Dan Jennings vs. Aaron Laffey — Career Comparison

Dan Jennings
MillenialCaliforniaThrows LeftBats LeftNorth AmericaChicago White SoxAmerican LeagueRelief Pitcher
Aaron Laffey
MillenialMarylandThrows LeftBats LeftNorth AmericaCleveland GuardiansAmerican LeagueStarting Pitcher

Aaron Laffey built a career as a starting pitcher and Dan Jennings as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dan Jennings led in home run suppression (HR9+ 259 vs 122), run prevention (ERA+ 161 vs 98), and strikeout rate (K%+ 82 vs 63). Role difference aside, Dan Jennings holds a clear edge on every meaningful shared measure.

Pitching Stats for Dan Jennings and Aaron Laffey

Dan Jennings
Career
Per 9 Innings
8
8
Aaron Laffey
Career
Per 9 Innings
8
8
Dan Jennings
Careerverified
Per 9 Inningsverified
390
10.07
Aaron Laffey
Career
Per 9 Innings
156
2.84
Dan Jennings
Career
Per 9 Innings
1
0.03
Aaron Laffey
Careerverified
Per 9 Inningsverified
68
1.24
Dan Jennings
Career
Per 9 Innings
17
0.44
Aaron Laffey
Careerverified
Per 9 Inningsverified
26
0.47
Dan Jennings
Careerverified
Per 9 Inningsverified
20
0.52
Aaron Laffey
Career
Per 9 Innings
29
0.53
Dan Jennings
Career
Per 9 Innings
45.95
45.95
Aaron Laffey
Careerverified
Per 9 Inningsverified
47.27
47.27
Dan Jennings
Career
Per 9 Innings
0.26
0.26
Aaron Laffey
Careerverified
Per 9 Inningsverified
43.59
43.59
Dan Jennings
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Dan Jennings
Careerverified
Per 9 Inningsverified
2
0.05
Aaron Laffey
Career
Per 9 Innings
1
0.02
Dan Jennings
Careerverified
Per 9 Inningsverified
120
3.1
Aaron Laffey
Career
Per 9 Innings
244
4.44
Dan Jennings
Careerverified
Per 9 Inningsverified
3.1
3.1
Aaron Laffey
Career
Per 9 Innings
4.44
4.44
Dan Jennings
Careerverified
Per 9 Inningsverified
3.96
3.96
Aaron Laffey
Career
Per 9 Innings
5.01
5.01
Dan Jennings
Careerverified
Per 9 Inningsverified
3.74
3.74
Aaron Laffey
Career
Per 9 Innings
4.65
4.65
Dan Jennings
Careerverified
Per 9 Inningsverified
0.259
0.259
Aaron Laffey
Career
Per 9 Innings
0.286
0.286
Dan Jennings
Career
Per 9 Innings
1046
27
Aaron Laffey
Careerverified
Per 9 Innings
1483
27
Dan Jennings
Career
Per 9 Innings
348.2
9
Aaron Laffey
Careerverified
Per 9 Innings
494.1
9
Dan Jennings
Careerverified
Per 9 Inningsverified
341
8.8
Aaron Laffey
Career
Per 9 Innings
552
10.05
Dan Jennings
Careerverified
Per 9 Inningsverified
8.8
8.8
Aaron Laffey
Career
Per 9 Innings
10.05
10.05
Dan Jennings
Careerverified
Per 9 Inningsverified
25
0.65
Aaron Laffey
Career
Per 9 Innings
48
0.87
Dan Jennings
Careerverified
Per 9 Inningsverified
0.65
0.65
Aaron Laffey
Career
Per 9 Innings
0.87
0.87
Dan Jennings
Careerverified
Per 9 Inningsverified
0.06
0.06
Aaron Laffey
Career
Per 9 Innings
0.31
0.31
Dan Jennings
Careerverified
Per 9 Innings
157
4.05
Aaron Laffey
Career
Per 9 Inningsverified
199
3.62
Dan Jennings
Career
Per 9 Innings
20
0.52
Aaron Laffey
Careerverified
Per 9 Inningsverified
8
0.15
Dan Jennings
Career
Per 9 Innings
4.05
4.05
Aaron Laffey
Careerverified
Per 9 Inningsverified
3.62
3.62
Dan Jennings
Careerverified
Per 9 Inningsverified
281
7.25
Aaron Laffey
Career
Per 9 Innings
245
4.46
Dan Jennings
Careerverified
Per 9 Inningsverified
7.25
7.25
Aaron Laffey
Career
Per 9 Innings
4.46
4.46
Dan Jennings
Career
Per 9 Innings
0.72
0.72
Aaron Laffey
Careerverified
Per 9 Inningsverified
1.57
1.57
Dan Jennings
Careerverified
Per 9 Inningsverified
1.256
1.256
Aaron Laffey
Career
Per 9 Innings
0.898
0.898
Dan Jennings
Career
Per 9 Innings
19
0.49
Aaron Laffey
Careerverified
Per 9 Inningsverified
13
0.24
Dan Jennings
Careerverified
Per 9 Inningsverified
8
0.21
Aaron Laffey
Career
Per 9 Innings
28
0.51
Dan Jennings
Careerverified
Per 9 Inningsverified
1
0.03
Aaron Laffey
Career
Per 9 Innings
4
0.07
Dan Jennings
Career
Per 9 Innings
1512
39.03
Aaron Laffey
Careerverified
Per 9 Inningsverified
2181
39.71
Dan Jennings
Careerverified
Per 9 Inningsverified
77
1.99
Aaron Laffey
Career
Per 9 Innings
13
0.24
Dan Jennings
Careerverified
Per 9 Inningsverified
141
3.64
Aaron Laffey
Career
Per 9 Innings
270
4.92
Dan Jennings
Careerverified
Per 9 Inningsverified
3.64
3.64
Aaron Laffey
Career
Per 9 Innings
4.92
4.92
Dan Jennings
Career
Per 9 Innings
12
0.31
Aaron Laffey
Careerverified
Per 9 Inningsverified
11
0.2
Dan Jennings
Career
Per 9 Innings
16
0.41
Aaron Laffey
Careerverified
Per 9 Inningsverified
13
0.24
Dan Jennings
Career
Per 9 Innings
46
1.19
Aaron Laffey
Careerverified
Per 9 Inningsverified
74
1.35
Dan Jennings
Careerverified
Per 9 Inningsverified
1.428
1.428
Aaron Laffey
Career
Per 9 Innings
1.519
1.519
Dan Jennings
Career
Per 9 Innings
1319
34.05
Aaron Laffey
Careerverified
Per 9 Inningsverified
1930
35.14
Dan Jennings
Careerverified
Per 9 Inningsverified
0.36
0.36
Aaron Laffey
Career
Per 9 Innings
1.73
1.73
Dan Jennings
Career
Per 9 Innings
0.312
0.312
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.308
0.308
Dan Jennings
Career
Per 9 Innings
39.03
39.03
Aaron Laffey
Careerverified
Per 9 Inningsverified
39.71
39.71

Fielding Stats for Dan Jennings and Aaron Laffey

Dan Jennings
Career
Per 9 Innings
8
8
Aaron Laffey
Career
Per 9 Innings
8
8
Dan Jennings
Careerverified
Per 9 Inningsverified
390
10.07
Aaron Laffey
Career
Per 9 Innings
156
2.84
Dan Jennings
Career
Per 9 Innings
1
0.03
Aaron Laffey
Careerverified
Per 9 Inningsverified
68
1.24
Dan Jennings
Career
Per 9 Innings
1046
27
Aaron Laffey
Careerverified
Per 9 Innings
1483
27
Dan Jennings
Career
Per 9 Innings
348.2
9
Aaron Laffey
Careerverified
Per 9 Innings
494.1
9
Dan Jennings
Career
Per 9 Innings
18
0.46
Aaron Laffey
Careerverified
Per 9 Inningsverified
28
0.51
Dan Jennings
Career
Per 9 Innings
54
1.39
Aaron Laffey
Careerverified
Per 9 Inningsverified
80
1.46
Dan Jennings
Career
Per 9 Innings
4
0.1
Aaron Laffey
Careerverified
Per 9 Inningsverified
3
0.05
Dan Jennings
Career
Per 9 Innings
76
1.96
Aaron Laffey
Careerverified
Per 9 Inningsverified
111
2.02
Dan Jennings
Career
Per 9 Innings
72
1.86
Aaron Laffey
Careerverified
Per 9 Inningsverified
108
1.97
Dan Jennings
Career
Per 9 Innings
94.74
94.74
Aaron Laffey
Careerverified
Per 9 Inningsverified
97.3
97.3
Dan Jennings
Career
Per 9 Innings
0.185
0.185
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.692
0.692
Dan Jennings
Career
Per 9 Innings
0.26
0.26
Aaron Laffey
Careerverified
Per 9 Inningsverified
43.59
43.59
Dan Jennings
Career
Per 9 Innings
2
0.05
Aaron Laffey
Careerverified
Per 9 Inningsverified
6
0.11
Dan Jennings
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Dan Jennings
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0

Hitting Stats for Dan Jennings and Aaron Laffey

Dan Jennings
Career
Per 600 PA
8
8
Aaron Laffey
Career
Per 600 PA
8
8
Dan Jennings
Careerverified
Per 600 PAverified
390
58500
Aaron Laffey
Career
Per 600 PA
156
10400
Dan Jennings
Career
Per 600 PA
4
600
Aaron Laffey
Careerverified
Per 600 PA
9
600
Dan Jennings
Career
Per 600 PA
4
600
Aaron Laffey
Careerverified
Per 600 PA
9
600
Dan Jennings
Careerverified
Per 600 PAverified
0.5
0.5
Aaron Laffey
Career
Per 600 PA
0.222
0.222
Dan Jennings
Careerverified
Per 600 PAverified
1.25
1.25
Aaron Laffey
Career
Per 600 PA
0.444
0.444
Dan Jennings
Career
Per 600 PAverified
2
300
Aaron Laffey
Career
Per 600 PA
2
133.33
Dan Jennings
Career
Per 600 PAverified
1
150
Aaron Laffey
Careerverified
Per 600 PA
2
133.33
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Careerverified
Per 600 PAverified
0.5
0.5
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Careerverified
Per 600 PAverified
1.25
186.79
Aaron Laffey
Career
Per 600 PA
0.4
26.79
Dan Jennings
Careerverified
Per 600 PAverified
3
450
Aaron Laffey
Career
Per 600 PA
2
133.33
Dan Jennings
Career
Per 600 PAverified
2
300
Aaron Laffey
Career
Per 600 PA
2
133.33
Dan Jennings
Careerverified
Per 600 PAverified
0.5
0.5
Aaron Laffey
Career
Per 600 PA
0.222
0.222
Dan Jennings
Careerverified
Per 600 PAverified
0.75
0.75
Aaron Laffey
Career
Per 600 PA
0.222
0.222
Dan Jennings
Careerverified
Per 600 PAverified
1.25
1.25
Aaron Laffey
Career
Per 600 PA
0.444
0.444
Dan Jennings
Careerverified
Per 600 PAverified
0.25
0.25
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Careerverified
Per 600 PAverified
0.413
0.413
Aaron Laffey
Career
Per 600 PA
0.156
0.156
Dan Jennings
Careerverified
Per 600 PAverified
1.5
1.5
Aaron Laffey
Career
Per 600 PA
0.286
0.286
Dan Jennings
Careerverified
Per 600 PAverified
0.667
0.667
Aaron Laffey
Career
Per 600 PA
0.286
0.286
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Careerverified
Per 600 PAverified
1
150
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Careerverified
Per 600 PAverified
1.2
180.17
Aaron Laffey
Career
Per 600 PA
0.47
31.45
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Careerverified
Per 600 PA
1
150
Aaron Laffey
Career
Per 600 PAverified
2
133.33
Dan Jennings
Career
Per 600 PA
4
4
Aaron Laffey
Careerverified
Per 600 PAverified
4.5
4.5
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Dan Jennings
Career
Per 600 PA
Aaron Laffey
Career
Per 600 PA