Lou Mahaffey vs. Jim Merritt — Career Comparison

Lou Mahaffey
Pre-GenerationalKentuckyThrows RightBats RightNorth AmericaLouisville ColonelsNational LeagueRelief Pitcher
Jim Merritt
Silent GenerationCaliforniaThrows LeftBats LeftNorth AmericaMinnesota TwinsAmerican LeagueStarting PitcherAll-Star

Jim Merritt built a career as a starting pitcher and Lou Mahaffey as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Lou Mahaffey posted stronger surface numbers — ERA 3 and WHIP 1.667 compared to 3.65 and 1.237 for Jim Merritt. By the career numbers, Lou Mahaffey had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Lou Mahaffey and Jim Merritt

Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
11
11
Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
297
1.8
Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
192
1.17
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
81
0.49
Lou Mahaffey
Careerverified
Per 9 Innings
1
1
Jim Merritt
Career
Per 9 Inningsverified
86
0.52
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
48.5
48.5
Lou Mahaffey
Careerverified
Per 9 Inningsverified
100
100
Jim Merritt
Career
Per 9 Innings
64.65
64.65
Lou Mahaffey
Career
Per 9 Inningsverified
1
1
Jim Merritt
Careerverified
Per 9 Innings
56
0.34
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
9
0.05
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
7
0.04
Lou Mahaffey
Careerverified
Per 9 Inningsverified
3
3
Jim Merritt
Career
Per 9 Innings
602
3.65
Lou Mahaffey
Careerverified
Per 9 Inningsverified
3
3
Jim Merritt
Career
Per 9 Innings
3.65
3.65
Lou Mahaffey
Career
Per 9 Innings
4.55
4.55
Jim Merritt
Careerverified
Per 9 Inningsverified
3.37
3.37
Lou Mahaffey
Career
Per 9 Innings
4.44
4.44
Jim Merritt
Careerverified
Per 9 Inningsverified
3.85
3.85
Lou Mahaffey
Career
Per 9 Innings
0.278
0.278
Jim Merritt
Careerverified
Per 9 Inningsverified
0.254
0.254
Lou Mahaffey
Career
Per 9 Innings
27
27
Jim Merritt
Careerverified
Per 9 Innings
4449
27
Lou Mahaffey
Career
Per 9 Innings
9
9
Jim Merritt
Careerverified
Per 9 Innings
1483
9
Lou Mahaffey
Careerverified
Per 9 Innings
10
10
Jim Merritt
Career
Per 9 Inningsverified
1468
8.91
Lou Mahaffey
Career
Per 9 Innings
10
10
Jim Merritt
Careerverified
Per 9 Inningsverified
8.91
8.91
Lou Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Jim Merritt
Career
Per 9 Innings
160
0.97
Lou Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Jim Merritt
Career
Per 9 Innings
0.97
0.97
Lou Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Jim Merritt
Career
Per 9 Innings
0.54
0.54
Lou Mahaffey
Careerverified
Per 9 Innings
5
5
Jim Merritt
Career
Per 9 Inningsverified
322
1.95
Lou Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Jim Merritt
Career
Per 9 Innings
45
0.27
Lou Mahaffey
Career
Per 9 Innings
5
5
Jim Merritt
Careerverified
Per 9 Inningsverified
1.95
1.95
Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
932
5.66
Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
5.66
5.66
Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
3.14
3.14
Lou Mahaffey
Career
Per 9 Innings
0.667
0.667
Jim Merritt
Careerverified
Per 9 Inningsverified
0.846
0.846
Lou Mahaffey
Careerverified
Per 9 Innings
1
1
Jim Merritt
Career
Per 9 Inningsverified
32
0.19
Lou Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Jim Merritt
Career
Per 9 Innings
25
0.15
Lou Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Jim Merritt
Career
Per 9 Innings
1
0.01
Lou Mahaffey
Career
Per 9 Inningsverified
41
41
Jim Merritt
Careerverified
Per 9 Innings
6168
37.43
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
48
0.29
Lou Mahaffey
Careerverified
Per 9 Innings
9
9
Jim Merritt
Career
Per 9 Inningsverified
657
3.99
Lou Mahaffey
Career
Per 9 Innings
9
9
Jim Merritt
Careerverified
Per 9 Inningsverified
3.99
3.99
Lou Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Jim Merritt
Career
Per 9 Innings
20
0.12
Lou Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Jim Merritt
Career
Per 9 Innings
19
0.12
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
17
0.1
Lou Mahaffey
Career
Per 9 Innings
1.667
1.667
Jim Merritt
Careerverified
Per 9 Inningsverified
1.207
1.207
Lou Mahaffey
Career
Per 9 Inningsverified
36
36
Jim Merritt
Careerverified
Per 9 Innings
5782
35.09
Lou Mahaffey
Career
Per 9 Innings
9
9
Jim Merritt
Careerverified
Per 9 Inningsverified
2.21
2.21
Lou Mahaffey
Career
Per 9 Innings
0.286
0.286
Jim Merritt
Careerverified
Per 9 Inningsverified
0.279
0.279
Lou Mahaffey
Careerverified
Per 9 Inningsverified
41
41
Jim Merritt
Career
Per 9 Innings
37.43
37.43

Fielding Stats for Lou Mahaffey and Jim Merritt

Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
11
11
Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
297
1.8
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
192
1.17
Lou Mahaffey
Career
Per 9 Innings
27
27
Jim Merritt
Careerverified
Per 9 Innings
4449
27
Lou Mahaffey
Career
Per 9 Innings
9
9
Jim Merritt
Careerverified
Per 9 Innings
1483
9
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
45
0.27
Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
203
1.23
Lou Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Jim Merritt
Career
Per 9 Innings
13
0.08
Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
261
1.58
Lou Mahaffey
Career
Per 9 Innings
1
1
Jim Merritt
Careerverified
Per 9 Inningsverified
248
1.51
Lou Mahaffey
Careerverified
Per 9 Inningsverified
100
100
Jim Merritt
Career
Per 9 Innings
95.02
95.02
Lou Mahaffey
Careerverified
Per 9 Inningsverified
1
1
Jim Merritt
Career
Per 9 Innings
0.835
0.835
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
64.65
64.65
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Careerverified
Per 9 Inningsverified
8
0.05
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Career
Per 9 Innings
0
0
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Career
Per 9 Innings
0
0
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Career
Per 9 Innings
0
0
Lou Mahaffey
Career
Per 9 Innings
0
0
Jim Merritt
Career
Per 9 Innings
0
0

Hitting Stats for Lou Mahaffey and Jim Merritt

Lou Mahaffey
Career
Per 600 PA
1
1
Jim Merritt
Careerverified
Per 600 PAverified
11
11
Lou Mahaffey
Career
Per 600 PA
1
120
Jim Merritt
Careerverified
Per 600 PAverified
298
387.01
Lou Mahaffey
Career
Per 600 PA
5
600
Jim Merritt
Careerverified
Per 600 PA
462
600
Lou Mahaffey
Career
Per 600 PA
4
480
Jim Merritt
Careerverified
Per 600 PAverified
397
515.58
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
0.141
0.141
Lou Mahaffey
Career
Per 600 PA
0.3
0.3
Jim Merritt
Careerverified
Per 600 PAverified
0.461
0.461
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
56
72.73
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
43
55.84
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
8
10.39
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
1
1.3
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
4
5.19
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
13
16.88
Lou Mahaffey
Career
Per 600 PA
Jim Merritt
Careerverified
Per 600 PAverified
0.232
0.232
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
0.01
0.01
Lou Mahaffey
Career
Per 600 PA
Jim Merritt
Careerverified
Per 600 PAverified
0.071
0.071
Lou Mahaffey
Career
Per 600 PA
0.03
3.21
Jim Merritt
Careerverified
Per 600 PAverified
16.76
21.76
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
78
101.3
Lou Mahaffey
Career
Per 600 PAverified
1
120
Jim Merritt
Careerverified
Per 600 PA
85
110.39
Lou Mahaffey
Careerverified
Per 600 PAverified
0.2
0.2
Jim Merritt
Career
Per 600 PA
0.198
0.198
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
0.197
0.197
Lou Mahaffey
Career
Per 600 PA
0.2
0.2
Jim Merritt
Careerverified
Per 600 PAverified
0.395
0.395
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
0.055
0.055
Lou Mahaffey
Career
Per 600 PA
0.09
0.09
Jim Merritt
Careerverified
Per 600 PAverified
0.138
0.138
Lou Mahaffey
Career
Per 600 PA
0.25
0.25
Jim Merritt
Careerverified
Per 600 PAverified
0.307
0.307
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
0.239
0.239
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
21
27.27
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
20
25.97
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
37
48.05
Lou Mahaffey
Career
Per 600 PA
-0.09
-11.33
Jim Merritt
Careerverified
Per 600 PAverified
9.19
11.93
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
1
1.3
Lou Mahaffey
Career
Per 600 PAverified
1
120
Jim Merritt
Careerverified
Per 600 PA
28
36.36
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Career
Per 600 PA
0
0
Lou Mahaffey
Careerverified
Per 600 PAverified
1
120
Jim Merritt
Career
Per 600 PA
178
231.17
Lou Mahaffey
Careerverified
Per 600 PAverified
5
5
Jim Merritt
Career
Per 600 PA
2.6
2.6
Lou Mahaffey
Careerverified
Per 600 PAverified
1
1
Jim Merritt
Career
Per 600 PA
0.16
0.16
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
33
42.86
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
3
3.9
Lou Mahaffey
Careerverified
Per 600 PAverified
0
0
Jim Merritt
Career
Per 600 PA
7
9.09
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Career
Per 600 PA
0
0
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
1
1.3
Lou Mahaffey
Career
Per 600 PA
0
0
Jim Merritt
Careerverified
Per 600 PAverified
1
1.3
Lou Mahaffey
Career
Per 600 PA
Jim Merritt
Career
Per 600 PA
0
0