Jeremy Affeldt vs. Sam Leever — Career Comparison

Jeremy Affeldt
Gen XArizonaThrows LeftBats LeftNorth AmericaSan Francisco GiantsNational LeagueRelief Pitcher
Sam Leever
Pre-GenerationalOhioThrows RightBats RightNorth AmericaPittsburgh PiratesNational LeagueStarting Pitcher

Sam Leever built a career as a starting pitcher and Jeremy Affeldt as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Sam Leever posted stronger surface numbers — ERA 2.47 and WHIP 1.141 compared to 3.97 and 1.448 for Jeremy Affeldt. By the career numbers, Sam Leever had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jeremy Affeldt and Sam Leever

Jeremy Affeldt
Careerverified
Per 9 Inningsverified
14
14
Sam Leever
Career
Per 9 Innings
13
13
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
774
7.52
Sam Leever
Career
Per 9 Innings
388
1.31
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Sam Leever
Careerverified
Per 9 Inningsverified
299
1.01
Jeremy Affeldt
Career
Per 9 Innings
43
0.42
Sam Leever
Careerverified
Per 9 Inningsverified
194
0.66
Jeremy Affeldt
Careerverified
Per 9 Innings
46
0.45
Sam Leever
Career
Per 9 Inningsverified
100
0.34
Jeremy Affeldt
Career
Per 9 Innings
48.31
48.31
Sam Leever
Careerverified
Per 9 Inningsverified
65.99
65.99
Jeremy Affeldt
Career
Per 9 Innings
5.43
5.43
Sam Leever
Careerverified
Per 9 Inningsverified
77.06
77.06
Jeremy Affeldt
Career
Per 9 Innings
0
0
Sam Leever
Careerverified
Per 9 Inningsverified
241
0.82
Jeremy Affeldt
Career
Per 9 Innings
0
0
Sam Leever
Careerverified
Per 9 Inningsverified
39
0.13
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
28
0.27
Sam Leever
Career
Per 9 Innings
13
0.04
Jeremy Affeldt
Careerverified
Per 9 Innings
408
3.97
Sam Leever
Career
Per 9 Inningsverified
731
2.47
Jeremy Affeldt
Career
Per 9 Innings
3.97
3.97
Sam Leever
Careerverified
Per 9 Inningsverified
2.47
2.47
Jeremy Affeldt
Career
Per 9 Innings
4.02
4.02
Sam Leever
Careerverified
Per 9 Inningsverified
2.6
2.6
Jeremy Affeldt
Career
Per 9 Innings
3.93
3.93
Sam Leever
Careerverified
Per 9 Inningsverified
3.27
3.27
Jeremy Affeldt
Career
Per 9 Innings
0.256
0.256
Sam Leever
Careerverified
Per 9 Inningsverified
0.245
0.245
Jeremy Affeldt
Career
Per 9 Innings
2778
27
Sam Leever
Careerverified
Per 9 Innings
7982
27
Jeremy Affeldt
Career
Per 9 Innings
926
9
Sam Leever
Careerverified
Per 9 Innings
2660.2
9
Jeremy Affeldt
Careerverified
Per 9 Innings
904
8.79
Sam Leever
Career
Per 9 Inningsverified
2449
8.28
Jeremy Affeldt
Career
Per 9 Innings
8.79
8.79
Sam Leever
Careerverified
Per 9 Inningsverified
8.28
8.28
Jeremy Affeldt
Career
Per 9 Innings
76
0.74
Sam Leever
Careerverified
Per 9 Inningsverified
29
0.1
Jeremy Affeldt
Career
Per 9 Innings
0.74
0.74
Sam Leever
Careerverified
Per 9 Inningsverified
0.1
0.1
Jeremy Affeldt
Career
Per 9 Innings
0.1
0.1
Sam Leever
Careerverified
Per 9 Inningsverified
0.07
0.07
Jeremy Affeldt
Careerverified
Per 9 Innings
396
3.85
Sam Leever
Career
Per 9 Inningsverified
587
1.99
Jeremy Affeldt
Career
Per 9 Innings
41
0.4
Sam Leever
Careerverified
Per 9 Inningsverified
0
0
Jeremy Affeldt
Career
Per 9 Innings
3.85
3.85
Sam Leever
Careerverified
Per 9 Inningsverified
1.99
1.99
Jeremy Affeldt
Career
Per 9 Inningsverified
720
7
Sam Leever
Careerverified
Per 9 Innings
847
2.87
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
7
7
Sam Leever
Career
Per 9 Innings
2.87
2.87
Jeremy Affeldt
Career
Per 9 Innings
0.93
0.93
Sam Leever
Careerverified
Per 9 Inningsverified
2.18
2.18
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
1.205
1.205
Sam Leever
Career
Per 9 Innings
0.539
0.539
Jeremy Affeldt
Career
Per 9 Innings
55
0.53
Sam Leever
Careerverified
Per 9 Inningsverified
46
0.16
Jeremy Affeldt
Careerverified
Per 9 Innings
42
0.41
Sam Leever
Career
Per 9 Inningsverified
88
0.3
Jeremy Affeldt
Career
Per 9 Innings
9
0.09
Sam Leever
Careerverified
Per 9 Inningsverified
4
0.01
Jeremy Affeldt
Career
Per 9 Inningsverified
4034
39.21
Sam Leever
Careerverified
Per 9 Innings
10662
36.07
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
162
1.57
Sam Leever
Career
Per 9 Innings
75
0.25
Jeremy Affeldt
Careerverified
Per 9 Innings
455
4.42
Sam Leever
Career
Per 9 Inningsverified
1023
3.46
Jeremy Affeldt
Career
Per 9 Innings
4.42
4.42
Sam Leever
Careerverified
Per 9 Inningsverified
3.46
3.46
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Sam Leever
Careerverified
Per 9 Inningsverified
0
0
Jeremy Affeldt
Career
Per 9 Innings
25
0.24
Sam Leever
Careerverified
Per 9 Inningsverified
0
0
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
102
0.99
Sam Leever
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
1.404
1.404
Sam Leever
Careerverified
Per 9 Inningsverified
1.141
1.141
Jeremy Affeldt
Career
Per 9 Inningsverified
3529
34.3
Sam Leever
Careerverified
Per 9 Innings
9987
33.78
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
0.59
0.59
Sam Leever
Career
Per 9 Innings
2.64
2.64
Jeremy Affeldt
Career
Per 9 Innings
0.303
0.303
Sam Leever
Careerverified
Per 9 Inningsverified
0.266
0.266
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
39.21
39.21
Sam Leever
Career
Per 9 Innings
36.07
36.07

Fielding Stats for Jeremy Affeldt and Sam Leever

Jeremy Affeldt
Careerverified
Per 9 Inningsverified
14
14
Sam Leever
Career
Per 9 Innings
13
13
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
774
7.52
Sam Leever
Career
Per 9 Innings
389
1.31
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Sam Leever
Careerverified
Per 9 Inningsverified
148
0.5
Jeremy Affeldt
Career
Per 9 Innings
2778
27
Sam Leever
Careerverified
Per 9 Innings
7998
27
Jeremy Affeldt
Career
Per 9 Innings
926
9
Sam Leever
Careerverified
Per 9 Innings
2666
9
Jeremy Affeldt
Career
Per 9 Inningsverified
45
0.44
Sam Leever
Careerverified
Per 9 Innings
84
0.28
Jeremy Affeldt
Career
Per 9 Innings
184
1.79
Sam Leever
Careerverified
Per 9 Inningsverified
659
2.22
Jeremy Affeldt
Careerverified
Per 9 Innings
13
0.13
Sam Leever
Career
Per 9 Inningsverified
34
0.11
Jeremy Affeldt
Career
Per 9 Innings
242
2.35
Sam Leever
Careerverified
Per 9 Inningsverified
777
2.62
Jeremy Affeldt
Career
Per 9 Innings
229
2.23
Sam Leever
Careerverified
Per 9 Inningsverified
743
2.51
Jeremy Affeldt
Career
Per 9 Innings
94.63
94.63
Sam Leever
Careerverified
Per 9 Inningsverified
95.62
95.62
Jeremy Affeldt
Career
Per 9 Innings
0.296
0.296
Sam Leever
Careerverified
Per 9 Inningsverified
1.91
1.91
Jeremy Affeldt
Career
Per 9 Innings
5.43
5.43
Sam Leever
Careerverified
Per 9 Inningsverified
38.05
38.05
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
13
0.13
Sam Leever
Career
Per 9 Innings
11
0.04
Jeremy Affeldt
Career
Per 9 Innings
0
0
Sam Leever
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Sam Leever
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Sam Leever
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Sam Leever
Career
Per 9 Innings
0
0

Hitting Stats for Jeremy Affeldt and Sam Leever

Jeremy Affeldt
Careerverified
Per 600 PAverified
14
14
Sam Leever
Career
Per 600 PA
13
13
Jeremy Affeldt
Careerverified
Per 600 PAverified
774
24442.11
Sam Leever
Career
Per 600 PA
389
217.32
Jeremy Affeldt
Career
Per 600 PA
19
600
Sam Leever
Careerverified
Per 600 PA
1074
600
Jeremy Affeldt
Career
Per 600 PA
17
536.84
Sam Leever
Careerverified
Per 600 PAverified
993
554.75
Jeremy Affeldt
Career
Per 600 PA
0.177
0.177
Sam Leever
Careerverified
Per 600 PAverified
0.184
0.184
Jeremy Affeldt
Career
Per 600 PA
0.474
0.474
Sam Leever
Careerverified
Per 600 PAverified
0.493
0.493
Jeremy Affeldt
Career
Per 600 PA
3
94.74
Sam Leever
Careerverified
Per 600 PAverified
183
102.23
Jeremy Affeldt
Career
Per 600 PAverified
3
94.74
Sam Leever
Careerverified
Per 600 PA
150
83.8
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
17
9.5
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
14
7.82
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
2
1.12
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
33
18.44
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
0.18
0.18
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
0.002
0.002
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
0.011
0.011
Jeremy Affeldt
Career
Per 600 PA
0.85
26.78
Sam Leever
Careerverified
Per 600 PAverified
56.71
31.68
Jeremy Affeldt
Career
Per 600 PA
3
94.74
Sam Leever
Careerverified
Per 600 PAverified
234
130.73
Jeremy Affeldt
Career
Per 600 PAverified
5
157.89
Sam Leever
Careerverified
Per 600 PA
239
133.52
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.263
0.263
Sam Leever
Career
Per 600 PA
0.228
0.228
Jeremy Affeldt
Career
Per 600 PA
0.177
0.177
Sam Leever
Careerverified
Per 600 PAverified
0.236
0.236
Jeremy Affeldt
Career
Per 600 PA
0.44
0.44
Sam Leever
Careerverified
Per 600 PAverified
0.463
0.463
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
0.051
0.051
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.163
0.163
Sam Leever
Career
Per 600 PA
0.161
0.161
Jeremy Affeldt
Career
Per 600 PA
0.357
0.357
Sam Leever
Careerverified
Per 600 PAverified
0.363
0.363
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.273
0.273
Sam Leever
Career
Per 600 PA
0.212
0.212
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
90
50.28
Jeremy Affeldt
Career
Per 600 PAverified
2
63.16
Sam Leever
Careerverified
Per 600 PA
78
43.58
Jeremy Affeldt
Career
Per 600 PA
2
63.16
Sam Leever
Careerverified
Per 600 PAverified
166
92.74
Jeremy Affeldt
Career
Per 600 PA
0.98
30.85
Sam Leever
Careerverified
Per 600 PAverified
57.05
31.87
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
7
3.91
Jeremy Affeldt
Career
Per 600 PAverified
2
63.16
Sam Leever
Careerverified
Per 600 PA
49
27.37
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Career
Per 600 PA
0
0
Jeremy Affeldt
Careerverified
Per 600 PA
6
189.47
Sam Leever
Career
Per 600 PAverified
138
77.09
Jeremy Affeldt
Career
Per 600 PA
3.17
3.17
Sam Leever
Careerverified
Per 600 PAverified
7.78
7.78
Jeremy Affeldt
Career
Per 600 PA
0.33
0.33
Sam Leever
Careerverified
Per 600 PAverified
0.36
0.36
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
25
13.97
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
4
2.23
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Sam Leever
Careerverified
Per 600 PAverified
4
2.23
Jeremy Affeldt
Career
Per 600 PA
Sam Leever
Careerverified
Per 600 PAverified
100
100