Jon Lester vs. Jim Peterson — Career Comparison

Jon Lester
MillenialWashingtonThrows LeftBats LeftNorth AmericaBoston Red SoxAmerican LeagueStarting PitcherAll-Star
Jim Peterson
Greatest GenerationPennsylvaniaThrows RightBats RightNorth AmericaPhiladelphia AthleticsAmerican LeagueRelief Pitcher

Jon Lester built a career as a starting pitcher and Jim Peterson as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jon Lester posted stronger surface numbers — ERA 3.66 and WHIP 1.283 compared to 5.27 and 1.665 for Jim Peterson. By the career numbers, Jon Lester had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jon Lester and Jim Peterson

Jon Lester
Careerverified
Per 9 Inningsverified
16
16
Jim Peterson
Career
Per 9 Innings
3
3
Jon Lester
Careerverified
Per 9 Innings
452
1.48
Jim Peterson
Career
Per 9 Inningsverified
41
3.38
Jon Lester
Careerverified
Per 9 Inningsverified
451
1.48
Jim Peterson
Career
Per 9 Innings
6
0.49
Jon Lester
Careerverified
Per 9 Inningsverified
200
0.66
Jim Peterson
Career
Per 9 Innings
2
0.16
Jon Lester
Career
Per 9 Inningsverified
117
0.38
Jim Peterson
Careerverified
Per 9 Innings
6
0.49
Jon Lester
Careerverified
Per 9 Inningsverified
63.09
63.09
Jim Peterson
Career
Per 9 Innings
25
25
Jon Lester
Careerverified
Per 9 Inningsverified
99.78
99.78
Jim Peterson
Career
Per 9 Innings
14.63
14.63
Jon Lester
Careerverified
Per 9 Innings
15
0.05
Jim Peterson
Career
Per 9 Inningsverified
1
0.08
Jon Lester
Careerverified
Per 9 Inningsverified
4
0.01
Jim Peterson
Career
Per 9 Innings
0
0
Jon Lester
Career
Per 9 Innings
0
0
Jim Peterson
Career
Per 9 Innings
0
0
Jon Lester
Career
Per 9 Inningsverified
1114
3.66
Jim Peterson
Careerverified
Per 9 Innings
64
5.27
Jon Lester
Careerverified
Per 9 Inningsverified
3.66
3.66
Jim Peterson
Career
Per 9 Innings
5.27
5.27
Jon Lester
Careerverified
Per 9 Inningsverified
3.73
3.73
Jim Peterson
Career
Per 9 Innings
5.39
5.39
Jon Lester
Careerverified
Per 9 Inningsverified
3.65
3.65
Jim Peterson
Career
Per 9 Innings
4.69
4.69
Jon Lester
Careerverified
Per 9 Inningsverified
0.252
0.252
Jim Peterson
Career
Per 9 Innings
0.3
0.3
Jon Lester
Careerverified
Per 9 Innings
8220
27
Jim Peterson
Career
Per 9 Innings
328
27
Jon Lester
Careerverified
Per 9 Innings
2740
9
Jim Peterson
Career
Per 9 Innings
109.1
9
Jon Lester
Career
Per 9 Inningsverified
2610
8.57
Jim Peterson
Careerverified
Per 9 Innings
140
11.52
Jon Lester
Careerverified
Per 9 Inningsverified
8.57
8.57
Jim Peterson
Career
Per 9 Innings
11.52
11.52
Jon Lester
Career
Per 9 Innings
294
0.97
Jim Peterson
Careerverified
Per 9 Inningsverified
9
0.74
Jon Lester
Career
Per 9 Innings
0.97
0.97
Jim Peterson
Careerverified
Per 9 Inningsverified
0.74
0.74
Jon Lester
Career
Per 9 Innings
0.65
0.65
Jim Peterson
Careerverified
Per 9 Inningsverified
0.22
0.22
Jon Lester
Career
Per 9 Inningsverified
892
2.93
Jim Peterson
Careerverified
Per 9 Innings
42
3.46
Jon Lester
Career
Per 9 Innings
13
0.04
Jim Peterson
Careerverified
Per 9 Inningsverified
0
0
Jon Lester
Careerverified
Per 9 Inningsverified
2.93
2.93
Jim Peterson
Career
Per 9 Innings
3.46
3.46
Jon Lester
Careerverified
Per 9 Inningsverified
2488
8.17
Jim Peterson
Career
Per 9 Innings
29
2.39
Jon Lester
Careerverified
Per 9 Inningsverified
8.17
8.17
Jim Peterson
Career
Per 9 Innings
2.39
2.39
Jon Lester
Careerverified
Per 9 Inningsverified
5.5
5.5
Jim Peterson
Career
Per 9 Innings
0.71
0.71
Jon Lester
Careerverified
Per 9 Inningsverified
1.234
1.234
Jim Peterson
Career
Per 9 Innings
0.649
0.649
Jon Lester
Career
Per 9 Inningsverified
63
0.21
Jim Peterson
Careerverified
Per 9 Innings
4
0.33
Jon Lester
Career
Per 9 Innings
90
0.3
Jim Peterson
Careerverified
Per 9 Inningsverified
0
0
Jon Lester
Career
Per 9 Inningsverified
1
0
Jim Peterson
Career
Per 9 Innings
1
0.08
Jon Lester
Careerverified
Per 9 Innings
11487
37.73
Jim Peterson
Career
Per 9 Inningsverified
508
41.82
Jon Lester
Career
Per 9 Innings
0
0
Jim Peterson
Careerverified
Per 9 Inningsverified
17
1.4
Jon Lester
Career
Per 9 Inningsverified
1215
3.99
Jim Peterson
Careerverified
Per 9 Innings
80
6.59
Jon Lester
Careerverified
Per 9 Inningsverified
3.99
3.99
Jim Peterson
Career
Per 9 Innings
6.59
6.59
Jon Lester
Career
Per 9 Innings
61
0.2
Jim Peterson
Careerverified
Per 9 Inningsverified
0
0
Jon Lester
Career
Per 9 Innings
67
0.22
Jim Peterson
Careerverified
Per 9 Inningsverified
0
0
Jon Lester
Careerverified
Per 9 Inningsverified
250
0.82
Jim Peterson
Career
Per 9 Innings
0
0
Jon Lester
Careerverified
Per 9 Inningsverified
1.278
1.278
Jim Peterson
Career
Per 9 Innings
1.665
1.665
Jon Lester
Careerverified
Per 9 Innings
10377
34.09
Jim Peterson
Career
Per 9 Inningsverified
466
38.36
Jon Lester
Career
Per 9 Innings
2.69
2.69
Jim Peterson
Careerverified
Per 9 Inningsverified
1.95
1.95
Jon Lester
Careerverified
Per 9 Inningsverified
0.305
0.305
Jim Peterson
Career
Per 9 Innings
0.306
0.306
Jon Lester
Career
Per 9 Innings
37.73
37.73
Jim Peterson
Careerverified
Per 9 Inningsverified
41.82
41.82

Fielding Stats for Jon Lester and Jim Peterson

Jon Lester
Careerverified
Per 9 Inningsverified
16
16
Jim Peterson
Career
Per 9 Innings
3
Jon Lester
Careerverified
Per 9 Inningsverified
452
1.48
Jim Peterson
Career
Per 9 Innings
41
Jon Lester
Careerverified
Per 9 Inningsverified
451
1.48
Jim Peterson
Career
Per 9 Innings
0
Jon Lester
Careerverified
Per 9 Inningsverified
8220
27
Jim Peterson
Career
Per 9 Innings
0
Jon Lester
Careerverified
Per 9 Inningsverified
2740
9
Jim Peterson
Career
Per 9 Innings
0
Jon Lester
Careerverified
Per 9 Inningsverified
147
0.48
Jim Peterson
Career
Per 9 Innings
6
Jon Lester
Careerverified
Per 9 Inningsverified
266
0.87
Jim Peterson
Career
Per 9 Innings
37
Jon Lester
Career
Per 9 Innings
20
0.07
Jim Peterson
Careerverified
Per 9 Inningsverified
0
Jon Lester
Careerverified
Per 9 Inningsverified
433
1.42
Jim Peterson
Career
Per 9 Innings
43
Jon Lester
Careerverified
Per 9 Inningsverified
413
1.36
Jim Peterson
Career
Per 9 Innings
43
Jon Lester
Career
Per 9 Inningsverified
95.38
95.38
Jim Peterson
Careerverified
Per 9 Innings
100
Jon Lester
Career
Per 9 Inningsverified
0.914
0.914
Jim Peterson
Careerverified
Per 9 Innings
1.049
Jon Lester
Careerverified
Per 9 Inningsverified
99.78
99.78
Jim Peterson
Career
Per 9 Innings
0
Jon Lester
Careerverified
Per 9 Inningsverified
18
0.06
Jim Peterson
Career
Per 9 Innings
0
Jon Lester
Career
Per 9 Innings
0
0
Jim Peterson
Career
Per 9 Innings
0
Jon Lester
Career
Per 9 Innings
0
0
Jim Peterson
Career
Per 9 Innings
0
Jon Lester
Career
Per 9 Innings
0
0
Jim Peterson
Career
Per 9 Innings
0
Jon Lester
Career
Per 9 Innings
0
0
Jim Peterson
Career
Per 9 Innings
0

Hitting Stats for Jon Lester and Jim Peterson

Jon Lester
Careerverified
Per 600 PAverified
16
16
Jim Peterson
Career
Per 600 PA
3
3
Jon Lester
Careerverified
Per 600 PA
458
649.65
Jim Peterson
Career
Per 600 PAverified
41
745.45
Jon Lester
Careerverified
Per 600 PA
423
600
Jim Peterson
Career
Per 600 PA
33
600
Jon Lester
Careerverified
Per 600 PA
366
519.15
Jim Peterson
Career
Per 600 PAverified
29
527.27
Jon Lester
Career
Per 600 PA
0.115
0.115
Jim Peterson
Careerverified
Per 600 PAverified
0.172
0.172
Jon Lester
Career
Per 600 PA
0.412
0.412
Jim Peterson
Careerverified
Per 600 PAverified
0.515
0.515
Jon Lester
Careerverified
Per 600 PA
42
59.57
Jim Peterson
Career
Per 600 PAverified
5
90.91
Jon Lester
Careerverified
Per 600 PA
28
39.72
Jim Peterson
Career
Per 600 PAverified
4
72.73
Jon Lester
Careerverified
Per 600 PA
10
14.18
Jim Peterson
Career
Per 600 PAverified
1
18.18
Jon Lester
Career
Per 600 PA
0
0
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Careerverified
Per 600 PAverified
4
5.67
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Careerverified
Per 600 PAverified
14
19.86
Jim Peterson
Career
Per 600 PA
1
18.18
Jon Lester
Careerverified
Per 600 PAverified
0.333
0.333
Jim Peterson
Career
Per 600 PA
0.2
0.2
Jon Lester
Careerverified
Per 600 PAverified
0.011
0.011
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Careerverified
Per 600 PAverified
0.095
0.095
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Careerverified
Per 600 PA
12.43
17.63
Jim Peterson
Career
Per 600 PAverified
1.89
34.36
Jon Lester
Careerverified
Per 600 PA
64
90.78
Jim Peterson
Career
Per 600 PAverified
6
109.09
Jon Lester
Careerverified
Per 600 PA
63
89.36
Jim Peterson
Career
Per 600 PAverified
9
163.64
Jon Lester
Career
Per 600 PA
0.162
0.162
Jim Peterson
Careerverified
Per 600 PAverified
0.273
0.273
Jon Lester
Career
Per 600 PA
0.175
0.175
Jim Peterson
Careerverified
Per 600 PAverified
0.207
0.207
Jon Lester
Career
Per 600 PA
0.337
0.337
Jim Peterson
Careerverified
Per 600 PAverified
0.48
0.48
Jon Lester
Careerverified
Per 600 PAverified
0.06
0.06
Jim Peterson
Career
Per 600 PA
0.035
0.035
Jon Lester
Career
Per 600 PA
0.117
0.117
Jim Peterson
Careerverified
Per 600 PAverified
0.174
0.174
Jon Lester
Career
Per 600 PA
0.261
0.261
Jim Peterson
Careerverified
Per 600 PAverified
0.417
0.417
Jon Lester
Career
Per 600 PA
0.188
0.188
Jim Peterson
Careerverified
Per 600 PAverified
0.294
0.294
Jon Lester
Careerverified
Per 600 PA
27
38.3
Jim Peterson
Career
Per 600 PAverified
3
54.55
Jon Lester
Careerverified
Per 600 PAverified
31
43.97
Jim Peterson
Career
Per 600 PA
2
36.36
Jon Lester
Careerverified
Per 600 PA
54
76.6
Jim Peterson
Career
Per 600 PAverified
5
90.91
Jon Lester
Career
Per 600 PA
0.54
0.76
Jim Peterson
Careerverified
Per 600 PAverified
1.89
34.34
Jon Lester
Career
Per 600 PA
0
0
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Careerverified
Per 600 PA
21
29.79
Jim Peterson
Career
Per 600 PAverified
4
72.73
Jon Lester
Career
Per 600 PA
0
0
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Career
Per 600 PA
162
229.79
Jim Peterson
Careerverified
Per 600 PAverified
12
218.18
Jon Lester
Career
Per 600 PA
2.61
2.61
Jim Peterson
Careerverified
Per 600 PAverified
2.75
2.75
Jon Lester
Career
Per 600 PA
0.13
0.13
Jim Peterson
Careerverified
Per 600 PAverified
0.33
0.33
Jon Lester
Careerverified
Per 600 PAverified
34
48.23
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Careerverified
Per 600 PAverified
2
2.84
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Career
Per 600 PA
6
8.51
Jim Peterson
Careerverified
Per 600 PAverified
0
0
Jon Lester
Careerverified
Per 600 PAverified
1
1.42
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Career
Per 600 PA
0
0
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Careerverified
Per 600 PAverified
1
1.42
Jim Peterson
Career
Per 600 PA
0
0
Jon Lester
Careerverified
Per 600 PAverified
100
100
Jim Peterson
Career
Per 600 PA