Aaron Heilman vs. Ron Mahay — Career Comparison

Aaron Heilman
Gen XIndianaThrows RightBats RightNorth AmericaNew York MetsNational LeagueRelief Pitcher
Ron Mahay
Gen XIllinoisThrows LeftBats LeftNorth AmericaTexas RangersAmerican LeagueRelief Pitcher

The numbers give Ron Mahay a clear advantage over Aaron Heilman across the core pitching metrics. Ron Mahay led in run prevention (ERA+ 91 vs 77), home run suppression (HR9+ 73 vs 68), and skill-based run prevention (DICE+ 86 vs 83). Aaron Heilman held the edge in walk avoidance (BB%+ 100 vs 93). Ron Mahay was the better reliever — the numbers make that case clearly.

Pitching Stats for Aaron Heilman and Ron Mahay

Aaron Heilman
Career
Per 9 Innings
9
9
Ron Mahay
Careerverified
Per 9 Inningsverified
14
14
Aaron Heilman
Career
Per 9 Innings
477
6.81
Ron Mahay
Careerverified
Per 9 Inningsverified
514
8.14
Aaron Heilman
Careerverified
Per 9 Inningsverified
25
0.36
Ron Mahay
Career
Per 9 Innings
3
0.05
Aaron Heilman
Careerverified
Per 9 Inningsverified
35
0.5
Ron Mahay
Career
Per 9 Innings
27
0.43
Aaron Heilman
Career
Per 9 Innings
46
0.66
Ron Mahay
Careerverified
Per 9 Inningsverified
12
0.19
Aaron Heilman
Career
Per 9 Innings
43.21
43.21
Ron Mahay
Careerverified
Per 9 Inningsverified
69.23
69.23
Aaron Heilman
Careerverified
Per 9 Inningsverified
5.24
5.24
Ron Mahay
Career
Per 9 Innings
0.58
0.58
Aaron Heilman
Careerverified
Per 9 Inningsverified
1
0.01
Ron Mahay
Career
Per 9 Innings
0
0
Aaron Heilman
Careerverified
Per 9 Inningsverified
1
0.01
Ron Mahay
Career
Per 9 Innings
0
0
Aaron Heilman
Careerverified
Per 9 Inningsverified
16
0.23
Ron Mahay
Career
Per 9 Innings
4
0.06
Aaron Heilman
Career
Per 9 Innings
308
4.4
Ron Mahay
Careerverified
Per 9 Inningsverified
242
3.83
Aaron Heilman
Career
Per 9 Innings
4.4
4.4
Ron Mahay
Careerverified
Per 9 Inningsverified
3.83
3.83
Aaron Heilman
Careerverified
Per 9 Inningsverified
4.08
4.08
Ron Mahay
Career
Per 9 Innings
4.28
4.28
Aaron Heilman
Careerverified
Per 9 Inningsverified
4.12
4.12
Ron Mahay
Career
Per 9 Innings
4.52
4.52
Aaron Heilman
Career
Per 9 Innings
0.253
0.253
Ron Mahay
Careerverified
Per 9 Inningsverified
0.249
0.249
Aaron Heilman
Careerverified
Per 9 Innings
1890
27
Ron Mahay
Career
Per 9 Innings
1704
27
Aaron Heilman
Careerverified
Per 9 Innings
630
9
Ron Mahay
Career
Per 9 Innings
568
9
Aaron Heilman
Career
Per 9 Innings
602
8.6
Ron Mahay
Careerverified
Per 9 Inningsverified
539
8.54
Aaron Heilman
Career
Per 9 Innings
8.6
8.6
Ron Mahay
Careerverified
Per 9 Inningsverified
8.54
8.54
Aaron Heilman
Careerverified
Per 9 Inningsverified
72
1.03
Ron Mahay
Career
Per 9 Innings
75
1.19
Aaron Heilman
Careerverified
Per 9 Inningsverified
1.03
1.03
Ron Mahay
Career
Per 9 Innings
1.19
1.19
Aaron Heilman
Career
Per 9 Innings
0.15
0.15
Ron Mahay
Career
Per 9 Innings
0.15
0.15
Aaron Heilman
Careerverified
Per 9 Inningsverified
256
3.66
Ron Mahay
Career
Per 9 Innings
266
4.21
Aaron Heilman
Career
Per 9 Innings
25
0.36
Ron Mahay
Careerverified
Per 9 Inningsverified
22
0.35
Aaron Heilman
Careerverified
Per 9 Inningsverified
3.66
3.66
Ron Mahay
Career
Per 9 Innings
4.21
4.21
Aaron Heilman
Careerverified
Per 9 Inningsverified
548
7.83
Ron Mahay
Career
Per 9 Innings
470
7.45
Aaron Heilman
Careerverified
Per 9 Inningsverified
7.83
7.83
Ron Mahay
Career
Per 9 Innings
7.45
7.45
Aaron Heilman
Careerverified
Per 9 Inningsverified
1.15
1.15
Ron Mahay
Career
Per 9 Innings
0.91
0.91
Aaron Heilman
Career
Per 9 Innings
1.276
1.276
Ron Mahay
Careerverified
Per 9 Inningsverified
1.296
1.296
Aaron Heilman
Careerverified
Per 9 Inningsverified
27
0.39
Ron Mahay
Career
Per 9 Innings
28
0.44
Aaron Heilman
Career
Per 9 Innings
33
0.47
Ron Mahay
Careerverified
Per 9 Inningsverified
10
0.16
Aaron Heilman
Career
Per 9 Inningsverified
1
0.01
Ron Mahay
Career
Per 9 Innings
1
0.02
Aaron Heilman
Careerverified
Per 9 Innings
2730
39
Ron Mahay
Career
Per 9 Inningsverified
2474
39.2
Aaron Heilman
Careerverified
Per 9 Inningsverified
132
1.89
Ron Mahay
Career
Per 9 Innings
100
1.58
Aaron Heilman
Career
Per 9 Innings
330
4.71
Ron Mahay
Careerverified
Per 9 Inningsverified
273
4.33
Aaron Heilman
Career
Per 9 Innings
4.71
4.71
Ron Mahay
Careerverified
Per 9 Inningsverified
4.33
4.33
Aaron Heilman
Career
Per 9 Innings
41
0.59
Ron Mahay
Careerverified
Per 9 Inningsverified
12
0.19
Aaron Heilman
Careerverified
Per 9 Inningsverified
16
0.23
Ron Mahay
Career
Per 9 Innings
19
0.3
Aaron Heilman
Careerverified
Per 9 Inningsverified
50
0.71
Ron Mahay
Career
Per 9 Innings
41
0.65
Aaron Heilman
Careerverified
Per 9 Inningsverified
1.362
1.362
Ron Mahay
Career
Per 9 Innings
1.417
1.417
Aaron Heilman
Careerverified
Per 9 Innings
2384
34.06
Ron Mahay
Career
Per 9 Inningsverified
2167
34.34
Aaron Heilman
Career
Per 9 Innings
0.69
0.69
Ron Mahay
Careerverified
Per 9 Inningsverified
0.53
0.53
Aaron Heilman
Career
Per 9 Innings
0.301
0.301
Ron Mahay
Careerverified
Per 9 Inningsverified
0.286
0.286
Aaron Heilman
Career
Per 9 Innings
39
39
Ron Mahay
Careerverified
Per 9 Inningsverified
39.2
39.2

Fielding Stats for Aaron Heilman and Ron Mahay

Aaron Heilman
Career
Per 9 Innings
9
9
Ron Mahay
Careerverified
Per 9 Inningsverified
15
15
Aaron Heilman
Career
Per 9 Innings
477
6.81
Ron Mahay
Careerverified
Per 9 Inningsverified
519
7.63
Aaron Heilman
Careerverified
Per 9 Inningsverified
25
0.36
Ron Mahay
Career
Per 9 Innings
8
0.12
Aaron Heilman
Careerverified
Per 9 Innings
1890
27
Ron Mahay
Career
Per 9 Innings
1836
27
Aaron Heilman
Careerverified
Per 9 Innings
630
9
Ron Mahay
Career
Per 9 Innings
612
9
Aaron Heilman
Career
Per 9 Innings
32
0.46
Ron Mahay
Careerverified
Per 9 Inningsverified
35
0.51
Aaron Heilman
Careerverified
Per 9 Inningsverified
111
1.59
Ron Mahay
Career
Per 9 Innings
56
0.82
Aaron Heilman
Career
Per 9 Innings
8
0.11
Ron Mahay
Careerverified
Per 9 Inningsverified
7
0.1
Aaron Heilman
Careerverified
Per 9 Inningsverified
151
2.16
Ron Mahay
Career
Per 9 Innings
98
1.44
Aaron Heilman
Careerverified
Per 9 Inningsverified
143
2.04
Ron Mahay
Career
Per 9 Innings
91
1.34
Aaron Heilman
Careerverified
Per 9 Inningsverified
94.7
94.7
Ron Mahay
Career
Per 9 Innings
92.86
92.86
Aaron Heilman
Careerverified
Per 9 Inningsverified
0.3
0.3
Ron Mahay
Career
Per 9 Innings
0.175
0.175
Aaron Heilman
Careerverified
Per 9 Inningsverified
5.24
5.24
Ron Mahay
Career
Per 9 Innings
1.54
1.54
Aaron Heilman
Careerverified
Per 9 Inningsverified
6
0.09
Ron Mahay
Career
Per 9 Innings
3
0.04
Aaron Heilman
Career
Per 9 Innings
0
0
Ron Mahay
Career
Per 9 Innings
0
0
Aaron Heilman
Career
Per 9 Innings
0
0
Ron Mahay
Career
Per 9 Innings
0
0
Aaron Heilman
Career
Per 9 Innings
0
0
Ron Mahay
Career
Per 9 Innings
0
0
Aaron Heilman
Career
Per 9 Innings
0
0
Ron Mahay
Career
Per 9 Innings
0
0

Hitting Stats for Aaron Heilman and Ron Mahay

Aaron Heilman
Career
Per 600 PA
9
9
Ron Mahay
Careerverified
Per 600 PAverified
15
15
Aaron Heilman
Career
Per 600 PA
477
5300
Ron Mahay
Careerverified
Per 600 PAverified
520
10400
Aaron Heilman
Careerverified
Per 600 PA
54
600
Ron Mahay
Career
Per 600 PA
30
600
Aaron Heilman
Careerverified
Per 600 PA
47
522.22
Ron Mahay
Career
Per 600 PAverified
28
560
Aaron Heilman
Career
Per 600 PA
0.021
0.021
Ron Mahay
Careerverified
Per 600 PAverified
0.214
0.214
Aaron Heilman
Career
Per 600 PA
0.185
0.185
Ron Mahay
Careerverified
Per 600 PAverified
0.7
0.7
Aaron Heilman
Career
Per 600 PA
1
11.11
Ron Mahay
Careerverified
Per 600 PAverified
6
120
Aaron Heilman
Career
Per 600 PA
1
11.11
Ron Mahay
Careerverified
Per 600 PAverified
2
40
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
3
60
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
1
20
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
4
80
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
0.667
0.667
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
0.036
0.036
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
0.167
0.167
Aaron Heilman
Career
Per 600 PA
0.07
0.78
Ron Mahay
Careerverified
Per 600 PAverified
3.39
67.89
Aaron Heilman
Career
Per 600 PA
1
11.11
Ron Mahay
Careerverified
Per 600 PAverified
12
240
Aaron Heilman
Career
Per 600 PA
3
33.33
Ron Mahay
Careerverified
Per 600 PAverified
8
160
Aaron Heilman
Career
Per 600 PA
0.061
0.061
Ron Mahay
Careerverified
Per 600 PAverified
0.267
0.267
Aaron Heilman
Career
Per 600 PA
0.021
0.021
Ron Mahay
Careerverified
Per 600 PAverified
0.429
0.429
Aaron Heilman
Career
Per 600 PA
0.083
0.083
Ron Mahay
Careerverified
Per 600 PAverified
0.695
0.695
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
0.214
0.214
Aaron Heilman
Career
Per 600 PA
0.033
0.033
Ron Mahay
Careerverified
Per 600 PAverified
0.227
0.227
Aaron Heilman
Career
Per 600 PA
0.065
0.065
Ron Mahay
Careerverified
Per 600 PAverified
0.636
0.636
Aaron Heilman
Career
Per 600 PA
0.044
0.044
Ron Mahay
Careerverified
Per 600 PAverified
0.263
0.263
Aaron Heilman
Career
Per 600 PA
1
11.11
Ron Mahay
Careerverified
Per 600 PAverified
3
60
Aaron Heilman
Career
Per 600 PA
1
11.11
Ron Mahay
Careerverified
Per 600 PAverified
3
60
Aaron Heilman
Career
Per 600 PA
2
22.22
Ron Mahay
Careerverified
Per 600 PAverified
5
100
Aaron Heilman
Career
Per 600 PA
-3.49
-38.79
Ron Mahay
Careerverified
Per 600 PAverified
3.09
61.84
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
1
20
Aaron Heilman
Careerverified
Per 600 PAverified
2
22.22
Ron Mahay
Career
Per 600 PA
1
20
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
Aaron Heilman
Career
Per 600 PA
24
266.67
Ron Mahay
Careerverified
Per 600 PAverified
8
160
Aaron Heilman
Career
Per 600 PA
2.25
2.25
Ron Mahay
Careerverified
Per 600 PAverified
3.75
3.75
Aaron Heilman
Career
Per 600 PA
0.08
0.08
Ron Mahay
Careerverified
Per 600 PAverified
0.13
0.13
Aaron Heilman
Careerverified
Per 600 PAverified
5
55.56
Ron Mahay
Career
Per 600 PA
0
0
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
Aaron Heilman
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
Aaron Heilman
Career
Per 600 PA
Ron Mahay
Career
Per 600 PA