Aaron Laffey vs. Ron Mrozinski — Career Comparison

Aaron Laffey
MillenialMarylandThrows LeftBats LeftNorth AmericaCleveland GuardiansAmerican LeagueStarting Pitcher
Ron Mrozinski
Silent GenerationPennsylvaniaThrows LeftBats RightNorth AmericaPhiladelphia PhilliesNational LeagueRelief Pitcher

Aaron Laffey built a career as a starting pitcher and Ron Mrozinski as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Aaron Laffey posted stronger surface numbers — ERA 4.44 and WHIP 1.535 compared to 5.36 and 1.615 for Ron Mrozinski. By the career numbers, Aaron Laffey had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Aaron Laffey and Ron Mrozinski

Aaron Laffey
Careerverified
Per 9 Inningsverified
8
8
Ron Mrozinski
Career
Per 9 Innings
2
2
Aaron Laffey
Careerverified
Per 9 Innings
156
2.84
Ron Mrozinski
Career
Per 9 Inningsverified
37
4.04
Aaron Laffey
Careerverified
Per 9 Inningsverified
68
1.24
Ron Mrozinski
Career
Per 9 Innings
5
0.55
Aaron Laffey
Careerverified
Per 9 Inningsverified
26
0.47
Ron Mrozinski
Career
Per 9 Innings
1
0.11
Aaron Laffey
Career
Per 9 Innings
29
0.53
Ron Mrozinski
Careerverified
Per 9 Inningsverified
3
0.33
Aaron Laffey
Careerverified
Per 9 Inningsverified
47.27
47.27
Ron Mrozinski
Career
Per 9 Innings
25
25
Aaron Laffey
Careerverified
Per 9 Inningsverified
43.59
43.59
Ron Mrozinski
Career
Per 9 Innings
13.51
13.51
Aaron Laffey
Career
Per 9 Innings
0
0
Ron Mrozinski
Careerverified
Per 9 Inningsverified
1
0.11
Aaron Laffey
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
1
0.02
Ron Mrozinski
Career
Per 9 Inningsverified
1
0.11
Aaron Laffey
Career
Per 9 Inningsverified
244
4.44
Ron Mrozinski
Careerverified
Per 9 Innings
49
5.36
Aaron Laffey
Careerverified
Per 9 Inningsverified
4.44
4.44
Ron Mrozinski
Career
Per 9 Innings
5.36
5.36
Aaron Laffey
Careerverified
Per 9 Inningsverified
5.01
5.01
Ron Mrozinski
Career
Per 9 Innings
5.51
5.51
Aaron Laffey
Careerverified
Per 9 Inningsverified
4.65
4.65
Ron Mrozinski
Career
Per 9 Innings
5.57
5.57
Aaron Laffey
Career
Per 9 Innings
0.286
0.286
Ron Mrozinski
Careerverified
Per 9 Inningsverified
0.27
0.27
Aaron Laffey
Careerverified
Per 9 Innings
1483
27
Ron Mrozinski
Career
Per 9 Innings
247
27
Aaron Laffey
Careerverified
Per 9 Innings
494.1
9
Ron Mrozinski
Career
Per 9 Innings
82.1
9
Aaron Laffey
Career
Per 9 Innings
552
10.05
Ron Mrozinski
Careerverified
Per 9 Inningsverified
87
9.51
Aaron Laffey
Career
Per 9 Innings
10.05
10.05
Ron Mrozinski
Careerverified
Per 9 Inningsverified
9.51
9.51
Aaron Laffey
Career
Per 9 Inningsverified
48
0.87
Ron Mrozinski
Careerverified
Per 9 Innings
12
1.31
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.87
0.87
Ron Mrozinski
Career
Per 9 Innings
1.31
1.31
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.31
0.31
Ron Mrozinski
Career
Per 9 Innings
0.32
0.32
Aaron Laffey
Career
Per 9 Inningsverified
199
3.62
Ron Mrozinski
Careerverified
Per 9 Innings
44
4.81
Aaron Laffey
Career
Per 9 Inningsverified
8
0.15
Ron Mrozinski
Careerverified
Per 9 Innings
2
0.22
Aaron Laffey
Careerverified
Per 9 Inningsverified
3.62
3.62
Ron Mrozinski
Career
Per 9 Innings
4.81
4.81
Aaron Laffey
Careerverified
Per 9 Innings
245
4.46
Ron Mrozinski
Career
Per 9 Inningsverified
44
4.81
Aaron Laffey
Career
Per 9 Innings
4.46
4.46
Ron Mrozinski
Careerverified
Per 9 Inningsverified
4.81
4.81
Aaron Laffey
Careerverified
Per 9 Inningsverified
1.57
1.57
Ron Mrozinski
Career
Per 9 Innings
1.19
1.19
Aaron Laffey
Career
Per 9 Innings
0.898
0.898
Ron Mrozinski
Careerverified
Per 9 Inningsverified
1.069
1.069
Aaron Laffey
Career
Per 9 Innings
13
0.24
Ron Mrozinski
Careerverified
Per 9 Inningsverified
2
0.22
Aaron Laffey
Career
Per 9 Innings
28
0.51
Ron Mrozinski
Careerverified
Per 9 Inningsverified
4
0.44
Aaron Laffey
Career
Per 9 Innings
4
0.07
Ron Mrozinski
Careerverified
Per 9 Inningsverified
0
0
Aaron Laffey
Careerverified
Per 9 Innings
2181
39.71
Ron Mrozinski
Career
Per 9 Inningsverified
370
40.45
Aaron Laffey
Career
Per 9 Innings
13
0.24
Ron Mrozinski
Careerverified
Per 9 Inningsverified
17
1.86
Aaron Laffey
Career
Per 9 Inningsverified
270
4.92
Ron Mrozinski
Careerverified
Per 9 Innings
52
5.68
Aaron Laffey
Careerverified
Per 9 Inningsverified
4.92
4.92
Ron Mrozinski
Career
Per 9 Innings
5.68
5.68
Aaron Laffey
Career
Per 9 Innings
11
0.2
Ron Mrozinski
Careerverified
Per 9 Inningsverified
0
0
Aaron Laffey
Career
Per 9 Innings
13
0.24
Ron Mrozinski
Careerverified
Per 9 Inningsverified
0
0
Aaron Laffey
Careerverified
Per 9 Inningsverified
74
1.35
Ron Mrozinski
Career
Per 9 Innings
0
0
Aaron Laffey
Careerverified
Per 9 Inningsverified
1.519
1.519
Ron Mrozinski
Career
Per 9 Innings
1.591
1.591
Aaron Laffey
Careerverified
Per 9 Innings
1930
35.14
Ron Mrozinski
Career
Per 9 Inningsverified
322
35.2
Aaron Laffey
Career
Per 9 Innings
1.73
1.73
Ron Mrozinski
Careerverified
Per 9 Inningsverified
1.41
1.41
Aaron Laffey
Career
Per 9 Innings
0.308
0.308
Ron Mrozinski
Careerverified
Per 9 Inningsverified
0.282
0.282
Aaron Laffey
Career
Per 9 Innings
39.71
39.71
Ron Mrozinski
Careerverified
Per 9 Inningsverified
40.45
40.45

Fielding Stats for Aaron Laffey and Ron Mrozinski

Aaron Laffey
Careerverified
Per 9 Inningsverified
8
8
Ron Mrozinski
Career
Per 9 Innings
2
2
Aaron Laffey
Careerverified
Per 9 Innings
156
2.84
Ron Mrozinski
Career
Per 9 Inningsverified
37
4.04
Aaron Laffey
Careerverified
Per 9 Inningsverified
68
1.24
Ron Mrozinski
Career
Per 9 Innings
5
0.55
Aaron Laffey
Careerverified
Per 9 Innings
1483
27
Ron Mrozinski
Career
Per 9 Innings
247
27
Aaron Laffey
Careerverified
Per 9 Innings
494.1
9
Ron Mrozinski
Career
Per 9 Innings
82.1
9
Aaron Laffey
Careerverified
Per 9 Inningsverified
28
0.51
Ron Mrozinski
Career
Per 9 Innings
3
0.33
Aaron Laffey
Careerverified
Per 9 Inningsverified
80
1.46
Ron Mrozinski
Career
Per 9 Innings
8
0.87
Aaron Laffey
Career
Per 9 Inningsverified
3
0.05
Ron Mrozinski
Careerverified
Per 9 Innings
1
0.11
Aaron Laffey
Careerverified
Per 9 Inningsverified
111
2.02
Ron Mrozinski
Career
Per 9 Innings
12
1.31
Aaron Laffey
Careerverified
Per 9 Inningsverified
108
1.97
Ron Mrozinski
Career
Per 9 Innings
11
1.2
Aaron Laffey
Careerverified
Per 9 Inningsverified
97.3
97.3
Ron Mrozinski
Career
Per 9 Innings
91.67
91.67
Aaron Laffey
Careerverified
Per 9 Inningsverified
0.692
0.692
Ron Mrozinski
Career
Per 9 Innings
0.297
0.297
Aaron Laffey
Careerverified
Per 9 Inningsverified
43.59
43.59
Ron Mrozinski
Career
Per 9 Innings
13.51
13.51
Aaron Laffey
Careerverified
Per 9 Innings
6
0.11
Ron Mrozinski
Career
Per 9 Inningsverified
3
0.33
Aaron Laffey
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0
Aaron Laffey
Career
Per 9 Innings
0
0
Ron Mrozinski
Career
Per 9 Innings
0
0

Hitting Stats for Aaron Laffey and Ron Mrozinski

Aaron Laffey
Careerverified
Per 600 PAverified
8
8
Ron Mrozinski
Career
Per 600 PA
2
2
Aaron Laffey
Careerverified
Per 600 PAverified
156
10400
Ron Mrozinski
Career
Per 600 PA
37
1233.33
Aaron Laffey
Career
Per 600 PA
9
600
Ron Mrozinski
Careerverified
Per 600 PA
18
600
Aaron Laffey
Career
Per 600 PAverified
9
600
Ron Mrozinski
Careerverified
Per 600 PA
16
533.33
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
Ron Mrozinski
Career
Per 600 PA
0.063
0.063
Aaron Laffey
Careerverified
Per 600 PAverified
0.444
0.444
Ron Mrozinski
Career
Per 600 PA
0.222
0.222
Aaron Laffey
Careerverified
Per 600 PAverified
2
133.33
Ron Mrozinski
Career
Per 600 PA
1
33.33
Aaron Laffey
Careerverified
Per 600 PAverified
2
133.33
Ron Mrozinski
Career
Per 600 PA
1
33.33
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Careerverified
Per 600 PAverified
0.4
26.79
Ron Mrozinski
Career
Per 600 PA
-0.01
-0.23
Aaron Laffey
Careerverified
Per 600 PAverified
2
133.33
Ron Mrozinski
Career
Per 600 PA
1
33.33
Aaron Laffey
Careerverified
Per 600 PAverified
2
133.33
Ron Mrozinski
Career
Per 600 PA
1
33.33
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
Ron Mrozinski
Career
Per 600 PA
0.063
0.063
Aaron Laffey
Careerverified
Per 600 PAverified
0.222
0.222
Ron Mrozinski
Career
Per 600 PA
0.063
0.063
Aaron Laffey
Careerverified
Per 600 PAverified
0.444
0.444
Ron Mrozinski
Career
Per 600 PA
0.125
0.125
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Careerverified
Per 600 PAverified
0.156
0.156
Ron Mrozinski
Career
Per 600 PA
0.044
0.044
Aaron Laffey
Careerverified
Per 600 PAverified
0.286
0.286
Ron Mrozinski
Career
Per 600 PA
0.063
0.063
Aaron Laffey
Careerverified
Per 600 PAverified
0.286
0.286
Ron Mrozinski
Career
Per 600 PA
0.167
0.167
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Careerverified
Per 600 PAverified
0.47
31.45
Ron Mrozinski
Career
Per 600 PA
-1.31
-43.7
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Careerverified
Per 600 PAverified
2
133.33
Ron Mrozinski
Career
Per 600 PA
10
333.33
Aaron Laffey
Careerverified
Per 600 PAverified
4.5
4.5
Ron Mrozinski
Career
Per 600 PA
1.8
1.8
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Careerverified
Per 600 PAverified
2
66.67
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Careerverified
Per 600 PAverified
0
0
Ron Mrozinski
Career
Per 600 PA
1
33.33
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
0
0
Ron Mrozinski
Career
Per 600 PA
0
0
Aaron Laffey
Career
Per 600 PA
Ron Mrozinski
Career
Per 600 PA