Jeremy Affeldt vs. Marty Bystrom — Career Comparison

Jeremy Affeldt
Gen XArizonaThrows LeftBats LeftNorth AmericaSan Francisco GiantsNational LeagueRelief Pitcher
Marty Bystrom
Baby BoomersFloridaThrows RightBats RightNorth AmericaPhiladelphia PhilliesNational LeagueStarting Pitcher

Marty Bystrom 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. Jeremy Affeldt posted stronger surface numbers — ERA 3.97 and WHIP 1.448 compared to 4.26 and 1.428 for Marty Bystrom. By the career numbers, Jeremy Affeldt had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jeremy Affeldt and Marty Bystrom

Jeremy Affeldt
Careerverified
Per 9 Inningsverified
14
14
Marty Bystrom
Career
Per 9 Innings
6
6
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
774
7.52
Marty Bystrom
Career
Per 9 Innings
84
1.74
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Marty Bystrom
Careerverified
Per 9 Inningsverified
79
1.63
Jeremy Affeldt
Careerverified
Per 9 Innings
43
0.42
Marty Bystrom
Career
Per 9 Inningsverified
29
0.6
Jeremy Affeldt
Career
Per 9 Inningsverified
46
0.45
Marty Bystrom
Careerverified
Per 9 Innings
26
0.54
Jeremy Affeldt
Career
Per 9 Innings
48.31
48.31
Marty Bystrom
Careerverified
Per 9 Inningsverified
52.73
52.73
Jeremy Affeldt
Career
Per 9 Innings
5.43
5.43
Marty Bystrom
Careerverified
Per 9 Inningsverified
94.05
94.05
Jeremy Affeldt
Career
Per 9 Innings
0
0
Marty Bystrom
Careerverified
Per 9 Inningsverified
4
0.08
Jeremy Affeldt
Career
Per 9 Innings
0
0
Marty Bystrom
Careerverified
Per 9 Inningsverified
2
0.04
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
28
0.27
Marty Bystrom
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Inningsverified
408
3.97
Marty Bystrom
Careerverified
Per 9 Innings
206
4.26
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
3.97
3.97
Marty Bystrom
Career
Per 9 Innings
4.26
4.26
Jeremy Affeldt
Career
Per 9 Innings
4.02
4.02
Marty Bystrom
Careerverified
Per 9 Inningsverified
4
4
Jeremy Affeldt
Career
Per 9 Innings
3.93
3.93
Marty Bystrom
Careerverified
Per 9 Inningsverified
3.84
3.84
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
0.256
0.256
Marty Bystrom
Career
Per 9 Innings
0.268
0.268
Jeremy Affeldt
Careerverified
Per 9 Innings
2778
27
Marty Bystrom
Career
Per 9 Innings
1305
27
Jeremy Affeldt
Careerverified
Per 9 Innings
926
9
Marty Bystrom
Career
Per 9 Innings
435
9
Jeremy Affeldt
Career
Per 9 Inningsverified
904
8.79
Marty Bystrom
Careerverified
Per 9 Innings
454
9.39
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
8.79
8.79
Marty Bystrom
Career
Per 9 Innings
9.39
9.39
Jeremy Affeldt
Career
Per 9 Innings
76
0.74
Marty Bystrom
Careerverified
Per 9 Inningsverified
28
0.58
Jeremy Affeldt
Career
Per 9 Innings
0.74
0.74
Marty Bystrom
Careerverified
Per 9 Inningsverified
0.58
0.58
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
0.1
0.1
Marty Bystrom
Career
Per 9 Innings
0.33
0.33
Jeremy Affeldt
Career
Per 9 Innings
396
3.85
Marty Bystrom
Careerverified
Per 9 Inningsverified
158
3.27
Jeremy Affeldt
Career
Per 9 Innings
41
0.4
Marty Bystrom
Careerverified
Per 9 Inningsverified
9
0.19
Jeremy Affeldt
Career
Per 9 Innings
3.85
3.85
Marty Bystrom
Careerverified
Per 9 Inningsverified
3.27
3.27
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
720
7
Marty Bystrom
Career
Per 9 Innings
258
5.34
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
7
7
Marty Bystrom
Career
Per 9 Innings
5.34
5.34
Jeremy Affeldt
Career
Per 9 Innings
0.93
0.93
Marty Bystrom
Careerverified
Per 9 Inningsverified
3.07
3.07
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
1.205
1.205
Marty Bystrom
Career
Per 9 Innings
0.956
0.956
Jeremy Affeldt
Career
Per 9 Innings
55
0.53
Marty Bystrom
Careerverified
Per 9 Inningsverified
7
0.14
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Marty Bystrom
Careerverified
Per 9 Inningsverified
15
0.31
Jeremy Affeldt
Career
Per 9 Inningsverified
9
0.09
Marty Bystrom
Careerverified
Per 9 Innings
7
0.14
Jeremy Affeldt
Careerverified
Per 9 Innings
4034
39.21
Marty Bystrom
Career
Per 9 Inningsverified
1898
39.27
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
162
1.57
Marty Bystrom
Career
Per 9 Innings
1
0.02
Jeremy Affeldt
Career
Per 9 Inningsverified
455
4.42
Marty Bystrom
Careerverified
Per 9 Innings
236
4.88
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
4.42
4.42
Marty Bystrom
Career
Per 9 Innings
4.88
4.88
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Marty Bystrom
Careerverified
Per 9 Inningsverified
15
0.31
Jeremy Affeldt
Career
Per 9 Inningsverified
25
0.24
Marty Bystrom
Careerverified
Per 9 Innings
17
0.35
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
102
0.99
Marty Bystrom
Career
Per 9 Innings
32
0.66
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
1.404
1.404
Marty Bystrom
Career
Per 9 Innings
1.407
1.407
Jeremy Affeldt
Careerverified
Per 9 Innings
3529
34.3
Marty Bystrom
Career
Per 9 Inningsverified
1693
35.03
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
0.59
0.59
Marty Bystrom
Career
Per 9 Innings
2.81
2.81
Jeremy Affeldt
Career
Per 9 Innings
0.303
0.303
Marty Bystrom
Career
Per 9 Innings
0.303
0.303
Jeremy Affeldt
Career
Per 9 Innings
39.21
39.21
Marty Bystrom
Careerverified
Per 9 Inningsverified
39.27
39.27

Fielding Stats for Jeremy Affeldt and Marty Bystrom

Jeremy Affeldt
Careerverified
Per 9 Inningsverified
14
14
Marty Bystrom
Career
Per 9 Innings
6
6
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
774
7.52
Marty Bystrom
Career
Per 9 Innings
84
1.74
Jeremy Affeldt
Career
Per 9 Innings
42
0.41
Marty Bystrom
Careerverified
Per 9 Inningsverified
79
1.63
Jeremy Affeldt
Careerverified
Per 9 Innings
2778
27
Marty Bystrom
Career
Per 9 Innings
1305
27
Jeremy Affeldt
Careerverified
Per 9 Innings
926
9
Marty Bystrom
Career
Per 9 Innings
435
9
Jeremy Affeldt
Careerverified
Per 9 Innings
45
0.44
Marty Bystrom
Career
Per 9 Inningsverified
32
0.66
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
184
1.79
Marty Bystrom
Career
Per 9 Innings
58
1.2
Jeremy Affeldt
Career
Per 9 Innings
13
0.13
Marty Bystrom
Careerverified
Per 9 Inningsverified
6
0.12
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
242
2.35
Marty Bystrom
Career
Per 9 Innings
96
1.99
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
229
2.23
Marty Bystrom
Career
Per 9 Innings
90
1.86
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
94.63
94.63
Marty Bystrom
Career
Per 9 Innings
93.75
93.75
Jeremy Affeldt
Career
Per 9 Innings
0.296
0.296
Marty Bystrom
Careerverified
Per 9 Inningsverified
1.071
1.071
Jeremy Affeldt
Career
Per 9 Innings
5.43
5.43
Marty Bystrom
Careerverified
Per 9 Inningsverified
94.05
94.05
Jeremy Affeldt
Careerverified
Per 9 Inningsverified
13
0.13
Marty Bystrom
Career
Per 9 Innings
2
0.04
Jeremy Affeldt
Career
Per 9 Innings
0
0
Marty Bystrom
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Marty Bystrom
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Marty Bystrom
Career
Per 9 Innings
0
0
Jeremy Affeldt
Career
Per 9 Innings
0
0
Marty Bystrom
Career
Per 9 Innings
0
0

Hitting Stats for Jeremy Affeldt and Marty Bystrom

Jeremy Affeldt
Careerverified
Per 600 PAverified
14
14
Marty Bystrom
Career
Per 600 PA
6
6
Jeremy Affeldt
Careerverified
Per 600 PAverified
774
24442.11
Marty Bystrom
Career
Per 600 PA
84
403.2
Jeremy Affeldt
Career
Per 600 PA
19
600
Marty Bystrom
Careerverified
Per 600 PA
125
600
Jeremy Affeldt
Career
Per 600 PA
17
536.84
Marty Bystrom
Careerverified
Per 600 PAverified
112
537.6
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.177
0.177
Marty Bystrom
Career
Per 600 PA
0.161
0.161
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.474
0.474
Marty Bystrom
Career
Per 600 PA
0.429
0.429
Jeremy Affeldt
Career
Per 600 PAverified
3
94.74
Marty Bystrom
Careerverified
Per 600 PA
18
86.4
Jeremy Affeldt
Career
Per 600 PAverified
3
94.74
Marty Bystrom
Careerverified
Per 600 PA
15
72
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Careerverified
Per 600 PAverified
3
14.4
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Careerverified
Per 600 PAverified
3
14.4
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Careerverified
Per 600 PAverified
0.167
0.167
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PAverified
0.85
26.78
Marty Bystrom
Careerverified
Per 600 PA
3.62
17.39
Jeremy Affeldt
Career
Per 600 PA
3
94.74
Marty Bystrom
Careerverified
Per 600 PAverified
21
100.8
Jeremy Affeldt
Career
Per 600 PAverified
5
157.89
Marty Bystrom
Careerverified
Per 600 PA
22
105.6
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.263
0.263
Marty Bystrom
Career
Per 600 PA
0.188
0.188
Jeremy Affeldt
Career
Per 600 PA
0.177
0.177
Marty Bystrom
Careerverified
Per 600 PAverified
0.188
0.188
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.44
0.44
Marty Bystrom
Career
Per 600 PA
0.376
0.376
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Careerverified
Per 600 PAverified
0.027
0.027
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.163
0.163
Marty Bystrom
Career
Per 600 PA
0.132
0.132
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.357
0.357
Marty Bystrom
Career
Per 600 PA
0.26
0.26
Jeremy Affeldt
Career
Per 600 PA
0.273
0.273
Marty Bystrom
Careerverified
Per 600 PAverified
0.295
0.295
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Careerverified
Per 600 PAverified
6
28.8
Jeremy Affeldt
Career
Per 600 PAverified
2
63.16
Marty Bystrom
Careerverified
Per 600 PA
5
24
Jeremy Affeldt
Career
Per 600 PAverified
2
63.16
Marty Bystrom
Careerverified
Per 600 PA
11
52.8
Jeremy Affeldt
Career
Per 600 PAverified
0.98
30.85
Marty Bystrom
Careerverified
Per 600 PA
1.94
9.31
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PAverified
2
63.16
Marty Bystrom
Careerverified
Per 600 PA
4
19.2
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Career
Per 600 PA
0
0
Jeremy Affeldt
Careerverified
Per 600 PAverified
6
189.47
Marty Bystrom
Career
Per 600 PA
52
249.6
Jeremy Affeldt
Careerverified
Per 600 PAverified
3.17
3.17
Marty Bystrom
Career
Per 600 PA
2.4
2.4
Jeremy Affeldt
Careerverified
Per 600 PAverified
0.33
0.33
Marty Bystrom
Career
Per 600 PA
0.08
0.08
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Careerverified
Per 600 PAverified
8
38.4
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Careerverified
Per 600 PAverified
1
4.8
Jeremy Affeldt
Careerverified
Per 600 PAverified
0
0
Marty Bystrom
Career
Per 600 PA
1
4.8
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Career
Per 600 PA
0
0
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Careerverified
Per 600 PAverified
1
4.8
Jeremy Affeldt
Career
Per 600 PA
0
0
Marty Bystrom
Careerverified
Per 600 PAverified
1
4.8
Jeremy Affeldt
Career
Per 600 PA
Marty Bystrom
Career
Per 600 PA
0
0