratus
Career
Per 600 PAverified
1
150
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Careerverified
Per 600 PA
4.44
28.02
Justin De Fratus
Career
Per 600 PAverified
0.23
34.02
Ken Dayley
Careerverified
Per 600 PA
17
107.37
Justin De Fratus
Career
Per 600 PAverified
1
150
Ken Dayley
Careerverified
Per 600 PAverified
24
151.58
Justin De Fratus
Career
Per 600 PA
1
150
Ken Dayley
Careerverified
Per 600 PAverified
0.273
0.273
Justin De Fratus
Career
Per 600 PA
0.25
0.25
Ken Dayley
Career
Per 600 PA
0.21
0.21
Justin De Fratus
Careerverified
Per 600 PAverified
0.25
0.25
Ken Dayley
Career
Per 600 PA
0.483
0.483
Justin De Fratus
Careerverified
Per 600 PAverified
0.5
0.5
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0.175
0.175
Justin De Fratus
Career
Per 600 PA
0.175
0.175
Ken Dayley
Careerverified
Per 600 PAverified
0.369
0.369
Justin De Fratus
Career
Per 600 PA
0.333
0.333
Ken Dayley
Career
Per 600 PA
0.347
0.347
Justin De Fratus
Careerverified
Per 600 PAverified
0.5
0.5
Ken Dayley
Careerverified
Per 600 PAverified
4
25.26
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Careerverified
Per 600 PAverified
2
12.63
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Careerverified
Per 600 PAverified
6
37.89
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Careerverified
Per 600 PA
5.64
35.6
Justin De Fratus
Career
Per 600 PAverified
0.28
41.68
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Careerverified
Per 600 PAverified
7
44.21
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PAverified
32
202.11
Justin De Fratus
Careerverified
Per 600 PA
2
300
Ken Dayley
Careerverified
Per 600 PAverified
2.97
2.97
Justin De Fratus
Career
Per 600 PA
2
2
Ken Dayley
Careerverified
Per 600 PAverified
0.22
0.22
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Careerverified
Per 600 PAverified
7
44.21
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Careerverified
Per 600 PAverified
1
6.32
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Careerverified
Per 600 PAverified
1
6.32
Justin De Fratus
Career
Per 600 PA
0
0
Ken Dayley
Career
Per 600 PA
0
0
Justin De Fratus
Career
Per 600 PA