Terry Leach vs. Art Mahaffey — Career Comparison

Terry Leach
Baby BoomersAlabamaThrows RightBats RightNorth AmericaNew York MetsNational LeagueRelief Pitcher
Art Mahaffey
Silent GenerationOhioThrows RightBats RightNorth AmericaPhiladelphia PhilliesNational LeagueStarting PitcherAll-Star

Art Mahaffey built a career as a starting pitcher and Terry Leach as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Terry Leach led in home run suppression (HR9+ 129 vs 79), walk avoidance (BB%+ 122 vs 94), and run prevention (ERA+ 113 vs 90). Art Mahaffey held the edge in strikeout rate (K%+ 102 vs 78). Role difference aside, Terry Leach holds a clear edge on every meaningful shared measure.

Pitching Stats for Terry Leach and Art Mahaffey

Terry Leach
Careerverified
Per 9 Inningsverified
11
11
Art Mahaffey
Career
Per 9 Innings
7
7
Terry Leach
Careerverified
Per 9 Inningsverified
376
4.83
Art Mahaffey
Career
Per 9 Innings
185
1.67
Terry Leach
Career
Per 9 Innings
21
0.27
Art Mahaffey
Careerverified
Per 9 Inningsverified
148
1.33
Terry Leach
Career
Per 9 Innings
38
0.49
Art Mahaffey
Careerverified
Per 9 Inningsverified
59
0.53
Terry Leach
Careerverified
Per 9 Inningsverified
27
0.35
Art Mahaffey
Career
Per 9 Innings
64
0.58
Terry Leach
Careerverified
Per 9 Inningsverified
58.46
58.46
Art Mahaffey
Career
Per 9 Innings
47.97
47.97
Terry Leach
Career
Per 9 Innings
5.59
5.59
Art Mahaffey
Careerverified
Per 9 Inningsverified
80
80
Terry Leach
Career
Per 9 Innings
3
0.04
Art Mahaffey
Careerverified
Per 9 Inningsverified
46
0.41
Terry Leach
Career
Per 9 Innings
3
0.04
Art Mahaffey
Careerverified
Per 9 Inningsverified
9
0.08
Terry Leach
Careerverified
Per 9 Inningsverified
10
0.13
Art Mahaffey
Career
Per 9 Innings
1
0.01
Terry Leach
Careerverified
Per 9 Inningsverified
245
3.15
Art Mahaffey
Career
Per 9 Innings
463
4.17
Terry Leach
Careerverified
Per 9 Inningsverified
3.15
3.15
Art Mahaffey
Career
Per 9 Innings
4.17
4.17
Terry Leach
Careerverified
Per 9 Inningsverified
3.19
3.19
Art Mahaffey
Career
Per 9 Innings
4.05
4.05
Terry Leach
Careerverified
Per 9 Inningsverified
3.66
3.66
Art Mahaffey
Career
Per 9 Innings
4.57
4.57
Terry Leach
Career
Per 9 Innings
0.259
0.259
Art Mahaffey
Careerverified
Per 9 Inningsverified
0.249
0.249
Terry Leach
Career
Per 9 Innings
2100
27
Art Mahaffey
Careerverified
Per 9 Innings
2997
27
Terry Leach
Career
Per 9 Innings
700
9
Art Mahaffey
Careerverified
Per 9 Innings
999
9
Terry Leach
Careerverified
Per 9 Innings
688
8.85
Art Mahaffey
Career
Per 9 Inningsverified
959
8.64
Terry Leach
Career
Per 9 Innings
8.85
8.85
Art Mahaffey
Careerverified
Per 9 Inningsverified
8.64
8.64
Terry Leach
Careerverified
Per 9 Inningsverified
38
0.49
Art Mahaffey
Career
Per 9 Innings
125
1.13
Terry Leach
Careerverified
Per 9 Inningsverified
0.49
0.49
Art Mahaffey
Career
Per 9 Innings
1.13
1.13
Terry Leach
Careerverified
Per 9 Inningsverified
0.1
0.1
Art Mahaffey
Career
Per 9 Innings
0.68
0.68
Terry Leach
Careerverified
Per 9 Inningsverified
197
2.53
Art Mahaffey
Career
Per 9 Innings
368
3.32
Terry Leach
Career
Per 9 Innings
48
0.62
Art Mahaffey
Careerverified
Per 9 Inningsverified
23
0.21
Terry Leach
Careerverified
Per 9 Inningsverified
2.53
2.53
Art Mahaffey
Career
Per 9 Innings
3.32
3.32
Terry Leach
Career
Per 9 Innings
331
4.26
Art Mahaffey
Careerverified
Per 9 Inningsverified
639
5.76
Terry Leach
Career
Per 9 Innings
4.26
4.26
Art Mahaffey
Careerverified
Per 9 Inningsverified
5.76
5.76
Terry Leach
Career
Per 9 Innings
0.88
0.88
Art Mahaffey
Careerverified
Per 9 Inningsverified
3.45
3.45
Terry Leach
Career
Per 9 Innings
0.754
0.754
Art Mahaffey
Careerverified
Per 9 Inningsverified
1.008
1.008
Terry Leach
Careerverified
Per 9 Inningsverified
3
0.04
Art Mahaffey
Career
Per 9 Innings
37
0.33
Terry Leach
Careerverified
Per 9 Inningsverified
13
0.17
Art Mahaffey
Career
Per 9 Innings
39
0.35
Terry Leach
Careerverified
Per 9 Innings
3
0.04
Art Mahaffey
Career
Per 9 Innings
4
0.04
Terry Leach
Career
Per 9 Innings
2928
37.65
Art Mahaffey
Careerverified
Per 9 Inningsverified
4252
38.31
Terry Leach
Careerverified
Per 9 Inningsverified
138
1.77
Art Mahaffey
Career
Per 9 Innings
10
0.09
Terry Leach
Careerverified
Per 9 Inningsverified
279
3.59
Art Mahaffey
Career
Per 9 Innings
507
4.57
Terry Leach
Careerverified
Per 9 Inningsverified
3.59
3.59
Art Mahaffey
Career
Per 9 Innings
4.57
4.57
Terry Leach
Career
Per 9 Innings
44
0.57
Art Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Terry Leach
Career
Per 9 Innings
18
0.23
Art Mahaffey
Careerverified
Per 9 Inningsverified
0
0
Terry Leach
Careerverified
Per 9 Inningsverified
47
0.6
Art Mahaffey
Career
Per 9 Innings
0
0
Terry Leach
Careerverified
Per 9 Inningsverified
1.264
1.264
Art Mahaffey
Career
Per 9 Innings
1.328
1.328
Terry Leach
Career
Per 9 Innings
2656
34.15
Art Mahaffey
Careerverified
Per 9 Inningsverified
3845
34.64
Terry Leach
Careerverified
Per 9 Inningsverified
0.74
0.74
Art Mahaffey
Career
Per 9 Innings
2.74
2.74
Terry Leach
Career
Per 9 Innings
0.284
0.284
Art Mahaffey
Careerverified
Per 9 Inningsverified
0.271
0.271
Terry Leach
Career
Per 9 Innings
37.65
37.65
Art Mahaffey
Careerverified
Per 9 Inningsverified
38.31
38.31

Fielding Stats for Terry Leach and Art Mahaffey

Terry Leach
Careerverified
Per 9 Inningsverified
11
11
Art Mahaffey
Career
Per 9 Innings
7
7
Terry Leach
Careerverified
Per 9 Inningsverified
376
4.83
Art Mahaffey
Career
Per 9 Innings
185
1.67
Terry Leach
Career
Per 9 Innings
21
0.27
Art Mahaffey
Careerverified
Per 9 Inningsverified
148
1.33
Terry Leach
Career
Per 9 Innings
2100
27
Art Mahaffey
Careerverified
Per 9 Innings
2997
27
Terry Leach
Career
Per 9 Innings
700
9
Art Mahaffey
Careerverified
Per 9 Innings
999
9
Terry Leach
Careerverified
Per 9 Inningsverified
74
0.95
Art Mahaffey
Career
Per 9 Innings
56
0.5
Terry Leach
Careerverified
Per 9 Inningsverified
136
1.75
Art Mahaffey
Career
Per 9 Innings
116
1.05
Terry Leach
Career
Per 9 Innings
9
0.12
Art Mahaffey
Careerverified
Per 9 Inningsverified
5
0.05
Terry Leach
Careerverified
Per 9 Inningsverified
219
2.82
Art Mahaffey
Career
Per 9 Innings
177
1.59
Terry Leach
Careerverified
Per 9 Inningsverified
210
2.7
Art Mahaffey
Career
Per 9 Innings
172
1.55
Terry Leach
Career
Per 9 Innings
95.89
95.89
Art Mahaffey
Careerverified
Per 9 Inningsverified
97.18
97.18
Terry Leach
Career
Per 9 Innings
0.559
0.559
Art Mahaffey
Careerverified
Per 9 Inningsverified
0.93
0.93
Terry Leach
Career
Per 9 Innings
5.59
5.59
Art Mahaffey
Careerverified
Per 9 Inningsverified
80
80
Terry Leach
Careerverified
Per 9 Inningsverified
6
0.08
Art Mahaffey
Career
Per 9 Innings
5
0.05
Terry Leach
Career
Per 9 Innings
0
0
Art Mahaffey
Career
Per 9 Innings
0
0
Terry Leach
Career
Per 9 Innings
0
0
Art Mahaffey
Career
Per 9 Innings
0
0
Terry Leach
Career
Per 9 Innings
0
0
Art Mahaffey
Career
Per 9 Innings
0
0
Terry Leach
Career
Per 9 Innings
0
0
Art Mahaffey
Career
Per 9 Innings
0
0

Hitting Stats for Terry Leach and Art Mahaffey

Terry Leach
Careerverified
Per 600 PAverified
11
11
Art Mahaffey
Career
Per 600 PA
7
7
Terry Leach
Careerverified
Per 600 PAverified
376
2718.07
Art Mahaffey
Career
Per 600 PA
186
310
Terry Leach
Career
Per 600 PA
83
600
Art Mahaffey
Careerverified
Per 600 PA
360
600
Terry Leach
Career
Per 600 PA
72
520.48
Art Mahaffey
Careerverified
Per 600 PAverified
313
521.67
Terry Leach
Career
Per 600 PA
0.097
0.097
Art Mahaffey
Careerverified
Per 600 PAverified
0.134
0.134
Terry Leach
Career
Per 600 PA
0.355
0.355
Art Mahaffey
Careerverified
Per 600 PAverified
0.428
0.428
Terry Leach
Career
Per 600 PA
7
50.6
Art Mahaffey
Careerverified
Per 600 PAverified
42
70
Terry Leach
Career
Per 600 PA
5
36.14
Art Mahaffey
Careerverified
Per 600 PAverified
31
51.67
Terry Leach
Career
Per 600 PAverified
2
14.46
Art Mahaffey
Careerverified
Per 600 PA
7
11.67
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Careerverified
Per 600 PAverified
1
1.67
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Careerverified
Per 600 PAverified
3
5
Terry Leach
Career
Per 600 PA
2
14.46
Art Mahaffey
Careerverified
Per 600 PAverified
11
18.33
Terry Leach
Careerverified
Per 600 PAverified
0.286
0.286
Art Mahaffey
Career
Per 600 PA
0.262
0.262
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Careerverified
Per 600 PAverified
0.01
0.01
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Careerverified
Per 600 PAverified
0.071
0.071
Terry Leach
Career
Per 600 PA
1.57
11.36
Art Mahaffey
Careerverified
Per 600 PAverified
10.34
17.23
Terry Leach
Career
Per 600 PA
9
65.06
Art Mahaffey
Careerverified
Per 600 PAverified
60
100
Terry Leach
Career
Per 600 PAverified
12
86.75
Art Mahaffey
Careerverified
Per 600 PA
52
86.67
Terry Leach
Career
Per 600 PA
0.156
0.156
Art Mahaffey
Careerverified
Per 600 PAverified
0.161
0.161
Terry Leach
Career
Per 600 PA
0.125
0.125
Art Mahaffey
Careerverified
Per 600 PAverified
0.192
0.192
Terry Leach
Career
Per 600 PA
0.281
0.281
Art Mahaffey
Careerverified
Per 600 PAverified
0.352
0.352
Terry Leach
Career
Per 600 PA
0.028
0.028
Art Mahaffey
Careerverified
Per 600 PAverified
0.058
0.058
Terry Leach
Career
Per 600 PA
0.101
0.101
Art Mahaffey
Careerverified
Per 600 PAverified
0.12
0.12
Terry Leach
Career
Per 600 PA
0.215
0.215
Art Mahaffey
Careerverified
Per 600 PAverified
0.252
0.252
Terry Leach
Careerverified
Per 600 PAverified
0.212
0.212
Art Mahaffey
Career
Per 600 PA
0.193
0.193
Terry Leach
Career
Per 600 PAverified
4
28.92
Art Mahaffey
Careerverified
Per 600 PA
17
28.33
Terry Leach
Career
Per 600 PA
3
21.69
Art Mahaffey
Careerverified
Per 600 PAverified
19
31.67
Terry Leach
Career
Per 600 PA
7
50.6
Art Mahaffey
Careerverified
Per 600 PAverified
33
55
Terry Leach
Career
Per 600 PA
-0.77
-5.59
Art Mahaffey
Careerverified
Per 600 PAverified
1.87
3.12
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Careerverified
Per 600 PAverified
2
3.33
Terry Leach
Career
Per 600 PAverified
5
36.14
Art Mahaffey
Careerverified
Per 600 PA
8
13.33
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Career
Per 600 PA
0
0
Terry Leach
Careerverified
Per 600 PA
39
281.93
Art Mahaffey
Career
Per 600 PAverified
109
181.67
Terry Leach
Career
Per 600 PA
2.13
2.13
Art Mahaffey
Careerverified
Per 600 PAverified
3.3
3.3
Terry Leach
Careerverified
Per 600 PAverified
0.13
0.13
Art Mahaffey
Career
Per 600 PA
0.07
0.07
Terry Leach
Career
Per 600 PA
6
43.37
Art Mahaffey
Careerverified
Per 600 PAverified
36
60
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Careerverified
Per 600 PAverified
1
1.67
Terry Leach
Careerverified
Per 600 PAverified
0
0
Art Mahaffey
Career
Per 600 PA
7
11.67
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Career
Per 600 PA
0
0
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Career
Per 600 PA
0
0
Terry Leach
Career
Per 600 PA
0
0
Art Mahaffey
Career
Per 600 PA
0
0
Terry Leach
Career
Per 600 PA
Art Mahaffey
Career
Per 600 PA