Mike Bolsinger vs. Joe Grzenda — Career Comparison

Mike Bolsinger
MillenialIllinoisThrows RightBats RightNorth AmericaLos Angeles DodgersNational LeagueStarting Pitcher
Joe Grzenda
Silent GenerationPennsylvaniaThrows LeftBats RightNorth AmericaWashington SenatorsAmerican LeagueRelief Pitcher

Mike Bolsinger built a career as a starting pitcher and Joe Grzenda as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Joe Grzenda posted stronger surface numbers — ERA 4 and WHIP 1.562 compared to 4.92 and 1.535 for Mike Bolsinger. By the career numbers, Joe Grzenda had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Mike Bolsinger and Joe Grzenda

Mike Bolsinger
Career
Per 9 Innings
4
4
Joe Grzenda
Careerverified
Per 9 Inningsverified
8
8
Mike Bolsinger
Career
Per 9 Innings
48
1.87
Joe Grzenda
Careerverified
Per 9 Inningsverified
219
6.4
Mike Bolsinger
Careerverified
Per 9 Inningsverified
41
1.6
Joe Grzenda
Career
Per 9 Innings
3
0.09
Mike Bolsinger
Career
Per 9 Innings
8
0.31
Joe Grzenda
Careerverified
Per 9 Inningsverified
14
0.41
Mike Bolsinger
Career
Per 9 Innings
19
0.74
Joe Grzenda
Careerverified
Per 9 Inningsverified
13
0.38
Mike Bolsinger
Career
Per 9 Innings
29.63
29.63
Joe Grzenda
Careerverified
Per 9 Inningsverified
51.85
51.85
Mike Bolsinger
Careerverified
Per 9 Inningsverified
85.42
85.42
Joe Grzenda
Career
Per 9 Innings
1.37
1.37
Mike Bolsinger
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0
Mike Bolsinger
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0
Mike Bolsinger
Career
Per 9 Innings
0
0
Joe Grzenda
Careerverified
Per 9 Inningsverified
14
0.41
Mike Bolsinger
Careerverified
Per 9 Innings
126
4.92
Joe Grzenda
Career
Per 9 Inningsverified
137
4
Mike Bolsinger
Career
Per 9 Innings
4.92
4.92
Joe Grzenda
Careerverified
Per 9 Inningsverified
4
4
Mike Bolsinger
Career
Per 9 Innings
5.12
5.12
Joe Grzenda
Careerverified
Per 9 Inningsverified
4.03
4.03
Mike Bolsinger
Career
Per 9 Innings
4.45
4.45
Joe Grzenda
Careerverified
Per 9 Inningsverified
3.99
3.99
Mike Bolsinger
Career
Per 9 Innings
0.279
0.279
Joe Grzenda
Careerverified
Per 9 Inningsverified
0.273
0.273
Mike Bolsinger
Career
Per 9 Innings
692
27
Joe Grzenda
Careerverified
Per 9 Innings
924
27
Mike Bolsinger
Career
Per 9 Innings
230.2
9
Joe Grzenda
Careerverified
Per 9 Innings
308
9
Mike Bolsinger
Careerverified
Per 9 Innings
251
9.79
Joe Grzenda
Career
Per 9 Inningsverified
323
9.44
Mike Bolsinger
Career
Per 9 Innings
9.79
9.79
Joe Grzenda
Careerverified
Per 9 Inningsverified
9.44
9.44
Mike Bolsinger
Career
Per 9 Innings
34
1.33
Joe Grzenda
Careerverified
Per 9 Inningsverified
20
0.58
Mike Bolsinger
Career
Per 9 Innings
1.33
1.33
Joe Grzenda
Careerverified
Per 9 Inningsverified
0.58
0.58
Mike Bolsinger
Career
Per 9 Innings
0.71
0.71
Joe Grzenda
Careerverified
Per 9 Inningsverified
0.09
0.09
Mike Bolsinger
Careerverified
Per 9 Innings
98
3.82
Joe Grzenda
Career
Per 9 Inningsverified
120
3.51
Mike Bolsinger
Careerverified
Per 9 Inningsverified
5
0.2
Joe Grzenda
Career
Per 9 Innings
38
1.11
Mike Bolsinger
Career
Per 9 Innings
3.82
3.82
Joe Grzenda
Careerverified
Per 9 Inningsverified
3.51
3.51
Mike Bolsinger
Careerverified
Per 9 Inningsverified
210
8.19
Joe Grzenda
Career
Per 9 Innings
173
5.06
Mike Bolsinger
Careerverified
Per 9 Inningsverified
8.19
8.19
Joe Grzenda
Career
Per 9 Innings
5.06
5.06
Mike Bolsinger
Careerverified
Per 9 Inningsverified
4.38
4.38
Joe Grzenda
Career
Per 9 Innings
0.79
0.79
Mike Bolsinger
Careerverified
Per 9 Inningsverified
1.335
1.335
Joe Grzenda
Career
Per 9 Innings
0.951
0.951
Mike Bolsinger
Careerverified
Per 9 Inningsverified
9
0.35
Joe Grzenda
Career
Per 9 Innings
22
0.64
Mike Bolsinger
Careerverified
Per 9 Inningsverified
6
0.23
Joe Grzenda
Career
Per 9 Innings
10
0.29
Mike Bolsinger
Careerverified
Per 9 Inningsverified
2
0.08
Joe Grzenda
Career
Per 9 Innings
4
0.12
Mike Bolsinger
Career
Per 9 Inningsverified
1022
39.88
Joe Grzenda
Careerverified
Per 9 Innings
1329
38.83
Mike Bolsinger
Career
Per 9 Innings
2
0.08
Joe Grzenda
Careerverified
Per 9 Inningsverified
77
2.25
Mike Bolsinger
Careerverified
Per 9 Innings
138
5.38
Joe Grzenda
Career
Per 9 Inningsverified
150
4.38
Mike Bolsinger
Career
Per 9 Innings
5.38
5.38
Joe Grzenda
Careerverified
Per 9 Inningsverified
4.38
4.38
Mike Bolsinger
Careerverified
Per 9 Inningsverified
8
0.31
Joe Grzenda
Career
Per 9 Innings
11
0.32
Mike Bolsinger
Career
Per 9 Innings
11
0.43
Joe Grzenda
Careerverified
Per 9 Inningsverified
6
0.18
Mike Bolsinger
Careerverified
Per 9 Inningsverified
21
0.82
Joe Grzenda
Career
Per 9 Innings
0
0
Mike Bolsinger
Career
Per 9 Innings
1.513
1.513
Joe Grzenda
Careerverified
Per 9 Inningsverified
1.438
1.438
Mike Bolsinger
Career
Per 9 Inningsverified
899
35.08
Joe Grzenda
Careerverified
Per 9 Innings
1182
34.54
Mike Bolsinger
Career
Per 9 Innings
2.88
2.88
Joe Grzenda
Careerverified
Per 9 Inningsverified
0.68
0.68
Mike Bolsinger
Career
Per 9 Innings
0.331
0.331
Joe Grzenda
Careerverified
Per 9 Inningsverified
0.306
0.306
Mike Bolsinger
Careerverified
Per 9 Inningsverified
39.88
39.88
Joe Grzenda
Career
Per 9 Innings
38.83
38.83

Fielding Stats for Mike Bolsinger and Joe Grzenda

Mike Bolsinger
Career
Per 9 Innings
4
4
Joe Grzenda
Careerverified
Per 9 Inningsverified
8
8
Mike Bolsinger
Career
Per 9 Innings
48
1.87
Joe Grzenda
Careerverified
Per 9 Inningsverified
219
6.4
Mike Bolsinger
Careerverified
Per 9 Inningsverified
41
1.6
Joe Grzenda
Career
Per 9 Innings
3
0.09
Mike Bolsinger
Career
Per 9 Innings
692
27
Joe Grzenda
Careerverified
Per 9 Innings
924
27
Mike Bolsinger
Career
Per 9 Innings
230.2
9
Joe Grzenda
Careerverified
Per 9 Innings
308
9
Mike Bolsinger
Careerverified
Per 9 Inningsverified
14
0.55
Joe Grzenda
Career
Per 9 Innings
6
0.18
Mike Bolsinger
Career
Per 9 Innings
23
0.9
Joe Grzenda
Careerverified
Per 9 Inningsverified
66
1.93
Mike Bolsinger
Career
Per 9 Innings
3
0.12
Joe Grzenda
Careerverified
Per 9 Inningsverified
0
0
Mike Bolsinger
Career
Per 9 Innings
40
1.56
Joe Grzenda
Careerverified
Per 9 Inningsverified
72
2.1
Mike Bolsinger
Career
Per 9 Innings
37
1.44
Joe Grzenda
Careerverified
Per 9 Inningsverified
72
2.1
Mike Bolsinger
Career
Per 9 Innings
92.5
92.5
Joe Grzenda
Careerverified
Per 9 Inningsverified
100
100
Mike Bolsinger
Careerverified
Per 9 Inningsverified
0.771
0.771
Joe Grzenda
Career
Per 9 Innings
0.329
0.329
Mike Bolsinger
Careerverified
Per 9 Inningsverified
85.42
85.42
Joe Grzenda
Career
Per 9 Innings
1.37
1.37
Mike Bolsinger
Career
Per 9 Innings
1
0.04
Joe Grzenda
Careerverified
Per 9 Inningsverified
3
0.09
Mike Bolsinger
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0
Mike Bolsinger
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0
Mike Bolsinger
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0
Mike Bolsinger
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0

Hitting Stats for Mike Bolsinger and Joe Grzenda

Mike Bolsinger
Career
Per 600 PA
4
4
Joe Grzenda
Careerverified
Per 600 PAverified
8
8
Mike Bolsinger
Career
Per 600 PA
48
417.39
Joe Grzenda
Careerverified
Per 600 PAverified
219
3864.71
Mike Bolsinger
Careerverified
Per 600 PA
69
600
Joe Grzenda
Career
Per 600 PA
34
600
Mike Bolsinger
Careerverified
Per 600 PAverified
66
573.91
Joe Grzenda
Career
Per 600 PA
30
529.41
Mike Bolsinger
Career
Per 600 PA
0.046
0.046
Joe Grzenda
Careerverified
Per 600 PAverified
0.067
0.067
Mike Bolsinger
Career
Per 600 PA
0.145
0.145
Joe Grzenda
Careerverified
Per 600 PAverified
0.265
0.265
Mike Bolsinger
Careerverified
Per 600 PA
3
26.09
Joe Grzenda
Career
Per 600 PAverified
2
35.29
Mike Bolsinger
Career
Per 600 PA
2
17.39
Joe Grzenda
Career
Per 600 PAverified
2
35.29
Mike Bolsinger
Careerverified
Per 600 PAverified
1
8.7
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Careerverified
Per 600 PAverified
1
8.7
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Careerverified
Per 600 PAverified
0.333
0.333
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0.19
1.62
Joe Grzenda
Careerverified
Per 600 PAverified
0.26
4.66
Mike Bolsinger
Careerverified
Per 600 PA
4
34.78
Joe Grzenda
Career
Per 600 PAverified
2
35.29
Mike Bolsinger
Career
Per 600 PA
3
26.09
Joe Grzenda
Careerverified
Per 600 PAverified
4
70.59
Mike Bolsinger
Career
Per 600 PA
0.046
0.046
Joe Grzenda
Careerverified
Per 600 PAverified
0.125
0.125
Mike Bolsinger
Career
Per 600 PA
0.061
0.061
Joe Grzenda
Careerverified
Per 600 PAverified
0.067
0.067
Mike Bolsinger
Career
Per 600 PA
0.106
0.106
Joe Grzenda
Careerverified
Per 600 PAverified
0.192
0.192
Mike Bolsinger
Careerverified
Per 600 PAverified
0.015
0.015
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0.036
0.036
Joe Grzenda
Careerverified
Per 600 PAverified
0.073
0.073
Mike Bolsinger
Career
Per 600 PA
0.064
0.064
Joe Grzenda
Careerverified
Per 600 PAverified
0.143
0.143
Mike Bolsinger
Career
Per 600 PA
0.103
0.103
Joe Grzenda
Careerverified
Per 600 PAverified
0.182
0.182
Mike Bolsinger
Careerverified
Per 600 PA
2
17.39
Joe Grzenda
Career
Per 600 PAverified
1
17.65
Mike Bolsinger
Career
Per 600 PA
1
8.7
Joe Grzenda
Career
Per 600 PAverified
1
17.65
Mike Bolsinger
Careerverified
Per 600 PA
3
26.09
Joe Grzenda
Career
Per 600 PAverified
2
35.29
Mike Bolsinger
Career
Per 600 PA
-4.76
-41.42
Joe Grzenda
Careerverified
Per 600 PAverified
-1.14
-20.16
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Careerverified
Per 600 PAverified
2
35.29
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PAverified
37
321.74
Joe Grzenda
Careerverified
Per 600 PA
19
335.29
Mike Bolsinger
Careerverified
Per 600 PAverified
1.86
1.86
Joe Grzenda
Career
Per 600 PA
1.79
1.79
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Careerverified
Per 600 PAverified
0.11
0.11
Mike Bolsinger
Careerverified
Per 600 PA
3
26.09
Joe Grzenda
Career
Per 600 PAverified
2
35.29
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Mike Bolsinger
Career
Per 600 PA
Joe Grzenda
Career
Per 600 PA