Aaron Laffey vs. James McJames — Career Comparison

Aaron Laffey
MillenialMarylandThrows LeftBats LeftNorth AmericaCleveland GuardiansAmerican LeagueStarting Pitcher
James McJames
Pre-GenerationalSouth CarolinaThrows RightNorth AmericaWashington NationalsNational LeagueRelief Pitcher

Aaron Laffey built a career as a starting pitcher and James McJames as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. James McJames posted stronger surface numbers — ERA 3.43 and WHIP 1.452 compared to 4.44 and 1.535 for Aaron Laffey. By the career numbers, James McJames had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Aaron Laffey and James McJames

Aaron Laffey
Careerverified
Per 9 Inningsverified
8
8
James McJames
Career
Per 9 Innings
6
6
Aaron Laffey
Career
Per 9 Inningsverified
156
2.84
James McJames
Careerverified
Per 9 Innings
178
1.18
Aaron Laffey
Career
Per 9 Inningsverified
68
1.24
James McJames
Careerverified
Per 9 Innings
162
1.07
Aaron Laffey
Career
Per 9 Innings
26
0.47
James McJames
Careerverified
Per 9 Inningsverified
79
0.52
Aaron Laffey
Careerverified
Per 9 Innings
29
0.53
James McJames
Career
Per 9 Innings
80
0.53
Aaron Laffey
Career
Per 9 Innings
47.27
47.27
James McJames
Careerverified
Per 9 Inningsverified
49.69
49.69
Aaron Laffey
Career
Per 9 Innings
43.59
43.59
James McJames
Careerverified
Per 9 Inningsverified
91.01
91.01
Aaron Laffey
Career
Per 9 Innings
0
0
James McJames
Careerverified
Per 9 Inningsverified
137
0.91
Aaron Laffey
Career
Per 9 Innings
0
0
James McJames
Careerverified
Per 9 Inningsverified
6
0.04
Aaron Laffey
Career
Per 9 Innings
1
0.02
James McJames
Careerverified
Per 9 Inningsverified
4
0.03
Aaron Laffey
Careerverified
Per 9 Innings
244
4.44
James McJames
Career
Per 9 Inningsverified
519
3.43
Aaron Laffey
Career
Per 9 Innings
4.44
4.44
James McJames
Careerverified
Per 9 Inningsverified
3.43
3.43
Aaron Laffey
Career
Per 9 Innings
5.01
5.01
James McJames
Careerverified
Per 9 Inningsverified
3.91
3.91
Aaron Laffey
Career
Per 9 Innings
4.65
4.65
James McJames
Careerverified
Per 9 Inningsverified
3.67
3.67
Aaron Laffey
Career
Per 9 Innings
0.286
0.286
James McJames
Careerverified
Per 9 Inningsverified
0.266
0.266
Aaron Laffey
Career
Per 9 Innings
1483
27
James McJames
Careerverified
Per 9 Innings
4084
27
Aaron Laffey
Career
Per 9 Innings
494.1
9
James McJames
Careerverified
Per 9 Innings
1361.1
9
Aaron Laffey
Careerverified
Per 9 Innings
552
10.05
James McJames
Career
Per 9 Inningsverified
1414
9.35
Aaron Laffey
Career
Per 9 Innings
10.05
10.05
James McJames
Careerverified
Per 9 Inningsverified
9.35
9.35
Aaron Laffey
Career
Per 9 Innings
48
0.87
James McJames
Careerverified
Per 9 Inningsverified
19
0.13
Aaron Laffey
Career
Per 9 Innings
0.87
0.87
James McJames
Careerverified
Per 9 Inningsverified
0.13
0.13
Aaron Laffey
Career
Per 9 Innings
0.31
0.31
James McJames
Careerverified
Per 9 Inningsverified
0.11
0.11
Aaron Laffey
Careerverified
Per 9 Inningsverified
199
3.62
James McJames
Career
Per 9 Innings
563
3.72
Aaron Laffey
Career
Per 9 Innings
8
0.15
James McJames
Careerverified
Per 9 Inningsverified
0
0
Aaron Laffey
Careerverified
Per 9 Inningsverified
3.62
3.62
James McJames
Career
Per 9 Innings
3.72
3.72
Aaron Laffey
Career
Per 9 Inningsverified
245
4.46
James McJames
Careerverified
Per 9 Innings
593
3.92
Aaron Laffey
Careerverified
Per 9 Inningsverified
4.46
4.46
James McJames
Career
Per 9 Innings
3.92
3.92
Aaron Laffey
Career
Per 9 Innings
1.57
1.57
James McJames
Careerverified
Per 9 Inningsverified
3.33
3.33
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.898
0.898
James McJames
Career
Per 9 Innings
0.849
0.849
Aaron Laffey
Careerverified
Per 9 Inningsverified
13
0.24
James McJames
Career
Per 9 Innings
79
0.52
Aaron Laffey
Careerverified
Per 9 Innings
28
0.51
James McJames
Career
Per 9 Inningsverified
56
0.37
Aaron Laffey
Career
Per 9 Innings
4
0.07
James McJames
Careerverified
Per 9 Inningsverified
1
0.01
Aaron Laffey
Career
Per 9 Inningsverified
2181
39.71
James McJames
Careerverified
Per 9 Innings
5933
39.22
Aaron Laffey
Career
Per 9 Inningsverified
13
0.24
James McJames
Careerverified
Per 9 Innings
15
0.1
Aaron Laffey
Careerverified
Per 9 Inningsverified
270
4.92
James McJames
Career
Per 9 Innings
816
5.39
Aaron Laffey
Careerverified
Per 9 Inningsverified
4.92
4.92
James McJames
Career
Per 9 Innings
5.39
5.39
Aaron Laffey
Career
Per 9 Innings
11
0.2
James McJames
Careerverified
Per 9 Inningsverified
0
0
Aaron Laffey
Career
Per 9 Innings
13
0.24
James McJames
Careerverified
Per 9 Inningsverified
0
0
Aaron Laffey
Careerverified
Per 9 Inningsverified
74
1.35
James McJames
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
1.519
1.519
James McJames
Careerverified
Per 9 Inningsverified
1.452
1.452
Aaron Laffey
Career
Per 9 Inningsverified
1930
35.14
James McJames
Careerverified
Per 9 Innings
5314
35.13
Aaron Laffey
Careerverified
Per 9 Inningsverified
1.73
1.73
James McJames
Career
Per 9 Innings
4.58
4.58
Aaron Laffey
Career
Per 9 Innings
0.308
0.308
James McJames
Careerverified
Per 9 Inningsverified
0.297
0.297
Aaron Laffey
Careerverified
Per 9 Inningsverified
39.71
39.71
James McJames
Career
Per 9 Innings
39.22
39.22

Fielding Stats for Aaron Laffey and James McJames

Aaron Laffey
Careerverified
Per 9 Inningsverified
8
8
James McJames
Career
Per 9 Innings
6
6
Aaron Laffey
Career
Per 9 Inningsverified
156
2.84
James McJames
Careerverified
Per 9 Innings
178
1.18
Aaron Laffey
Careerverified
Per 9 Inningsverified
68
1.24
James McJames
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
1483
27
James McJames
Careerverified
Per 9 Innings
4083
27
Aaron Laffey
Career
Per 9 Innings
494.1
9
James McJames
Careerverified
Per 9 Innings
1361
9
Aaron Laffey
Career
Per 9 Inningsverified
28
0.51
James McJames
Careerverified
Per 9 Innings
36
0.24
Aaron Laffey
Career
Per 9 Innings
80
1.46
James McJames
Careerverified
Per 9 Inningsverified
307
2.03
Aaron Laffey
Careerverified
Per 9 Inningsverified
3
0.05
James McJames
Career
Per 9 Innings
35
0.23
Aaron Laffey
Career
Per 9 Innings
111
2.02
James McJames
Careerverified
Per 9 Inningsverified
378
2.5
Aaron Laffey
Career
Per 9 Innings
108
1.97
James McJames
Careerverified
Per 9 Inningsverified
343
2.27
Aaron Laffey
Careerverified
Per 9 Inningsverified
97.3
97.3
James McJames
Career
Per 9 Innings
90.74
90.74
Aaron Laffey
Career
Per 9 Innings
0.692
0.692
James McJames
Careerverified
Per 9 Inningsverified
1.927
1.927
Aaron Laffey
Careerverified
Per 9 Inningsverified
43.59
43.59
James McJames
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Inningsverified
6
0.11
James McJames
Careerverified
Per 9 Innings
7
0.05
Aaron Laffey
Career
Per 9 Innings
0
0
James McJames
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
James McJames
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
James McJames
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
James McJames
Career
Per 9 Innings
0
0

Hitting Stats for Aaron Laffey and James McJames

Aaron Laffey
Careerverified
Per 600 PAverified
8
8
James McJames
Career
Per 600 PA
6
6
Aaron Laffey
Career
Per 600 PAverified
156
10400
James McJames
Careerverified
Per 600 PA
178
191.4
Aaron Laffey
Career
Per 600 PA
9
600
James McJames
Careerverified
Per 600 PA
558
600
Aaron Laffey
Career
Per 600 PAverified
9
600
James McJames
Careerverified
Per 600 PA
537
577.42
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
James McJames
Career
Per 600 PA
0.162
0.162
Aaron Laffey
Careerverified
Per 600 PAverified
0.444
0.444
James McJames
Career
Per 600 PA
0.41
0.41
Aaron Laffey
Career
Per 600 PAverified
2
133.33
James McJames
Careerverified
Per 600 PA
87
93.55
Aaron Laffey
Career
Per 600 PAverified
2
133.33
James McJames
Careerverified
Per 600 PA
70
75.27
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
13
13.98
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
4
4.3
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
17
18.28
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
0.195
0.195
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PAverified
0.4
26.79
James McJames
Careerverified
Per 600 PA
21.27
22.87
Aaron Laffey
Career
Per 600 PAverified
2
133.33
James McJames
Careerverified
Per 600 PA
108
116.13
Aaron Laffey
Career
Per 600 PAverified
2
133.33
James McJames
Careerverified
Per 600 PA
104
111.83
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
James McJames
Career
Per 600 PA
0.188
0.188
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
James McJames
Career
Per 600 PA
0.201
0.201
Aaron Laffey
Careerverified
Per 600 PAverified
0.444
0.444
James McJames
Career
Per 600 PA
0.389
0.389
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
0.039
0.039
Aaron Laffey
Careerverified
Per 600 PAverified
0.156
0.156
James McJames
Career
Per 600 PA
0.135
0.135
Aaron Laffey
Career
Per 600 PA
0.286
0.286
James McJames
Careerverified
Per 600 PAverified
0.289
0.289
Aaron Laffey
Careerverified
Per 600 PAverified
0.286
0.286
James McJames
Career
Per 600 PA
0.196
0.196
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
42
45.16
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
39
41.94
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
81
87.1
Aaron Laffey
Career
Per 600 PAverified
0.47
31.45
James McJames
Careerverified
Per 600 PA
15.43
16.59
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
17
18.28
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Career
Per 600 PA
0
0
Aaron Laffey
Careerverified
Per 600 PA
2
133.33
James McJames
Career
Per 600 PAverified
92
98.92
Aaron Laffey
Career
Per 600 PA
4.5
4.5
James McJames
Careerverified
Per 600 PAverified
6.07
6.07
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
0.18
0.18
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
4
4.3
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
5
5.38
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McJames
Careerverified
Per 600 PAverified
5
5.38
Aaron Laffey
Career
Per 600 PA
James McJames
Careerverified
Per 600 PAverified
100
100