Aaron Laffey vs. James McDonald — Career Comparison

Aaron Laffey
MillenialMarylandThrows LeftBats LeftNorth AmericaCleveland GuardiansAmerican LeagueStarting Pitcher
James McDonald
MillenialCaliforniaThrows RightBats LeftNorth AmericaPittsburgh PiratesNational LeagueStarting Pitcher

Aaron Laffey and James McDonald are about as close as two starters get — the gap between them is negligible across the key measures. Their run-prevention numbers were nearly identical — ERA+ of 98 for Aaron Laffey and 94 for James McDonald, with skill-based marks of DICE+ 86 and 89 respectively. If forced to pick, Aaron Laffey gets the slight nod, but this is a genuinely even pairing.

Pitching Stats for Aaron Laffey and James McDonald

Aaron Laffey
Careerverified
Per 9 Inningsverified
8
8
James McDonald
Career
Per 9 Innings
6
6
Aaron Laffey
Careerverified
Per 9 Inningsverified
156
2.84
James McDonald
Career
Per 9 Innings
131
2.3
Aaron Laffey
Career
Per 9 Innings
68
1.24
James McDonald
Careerverified
Per 9 Inningsverified
82
1.44
Aaron Laffey
Career
Per 9 Innings
26
0.47
James McDonald
Careerverified
Per 9 Inningsverified
32
0.56
Aaron Laffey
Careerverified
Per 9 Innings
29
0.53
James McDonald
Career
Per 9 Innings
30
0.53
Aaron Laffey
Career
Per 9 Innings
47.27
47.27
James McDonald
Careerverified
Per 9 Inningsverified
51.61
51.61
Aaron Laffey
Career
Per 9 Innings
43.59
43.59
James McDonald
Careerverified
Per 9 Inningsverified
62.6
62.6
Aaron Laffey
Career
Per 9 Innings
0
0
James McDonald
Careerverified
Per 9 Inningsverified
1
0.02
Aaron Laffey
Career
Per 9 Innings
0
0
James McDonald
Career
Per 9 Innings
0
0
Aaron Laffey
Careerverified
Per 9 Inningsverified
1
0.02
James McDonald
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
244
4.44
James McDonald
Careerverified
Per 9 Inningsverified
239
4.2
Aaron Laffey
Career
Per 9 Innings
4.44
4.44
James McDonald
Careerverified
Per 9 Inningsverified
4.2
4.2
Aaron Laffey
Career
Per 9 Innings
5.01
5.01
James McDonald
Careerverified
Per 9 Inningsverified
4.17
4.17
Aaron Laffey
Career
Per 9 Innings
4.65
4.65
James McDonald
Careerverified
Per 9 Inningsverified
4.16
4.16
Aaron Laffey
Career
Per 9 Innings
0.286
0.286
James McDonald
Careerverified
Per 9 Inningsverified
0.252
0.252
Aaron Laffey
Career
Per 9 Innings
1483
27
James McDonald
Careerverified
Per 9 Innings
1537
27
Aaron Laffey
Career
Per 9 Innings
494.1
9
James McDonald
Careerverified
Per 9 Innings
512.1
9
Aaron Laffey
Career
Per 9 Innings
552
10.05
James McDonald
Careerverified
Per 9 Inningsverified
487
8.55
Aaron Laffey
Career
Per 9 Innings
10.05
10.05
James McDonald
Careerverified
Per 9 Inningsverified
8.56
8.56
Aaron Laffey
Careerverified
Per 9 Inningsverified
48
0.87
James McDonald
Career
Per 9 Innings
56
0.98
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.87
0.87
James McDonald
Career
Per 9 Innings
0.98
0.98
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.31
0.31
James McDonald
Career
Per 9 Innings
0.43
0.43
Aaron Laffey
Careerverified
Per 9 Inningsverified
199
3.62
James McDonald
Career
Per 9 Innings
231
4.06
Aaron Laffey
Careerverified
Per 9 Inningsverified
8
0.15
James McDonald
Career
Per 9 Innings
21
0.37
Aaron Laffey
Careerverified
Per 9 Inningsverified
3.62
3.62
James McDonald
Career
Per 9 Innings
4.06
4.06
Aaron Laffey
Career
Per 9 Innings
245
4.46
James McDonald
Careerverified
Per 9 Inningsverified
442
7.76
Aaron Laffey
Career
Per 9 Innings
4.46
4.46
James McDonald
Careerverified
Per 9 Inningsverified
7.76
7.76
Aaron Laffey
Career
Per 9 Innings
1.57
1.57
James McDonald
Careerverified
Per 9 Inningsverified
3.37
3.37
Aaron Laffey
Career
Per 9 Innings
0.898
0.898
James McDonald
Careerverified
Per 9 Inningsverified
1.314
1.314
Aaron Laffey
Careerverified
Per 9 Inningsverified
13
0.24
James McDonald
Career
Per 9 Innings
19
0.33
Aaron Laffey
Career
Per 9 Innings
28
0.51
James McDonald
Careerverified
Per 9 Inningsverified
19
0.33
Aaron Laffey
Career
Per 9 Innings
4
0.07
James McDonald
Careerverified
Per 9 Inningsverified
1
0.02
Aaron Laffey
Career
Per 9 Inningsverified
2181
39.71
James McDonald
Careerverified
Per 9 Innings
2215
38.91
Aaron Laffey
Careerverified
Per 9 Inningsverified
13
0.24
James McDonald
Career
Per 9 Innings
11
0.19
Aaron Laffey
Career
Per 9 Innings
270
4.92
James McDonald
Careerverified
Per 9 Inningsverified
261
4.58
Aaron Laffey
Career
Per 9 Innings
4.92
4.92
James McDonald
Careerverified
Per 9 Inningsverified
4.58
4.58
Aaron Laffey
Careerverified
Per 9 Inningsverified
11
0.2
James McDonald
Career
Per 9 Innings
19
0.33
Aaron Laffey
Careerverified
Per 9 Inningsverified
13
0.24
James McDonald
Career
Per 9 Innings
15
0.26
Aaron Laffey
Careerverified
Per 9 Inningsverified
74
1.35
James McDonald
Career
Per 9 Innings
39
0.69
Aaron Laffey
Career
Per 9 Innings
1.519
1.519
James McDonald
Careerverified
Per 9 Inningsverified
1.401
1.401
Aaron Laffey
Career
Per 9 Inningsverified
1930
35.14
James McDonald
Careerverified
Per 9 Innings
1931
33.92
Aaron Laffey
Careerverified
Per 9 Inningsverified
1.73
1.73
James McDonald
Career
Per 9 Innings
1.99
1.99
Aaron Laffey
Career
Per 9 Innings
0.308
0.308
James McDonald
Careerverified
Per 9 Inningsverified
0.301
0.301
Aaron Laffey
Careerverified
Per 9 Inningsverified
39.71
39.71
James McDonald
Career
Per 9 Innings
38.91
38.91

Fielding Stats for Aaron Laffey and James McDonald

Aaron Laffey
Careerverified
Per 9 Inningsverified
8
8
James McDonald
Career
Per 9 Innings
6
6
Aaron Laffey
Careerverified
Per 9 Inningsverified
156
2.84
James McDonald
Career
Per 9 Innings
131
2.3
Aaron Laffey
Career
Per 9 Innings
68
1.24
James McDonald
Careerverified
Per 9 Inningsverified
82
1.44
Aaron Laffey
Career
Per 9 Innings
1483
27
James McDonald
Careerverified
Per 9 Innings
1537
27
Aaron Laffey
Career
Per 9 Innings
494.1
9
James McDonald
Careerverified
Per 9 Innings
512.1
9
Aaron Laffey
Career
Per 9 Innings
28
0.51
James McDonald
Careerverified
Per 9 Inningsverified
34
0.6
Aaron Laffey
Careerverified
Per 9 Inningsverified
80
1.46
James McDonald
Career
Per 9 Innings
47
0.83
Aaron Laffey
Careerverified
Per 9 Inningsverified
3
0.05
James McDonald
Career
Per 9 Innings
4
0.07
Aaron Laffey
Careerverified
Per 9 Inningsverified
111
2.02
James McDonald
Career
Per 9 Innings
85
1.49
Aaron Laffey
Careerverified
Per 9 Inningsverified
108
1.97
James McDonald
Career
Per 9 Innings
81
1.42
Aaron Laffey
Careerverified
Per 9 Inningsverified
97.3
97.3
James McDonald
Career
Per 9 Innings
95.29
95.29
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.692
0.692
James McDonald
Career
Per 9 Innings
0.618
0.618
Aaron Laffey
Career
Per 9 Innings
43.59
43.59
James McDonald
Careerverified
Per 9 Inningsverified
62.6
62.6
Aaron Laffey
Careerverified
Per 9 Inningsverified
6
0.11
James McDonald
Career
Per 9 Innings
3
0.05
Aaron Laffey
Career
Per 9 Innings
0
0
James McDonald
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
James McDonald
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
James McDonald
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
James McDonald
Career
Per 9 Innings
0
0

Hitting Stats for Aaron Laffey and James McDonald

Aaron Laffey
Careerverified
Per 600 PAverified
8
8
James McDonald
Career
Per 600 PA
6
6
Aaron Laffey
Careerverified
Per 600 PAverified
156
10400
James McDonald
Career
Per 600 PA
136
477.19
Aaron Laffey
Career
Per 600 PA
9
600
James McDonald
Careerverified
Per 600 PA
171
600
Aaron Laffey
Career
Per 600 PAverified
9
600
James McDonald
Careerverified
Per 600 PA
145
508.77
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
James McDonald
Career
Per 600 PA
0.11
0.11
Aaron Laffey
Careerverified
Per 600 PAverified
0.444
0.444
James McDonald
Career
Per 600 PA
0.389
0.389
Aaron Laffey
Career
Per 600 PAverified
2
133.33
James McDonald
Careerverified
Per 600 PA
16
56.14
Aaron Laffey
Career
Per 600 PAverified
2
133.33
James McDonald
Careerverified
Per 600 PA
14
49.12
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
2
7.02
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
2
7.02
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
0.125
0.125
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PAverified
0.4
26.79
James McDonald
Careerverified
Per 600 PA
2.68
9.4
Aaron Laffey
Career
Per 600 PAverified
2
133.33
James McDonald
Careerverified
Per 600 PA
18
63.16
Aaron Laffey
Career
Per 600 PAverified
2
133.33
James McDonald
Careerverified
Per 600 PA
29
101.75
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
James McDonald
Career
Per 600 PA
0.184
0.184
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
James McDonald
Career
Per 600 PA
0.124
0.124
Aaron Laffey
Careerverified
Per 600 PAverified
0.444
0.444
James McDonald
Career
Per 600 PA
0.308
0.308
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
0.014
0.014
Aaron Laffey
Careerverified
Per 600 PAverified
0.156
0.156
James McDonald
Career
Per 600 PA
0.114
0.114
Aaron Laffey
Careerverified
Per 600 PAverified
0.286
0.286
James McDonald
Career
Per 600 PA
0.231
0.231
Aaron Laffey
Careerverified
Per 600 PAverified
0.286
0.286
James McDonald
Career
Per 600 PA
0.229
0.229
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
15
52.63
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
4
14.04
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
19
66.67
Aaron Laffey
Careerverified
Per 600 PAverified
0.47
31.45
James McDonald
Career
Per 600 PA
-1.18
-4.15
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
13
45.61
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Careerverified
Per 600 PAverified
2
133.33
James McDonald
Career
Per 600 PA
75
263.16
Aaron Laffey
Careerverified
Per 600 PAverified
4.5
4.5
James McDonald
Career
Per 600 PA
2.28
2.28
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
0.17
0.17
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Careerverified
Per 600 PAverified
13
45.61
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Careerverified
Per 600 PAverified
0
0
James McDonald
Career
Per 600 PA
5
17.54
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
James McDonald
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
James McDonald
Career
Per 600 PA