John Halama vs. Ron Mahay — Career Comparison

John Halama
Gen XNew YorkThrows LeftBats LeftNorth AmericaSeattle MarinersAmerican LeagueStarting Pitcher
Ron Mahay
Gen XIllinoisThrows LeftBats LeftNorth AmericaTexas RangersAmerican LeagueRelief Pitcher

John Halama built a career as a starting pitcher and Ron Mahay as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Halama led in walk avoidance (BB%+ 129 vs 93), home run suppression (HR9+ 97 vs 73), and run prevention (ERA+ 105 vs 91). Ron Mahay held the edge in strikeout rate (K%+ 100 vs 76). Role difference aside, John Halama holds a clear edge on every meaningful shared measure.

Pitching Stats for John Halama and Ron Mahay

John Halama
Career
Per 9 Innings
9
9
Ron Mahay
Careerverified
Per 9 Inningsverified
14
14
John Halama
Career
Per 9 Innings
262
2.59
Ron Mahay
Careerverified
Per 9 Inningsverified
514
8.14
John Halama
Careerverified
Per 9 Inningsverified
119
1.18
Ron Mahay
Career
Per 9 Innings
3
0.05
John Halama
Careerverified
Per 9 Inningsverified
56
0.55
Ron Mahay
Career
Per 9 Innings
27
0.43
John Halama
Career
Per 9 Innings
48
0.47
Ron Mahay
Careerverified
Per 9 Inningsverified
12
0.19
John Halama
Career
Per 9 Innings
53.85
53.85
Ron Mahay
Careerverified
Per 9 Inningsverified
69.23
69.23
John Halama
Careerverified
Per 9 Inningsverified
45.42
45.42
Ron Mahay
Career
Per 9 Innings
0.58
0.58
John Halama
Careerverified
Per 9 Inningsverified
2
0.02
Ron Mahay
Career
Per 9 Innings
0
0
John Halama
Careerverified
Per 9 Inningsverified
2
0.02
Ron Mahay
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Ron Mahay
Careerverified
Per 9 Inningsverified
4
0.06
John Halama
Career
Per 9 Innings
471
4.65
Ron Mahay
Careerverified
Per 9 Inningsverified
242
3.83
John Halama
Career
Per 9 Innings
4.65
4.65
Ron Mahay
Careerverified
Per 9 Inningsverified
3.83
3.83
John Halama
Career
Per 9 Innings
4.87
4.87
Ron Mahay
Careerverified
Per 9 Inningsverified
4.28
4.28
John Halama
Career
Per 9 Innings
4.57
4.57
Ron Mahay
Careerverified
Per 9 Inningsverified
4.52
4.52
John Halama
Career
Per 9 Innings
0.29
0.29
Ron Mahay
Careerverified
Per 9 Inningsverified
0.249
0.249
John Halama
Careerverified
Per 9 Innings
2733
27
Ron Mahay
Career
Per 9 Innings
1704
27
John Halama
Careerverified
Per 9 Innings
911
9
Ron Mahay
Career
Per 9 Innings
568
9
John Halama
Career
Per 9 Innings
1048
10.35
Ron Mahay
Careerverified
Per 9 Inningsverified
539
8.54
John Halama
Career
Per 9 Innings
10.35
10.35
Ron Mahay
Careerverified
Per 9 Inningsverified
8.54
8.54
John Halama
Career
Per 9 Inningsverified
113
1.12
Ron Mahay
Careerverified
Per 9 Innings
75
1.19
John Halama
Careerverified
Per 9 Inningsverified
1.12
1.12
Ron Mahay
Career
Per 9 Innings
1.19
1.19
John Halama
Career
Per 9 Innings
0.43
0.43
Ron Mahay
Careerverified
Per 9 Inningsverified
0.15
0.15
John Halama
Career
Per 9 Inningsverified
277
2.74
Ron Mahay
Careerverified
Per 9 Innings
266
4.21
John Halama
Careerverified
Per 9 Inningsverified
18
0.18
Ron Mahay
Career
Per 9 Innings
22
0.35
John Halama
Careerverified
Per 9 Inningsverified
2.74
2.74
Ron Mahay
Career
Per 9 Innings
4.21
4.21
John Halama
Careerverified
Per 9 Innings
492
4.86
Ron Mahay
Career
Per 9 Inningsverified
470
7.45
John Halama
Career
Per 9 Innings
4.86
4.86
Ron Mahay
Careerverified
Per 9 Inningsverified
7.45
7.45
John Halama
Careerverified
Per 9 Inningsverified
1.88
1.88
Ron Mahay
Career
Per 9 Innings
0.91
0.91
John Halama
Career
Per 9 Innings
0.844
0.844
Ron Mahay
Careerverified
Per 9 Inningsverified
1.296
1.296
John Halama
Careerverified
Per 9 Inningsverified
20
0.2
Ron Mahay
Career
Per 9 Innings
28
0.44
John Halama
Career
Per 9 Innings
37
0.37
Ron Mahay
Careerverified
Per 9 Inningsverified
10
0.16
John Halama
Career
Per 9 Innings
7
0.07
Ron Mahay
Careerverified
Per 9 Inningsverified
1
0.02
John Halama
Careerverified
Per 9 Inningsverified
3996
39.48
Ron Mahay
Career
Per 9 Innings
2474
39.2
John Halama
Career
Per 9 Innings
58
0.57
Ron Mahay
Careerverified
Per 9 Inningsverified
100
1.58
John Halama
Career
Per 9 Innings
531
5.25
Ron Mahay
Careerverified
Per 9 Inningsverified
273
4.33
John Halama
Career
Per 9 Innings
5.25
5.25
Ron Mahay
Careerverified
Per 9 Inningsverified
4.33
4.33
John Halama
Career
Per 9 Innings
29
0.29
Ron Mahay
Careerverified
Per 9 Inningsverified
12
0.19
John Halama
Career
Per 9 Innings
34
0.34
Ron Mahay
Careerverified
Per 9 Inningsverified
19
0.3
John Halama
Careerverified
Per 9 Inningsverified
100
0.99
Ron Mahay
Career
Per 9 Innings
41
0.65
John Halama
Career
Per 9 Innings
1.454
1.454
Ron Mahay
Careerverified
Per 9 Inningsverified
1.417
1.417
John Halama
Careerverified
Per 9 Inningsverified
3619
35.75
Ron Mahay
Career
Per 9 Innings
2167
34.34
John Halama
Career
Per 9 Innings
2.03
2.03
Ron Mahay
Careerverified
Per 9 Inningsverified
0.53
0.53
John Halama
Career
Per 9 Innings
0.31
0.31
Ron Mahay
Careerverified
Per 9 Inningsverified
0.286
0.286
John Halama
Careerverified
Per 9 Inningsverified
39.48
39.48
Ron Mahay
Career
Per 9 Innings
39.2
39.2

Fielding Stats for John Halama and Ron Mahay

John Halama
Career
Per 9 Innings
9
9
Ron Mahay
Careerverified
Per 9 Inningsverified
15
15
John Halama
Career
Per 9 Innings
262
2.59
Ron Mahay
Careerverified
Per 9 Inningsverified
519
7.63
John Halama
Careerverified
Per 9 Inningsverified
119
1.18
Ron Mahay
Career
Per 9 Innings
8
0.12
John Halama
Careerverified
Per 9 Innings
2733
27
Ron Mahay
Career
Per 9 Innings
1836
27
John Halama
Careerverified
Per 9 Innings
911
9
Ron Mahay
Career
Per 9 Innings
612
9
John Halama
Careerverified
Per 9 Innings
44
0.43
Ron Mahay
Career
Per 9 Inningsverified
35
0.51
John Halama
Careerverified
Per 9 Inningsverified
158
1.56
Ron Mahay
Career
Per 9 Innings
56
0.82
John Halama
Career
Per 9 Innings
11
0.11
Ron Mahay
Careerverified
Per 9 Inningsverified
7
0.1
John Halama
Careerverified
Per 9 Inningsverified
213
2.1
Ron Mahay
Career
Per 9 Innings
98
1.44
John Halama
Careerverified
Per 9 Inningsverified
202
2
Ron Mahay
Career
Per 9 Innings
91
1.34
John Halama
Careerverified
Per 9 Inningsverified
94.84
94.84
Ron Mahay
Career
Per 9 Innings
92.86
92.86
John Halama
Careerverified
Per 9 Inningsverified
0.771
0.771
Ron Mahay
Career
Per 9 Innings
0.175
0.175
John Halama
Careerverified
Per 9 Inningsverified
45.42
45.42
Ron Mahay
Career
Per 9 Innings
1.54
1.54
John Halama
Careerverified
Per 9 Inningsverified
11
0.11
Ron Mahay
Career
Per 9 Innings
3
0.04
John Halama
Career
Per 9 Innings
0
0
Ron Mahay
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Ron Mahay
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Ron Mahay
Career
Per 9 Innings
0
0
John Halama
Career
Per 9 Innings
0
0
Ron Mahay
Career
Per 9 Innings
0
0

Hitting Stats for John Halama and Ron Mahay

John Halama
Career
Per 600 PA
9
9
Ron Mahay
Careerverified
Per 600 PAverified
15
15
John Halama
Career
Per 600 PA
262
4912.5
Ron Mahay
Careerverified
Per 600 PAverified
520
10400
John Halama
Careerverified
Per 600 PA
32
600
Ron Mahay
Career
Per 600 PA
30
600
John Halama
Career
Per 600 PA
26
487.5
Ron Mahay
Careerverified
Per 600 PAverified
28
560
John Halama
Career
Per 600 PA
0.115
0.115
Ron Mahay
Careerverified
Per 600 PAverified
0.214
0.214
John Halama
Career
Per 600 PA
0.453
0.453
Ron Mahay
Careerverified
Per 600 PAverified
0.7
0.7
John Halama
Career
Per 600 PA
3
56.25
Ron Mahay
Careerverified
Per 600 PAverified
6
120
John Halama
Career
Per 600 PA
2
37.5
Ron Mahay
Career
Per 600 PAverified
2
40
John Halama
Career
Per 600 PA
1
18.75
Ron Mahay
Careerverified
Per 600 PAverified
3
60
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
1
20
John Halama
Career
Per 600 PA
1
18.75
Ron Mahay
Careerverified
Per 600 PAverified
4
80
John Halama
Career
Per 600 PA
0.333
0.333
Ron Mahay
Careerverified
Per 600 PAverified
0.667
0.667
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
0.036
0.036
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
0.167
0.167
John Halama
Career
Per 600 PA
0.77
14.39
Ron Mahay
Careerverified
Per 600 PAverified
3.39
67.89
John Halama
Career
Per 600 PA
4
75
Ron Mahay
Careerverified
Per 600 PAverified
12
240
John Halama
Career
Per 600 PA
6
112.5
Ron Mahay
Careerverified
Per 600 PAverified
8
160
John Halama
Career
Per 600 PA
0.207
0.207
Ron Mahay
Careerverified
Per 600 PAverified
0.267
0.267
John Halama
Career
Per 600 PA
0.154
0.154
Ron Mahay
Careerverified
Per 600 PAverified
0.429
0.429
John Halama
Career
Per 600 PA
0.361
0.361
Ron Mahay
Careerverified
Per 600 PAverified
0.695
0.695
John Halama
Career
Per 600 PA
0.038
0.038
Ron Mahay
Careerverified
Per 600 PAverified
0.214
0.214
John Halama
Career
Per 600 PA
0.132
0.132
Ron Mahay
Careerverified
Per 600 PAverified
0.227
0.227
John Halama
Career
Per 600 PA
0.292
0.292
Ron Mahay
Careerverified
Per 600 PAverified
0.636
0.636
John Halama
Career
Per 600 PA
0.214
0.214
Ron Mahay
Careerverified
Per 600 PAverified
0.263
0.263
John Halama
Career
Per 600 PA
2
37.5
Ron Mahay
Careerverified
Per 600 PAverified
3
60
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
3
60
John Halama
Career
Per 600 PA
2
37.5
Ron Mahay
Careerverified
Per 600 PAverified
5
100
John Halama
Career
Per 600 PA
0.19
3.5
Ron Mahay
Careerverified
Per 600 PAverified
3.09
61.84
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Careerverified
Per 600 PAverified
1
20
John Halama
Careerverified
Per 600 PAverified
3
56.25
Ron Mahay
Career
Per 600 PA
1
20
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
12
225
Ron Mahay
Careerverified
Per 600 PAverified
8
160
John Halama
Career
Per 600 PA
2.67
2.67
Ron Mahay
Careerverified
Per 600 PAverified
3.75
3.75
John Halama
Careerverified
Per 600 PAverified
0.25
0.25
Ron Mahay
Career
Per 600 PA
0.13
0.13
John Halama
Careerverified
Per 600 PAverified
3
56.25
Ron Mahay
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
1
18.75
Ron Mahay
Careerverified
Per 600 PAverified
0
0
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
0
0
Ron Mahay
Career
Per 600 PA
0
0
John Halama
Career
Per 600 PA
Ron Mahay
Career
Per 600 PA