Aaron Laffey vs. Kent Mercker — Career Comparison

Aaron Laffey
MillenialMarylandThrows LeftBats LeftNorth AmericaCleveland GuardiansAmerican LeagueStarting Pitcher
Kent Mercker
Gen XIndianaThrows LeftBats LeftNorth AmericaAtlanta BravesNational LeagueRelief Pitcher

Aaron Laffey built a career as a starting pitcher and Kent Mercker as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Aaron Laffey led in home run suppression (HR9+ 122 vs 64), run prevention (ERA+ 98 vs 87), and skill-based run prevention (DICE+ 86 vs 76). Kent Mercker held the edge in strikeout rate (K%+ 81 vs 63). Keeping the role difference in mind, the edge still goes to Aaron Laffey.

Pitching Stats for Aaron Laffey and Kent Mercker

Aaron Laffey
Career
Per 9 Innings
8
8
Kent Mercker
Careerverified
Per 9 Inningsverified
18
18
Aaron Laffey
Career
Per 9 Innings
156
2.84
Kent Mercker
Careerverified
Per 9 Inningsverified
692
4.7
Aaron Laffey
Career
Per 9 Inningsverified
68
1.24
Kent Mercker
Careerverified
Per 9 Innings
150
1.02
Aaron Laffey
Career
Per 9 Innings
26
0.47
Kent Mercker
Careerverified
Per 9 Inningsverified
74
0.5
Aaron Laffey
Careerverified
Per 9 Innings
29
0.53
Kent Mercker
Career
Per 9 Inningsverified
67
0.45
Aaron Laffey
Career
Per 9 Innings
47.27
47.27
Kent Mercker
Careerverified
Per 9 Inningsverified
52.48
52.48
Aaron Laffey
Careerverified
Per 9 Inningsverified
43.59
43.59
Kent Mercker
Career
Per 9 Innings
21.68
21.68
Aaron Laffey
Career
Per 9 Innings
0
0
Kent Mercker
Careerverified
Per 9 Inningsverified
2
0.01
Aaron Laffey
Career
Per 9 Innings
0
0
Kent Mercker
Careerverified
Per 9 Inningsverified
1
0.01
Aaron Laffey
Career
Per 9 Innings
1
0.02
Kent Mercker
Careerverified
Per 9 Inningsverified
25
0.17
Aaron Laffey
Careerverified
Per 9 Innings
244
4.44
Kent Mercker
Career
Per 9 Inningsverified
612
4.16
Aaron Laffey
Career
Per 9 Innings
4.44
4.44
Kent Mercker
Careerverified
Per 9 Inningsverified
4.16
4.16
Aaron Laffey
Career
Per 9 Innings
5.01
5.01
Kent Mercker
Careerverified
Per 9 Inningsverified
4.39
4.39
Aaron Laffey
Career
Per 9 Innings
4.65
4.65
Kent Mercker
Careerverified
Per 9 Inningsverified
4.57
4.57
Aaron Laffey
Career
Per 9 Innings
0.286
0.286
Kent Mercker
Careerverified
Per 9 Inningsverified
0.259
0.259
Aaron Laffey
Career
Per 9 Innings
1483
27
Kent Mercker
Careerverified
Per 9 Innings
3976
27
Aaron Laffey
Career
Per 9 Innings
494.1
9
Kent Mercker
Careerverified
Per 9 Innings
1325.1
9
Aaron Laffey
Careerverified
Per 9 Innings
552
10.05
Kent Mercker
Career
Per 9 Inningsverified
1307
8.88
Aaron Laffey
Career
Per 9 Innings
10.05
10.05
Kent Mercker
Careerverified
Per 9 Inningsverified
8.88
8.88
Aaron Laffey
Careerverified
Per 9 Inningsverified
48
0.87
Kent Mercker
Career
Per 9 Innings
154
1.05
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.87
0.87
Kent Mercker
Career
Per 9 Innings
1.05
1.05
Aaron Laffey
Career
Per 9 Innings
0.31
0.31
Kent Mercker
Careerverified
Per 9 Inningsverified
0.22
0.22
Aaron Laffey
Careerverified
Per 9 Inningsverified
199
3.62
Kent Mercker
Career
Per 9 Innings
607
4.12
Aaron Laffey
Careerverified
Per 9 Inningsverified
8
0.15
Kent Mercker
Career
Per 9 Innings
47
0.32
Aaron Laffey
Careerverified
Per 9 Inningsverified
3.62
3.62
Kent Mercker
Career
Per 9 Innings
4.12
4.12
Aaron Laffey
Career
Per 9 Innings
245
4.46
Kent Mercker
Careerverified
Per 9 Inningsverified
917
6.23
Aaron Laffey
Career
Per 9 Innings
4.46
4.46
Kent Mercker
Careerverified
Per 9 Inningsverified
6.23
6.23
Aaron Laffey
Careerverified
Per 9 Inningsverified
1.57
1.57
Kent Mercker
Career
Per 9 Innings
1.33
1.33
Aaron Laffey
Career
Per 9 Innings
0.898
0.898
Kent Mercker
Careerverified
Per 9 Inningsverified
1.15
1.15
Aaron Laffey
Careerverified
Per 9 Inningsverified
13
0.24
Kent Mercker
Career
Per 9 Innings
55
0.37
Aaron Laffey
Careerverified
Per 9 Innings
28
0.51
Kent Mercker
Career
Per 9 Inningsverified
32
0.22
Aaron Laffey
Careerverified
Per 9 Inningsverified
4
0.07
Kent Mercker
Career
Per 9 Innings
15
0.1
Aaron Laffey
Career
Per 9 Inningsverified
2181
39.71
Kent Mercker
Careerverified
Per 9 Innings
5792
39.33
Aaron Laffey
Career
Per 9 Innings
13
0.24
Kent Mercker
Careerverified
Per 9 Inningsverified
157
1.07
Aaron Laffey
Careerverified
Per 9 Innings
270
4.92
Kent Mercker
Career
Per 9 Inningsverified
676
4.59
Aaron Laffey
Career
Per 9 Innings
4.92
4.92
Kent Mercker
Careerverified
Per 9 Inningsverified
4.59
4.59
Aaron Laffey
Careerverified
Per 9 Inningsverified
11
0.2
Kent Mercker
Career
Per 9 Innings
65
0.44
Aaron Laffey
Careerverified
Per 9 Inningsverified
13
0.24
Kent Mercker
Career
Per 9 Innings
46
0.31
Aaron Laffey
Career
Per 9 Inningsverified
74
1.35
Kent Mercker
Careerverified
Per 9 Innings
104
0.71
Aaron Laffey
Career
Per 9 Innings
1.519
1.519
Kent Mercker
Careerverified
Per 9 Inningsverified
1.444
1.444
Aaron Laffey
Career
Per 9 Inningsverified
1930
35.14
Kent Mercker
Careerverified
Per 9 Innings
5042
34.24
Aaron Laffey
Career
Per 9 Innings
1.73
1.73
Kent Mercker
Careerverified
Per 9 Inningsverified
0.98
0.98
Aaron Laffey
Career
Per 9 Innings
0.308
0.308
Kent Mercker
Careerverified
Per 9 Inningsverified
0.29
0.29
Aaron Laffey
Careerverified
Per 9 Inningsverified
39.71
39.71
Kent Mercker
Career
Per 9 Innings
39.33
39.33

Fielding Stats for Aaron Laffey and Kent Mercker

Aaron Laffey
Career
Per 9 Innings
8
8
Kent Mercker
Careerverified
Per 9 Inningsverified
18
18
Aaron Laffey
Career
Per 9 Innings
156
2.84
Kent Mercker
Careerverified
Per 9 Inningsverified
692
4.7
Aaron Laffey
Career
Per 9 Inningsverified
68
1.24
Kent Mercker
Careerverified
Per 9 Innings
151
1.03
Aaron Laffey
Career
Per 9 Innings
1483
27
Kent Mercker
Careerverified
Per 9 Innings
3976
27
Aaron Laffey
Career
Per 9 Innings
494.1
9
Kent Mercker
Careerverified
Per 9 Innings
1325.1
9
Aaron Laffey
Career
Per 9 Inningsverified
28
0.51
Kent Mercker
Careerverified
Per 9 Innings
53
0.36
Aaron Laffey
Career
Per 9 Inningsverified
80
1.46
Kent Mercker
Careerverified
Per 9 Innings
158
1.07
Aaron Laffey
Careerverified
Per 9 Inningsverified
3
0.05
Kent Mercker
Career
Per 9 Innings
17
0.12
Aaron Laffey
Career
Per 9 Inningsverified
111
2.02
Kent Mercker
Careerverified
Per 9 Innings
228
1.55
Aaron Laffey
Career
Per 9 Inningsverified
108
1.97
Kent Mercker
Careerverified
Per 9 Innings
211
1.43
Aaron Laffey
Careerverified
Per 9 Inningsverified
97.3
97.3
Kent Mercker
Career
Per 9 Innings
92.54
92.54
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.692
0.692
Kent Mercker
Career
Per 9 Innings
0.305
0.305
Aaron Laffey
Careerverified
Per 9 Inningsverified
43.59
43.59
Kent Mercker
Career
Per 9 Innings
21.82
21.82
Aaron Laffey
Career
Per 9 Inningsverified
6
0.11
Kent Mercker
Careerverified
Per 9 Innings
8
0.05
Aaron Laffey
Career
Per 9 Innings
0
0
Kent Mercker
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Kent Mercker
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Kent Mercker
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Kent Mercker
Career
Per 9 Innings
0
0

Hitting Stats for Aaron Laffey and Kent Mercker

Aaron Laffey
Career
Per 600 PA
8
8
Kent Mercker
Careerverified
Per 600 PAverified
18
18
Aaron Laffey
Career
Per 600 PAverified
156
10400
Kent Mercker
Careerverified
Per 600 PA
698
1485.11
Aaron Laffey
Career
Per 600 PA
9
600
Kent Mercker
Careerverified
Per 600 PA
282
600
Aaron Laffey
Career
Per 600 PAverified
9
600
Kent Mercker
Careerverified
Per 600 PA
248
527.66
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
Kent Mercker
Career
Per 600 PA
0.113
0.113
Aaron Laffey
Careerverified
Per 600 PAverified
0.444
0.444
Kent Mercker
Career
Per 600 PA
0.381
0.381
Aaron Laffey
Career
Per 600 PAverified
2
133.33
Kent Mercker
Careerverified
Per 600 PA
28
59.57
Aaron Laffey
Career
Per 600 PAverified
2
133.33
Kent Mercker
Careerverified
Per 600 PA
20
42.55
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
5
10.64
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
2
4.26
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
1
2.13
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
8
17.02
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
0.286
0.286
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
0.004
0.004
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
0.036
0.036
Aaron Laffey
Career
Per 600 PAverified
0.4
26.79
Kent Mercker
Careerverified
Per 600 PA
6.83
14.53
Aaron Laffey
Career
Per 600 PAverified
2
133.33
Kent Mercker
Careerverified
Per 600 PA
40
85.11
Aaron Laffey
Career
Per 600 PAverified
2
133.33
Kent Mercker
Careerverified
Per 600 PA
39
82.98
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
Kent Mercker
Career
Per 600 PA
0.15
0.15
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
Kent Mercker
Career
Per 600 PA
0.161
0.161
Aaron Laffey
Careerverified
Per 600 PAverified
0.444
0.444
Kent Mercker
Career
Per 600 PA
0.311
0.311
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
0.048
0.048
Aaron Laffey
Careerverified
Per 600 PAverified
0.156
0.156
Kent Mercker
Career
Per 600 PA
0.108
0.108
Aaron Laffey
Careerverified
Per 600 PAverified
0.286
0.286
Kent Mercker
Career
Per 600 PA
0.231
0.231
Aaron Laffey
Careerverified
Per 600 PAverified
0.286
0.286
Kent Mercker
Career
Per 600 PA
0.203
0.203
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
12
25.53
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
18
38.3
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
29
61.7
Aaron Laffey
Careerverified
Per 600 PAverified
0.47
31.45
Kent Mercker
Career
Per 600 PA
-0.57
-1.21
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
11
23.4
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Career
Per 600 PA
0
0
Aaron Laffey
Careerverified
Per 600 PAverified
2
133.33
Kent Mercker
Career
Per 600 PA
115
244.68
Aaron Laffey
Careerverified
Per 600 PAverified
4.5
4.5
Kent Mercker
Career
Per 600 PA
2.45
2.45
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
0.1
0.1
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
22
46.81
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Careerverified
Per 600 PAverified
1
2.13
Aaron Laffey
Careerverified
Per 600 PAverified
0
0
Kent Mercker
Career
Per 600 PA
1
2.13
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Kent Mercker
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
Kent Mercker
Career
Per 600 PA