Rob Bell vs. Joe Grzenda — Career Comparison

Rob Bell
Gen XNew YorkThrows RightBats RightNorth AmericaTampa Bay RaysAmerican LeagueStarting Pitcher
Joe Grzenda
Silent GenerationPennsylvaniaThrows LeftBats RightNorth AmericaWashington SenatorsAmerican LeagueRelief Pitcher

Rob Bell 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 led in home run suppression (HR9+ 188 vs 76), walk avoidance (BB%+ 121 vs 86), and skill-based run prevention (DICE+ 113 vs 82). Role difference aside, Joe Grzenda holds a clear edge on every meaningful shared measure.

Pitching Stats for Rob Bell and Joe Grzenda

Rob Bell
Career
Per 9 Innings
7
7
Joe Grzenda
Careerverified
Per 9 Inningsverified
8
8
Rob Bell
Career
Per 9 Innings
151
1.98
Joe Grzenda
Careerverified
Per 9 Inningsverified
219
6.4
Rob Bell
Careerverified
Per 9 Inningsverified
108
1.42
Joe Grzenda
Career
Per 9 Innings
3
0.09
Rob Bell
Careerverified
Per 9 Inningsverified
34
0.45
Joe Grzenda
Career
Per 9 Innings
14
0.41
Rob Bell
Career
Per 9 Innings
37
0.49
Joe Grzenda
Careerverified
Per 9 Inningsverified
13
0.38
Rob Bell
Career
Per 9 Innings
47.89
47.89
Joe Grzenda
Careerverified
Per 9 Inningsverified
51.85
51.85
Rob Bell
Careerverified
Per 9 Inningsverified
71.52
71.52
Joe Grzenda
Career
Per 9 Innings
1.37
1.37
Rob Bell
Careerverified
Per 9 Inningsverified
2
0.03
Joe Grzenda
Career
Per 9 Innings
0
0
Rob Bell
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0
Rob Bell
Career
Per 9 Innings
0
0
Joe Grzenda
Careerverified
Per 9 Inningsverified
14
0.41
Rob Bell
Career
Per 9 Innings
435
5.71
Joe Grzenda
Careerverified
Per 9 Inningsverified
137
4
Rob Bell
Career
Per 9 Innings
5.71
5.71
Joe Grzenda
Careerverified
Per 9 Inningsverified
4
4
Rob Bell
Career
Per 9 Innings
5.45
5.45
Joe Grzenda
Careerverified
Per 9 Inningsverified
4.03
4.03
Rob Bell
Career
Per 9 Innings
5.49
5.49
Joe Grzenda
Careerverified
Per 9 Inningsverified
3.99
3.99
Rob Bell
Career
Per 9 Innings
0.279
0.279
Joe Grzenda
Careerverified
Per 9 Inningsverified
0.273
0.273
Rob Bell
Careerverified
Per 9 Innings
2058
27
Joe Grzenda
Career
Per 9 Innings
924
27
Rob Bell
Careerverified
Per 9 Innings
686
9
Joe Grzenda
Career
Per 9 Innings
308
9
Rob Bell
Career
Per 9 Innings
757
9.93
Joe Grzenda
Careerverified
Per 9 Inningsverified
323
9.44
Rob Bell
Career
Per 9 Innings
9.93
9.93
Joe Grzenda
Careerverified
Per 9 Inningsverified
9.44
9.44
Rob Bell
Career
Per 9 Innings
125
1.64
Joe Grzenda
Careerverified
Per 9 Inningsverified
20
0.58
Rob Bell
Career
Per 9 Innings
1.64
1.64
Joe Grzenda
Careerverified
Per 9 Inningsverified
0.58
0.58
Rob Bell
Career
Per 9 Innings
0.83
0.83
Joe Grzenda
Careerverified
Per 9 Inningsverified
0.09
0.09
Rob Bell
Career
Per 9 Innings
288
3.78
Joe Grzenda
Careerverified
Per 9 Inningsverified
120
3.51
Rob Bell
Careerverified
Per 9 Inningsverified
13
0.17
Joe Grzenda
Career
Per 9 Innings
38
1.11
Rob Bell
Career
Per 9 Innings
3.78
3.78
Joe Grzenda
Careerverified
Per 9 Inningsverified
3.51
3.51
Rob Bell
Careerverified
Per 9 Inningsverified
421
5.52
Joe Grzenda
Career
Per 9 Innings
173
5.06
Rob Bell
Careerverified
Per 9 Inningsverified
5.52
5.52
Joe Grzenda
Career
Per 9 Innings
5.06
5.06
Rob Bell
Careerverified
Per 9 Inningsverified
2.79
2.79
Joe Grzenda
Career
Per 9 Innings
0.79
0.79
Rob Bell
Careerverified
Per 9 Inningsverified
1.034
1.034
Joe Grzenda
Career
Per 9 Innings
0.951
0.951
Rob Bell
Career
Per 9 Inningsverified
42
0.55
Joe Grzenda
Careerverified
Per 9 Innings
22
0.64
Rob Bell
Career
Per 9 Inningsverified
21
0.28
Joe Grzenda
Careerverified
Per 9 Innings
10
0.29
Rob Bell
Careerverified
Per 9 Inningsverified
0
0
Joe Grzenda
Career
Per 9 Innings
4
0.12
Rob Bell
Careerverified
Per 9 Inningsverified
3062
40.17
Joe Grzenda
Career
Per 9 Innings
1329
38.83
Rob Bell
Career
Per 9 Innings
15
0.2
Joe Grzenda
Careerverified
Per 9 Inningsverified
77
2.25
Rob Bell
Career
Per 9 Innings
465
6.1
Joe Grzenda
Careerverified
Per 9 Inningsverified
150
4.38
Rob Bell
Career
Per 9 Innings
6.1
6.1
Joe Grzenda
Careerverified
Per 9 Inningsverified
4.38
4.38
Rob Bell
Career
Per 9 Inningsverified
17
0.22
Joe Grzenda
Careerverified
Per 9 Innings
11
0.32
Rob Bell
Career
Per 9 Innings
25
0.33
Joe Grzenda
Careerverified
Per 9 Inningsverified
6
0.18
Rob Bell
Careerverified
Per 9 Inningsverified
50
0.66
Joe Grzenda
Career
Per 9 Innings
0
0
Rob Bell
Career
Per 9 Innings
1.523
1.523
Joe Grzenda
Careerverified
Per 9 Inningsverified
1.438
1.438
Rob Bell
Careerverified
Per 9 Inningsverified
2711
35.57
Joe Grzenda
Career
Per 9 Innings
1182
34.54
Rob Bell
Career
Per 9 Innings
3.08
3.08
Joe Grzenda
Careerverified
Per 9 Inningsverified
0.68
0.68
Rob Bell
Careerverified
Per 9 Inningsverified
0.292
0.292
Joe Grzenda
Career
Per 9 Innings
0.306
0.306
Rob Bell
Careerverified
Per 9 Inningsverified
40.17
40.17
Joe Grzenda
Career
Per 9 Innings
38.83
38.83

Fielding Stats for Rob Bell and Joe Grzenda

Rob Bell
Career
Per 9 Innings
7
7
Joe Grzenda
Careerverified
Per 9 Inningsverified
8
8
Rob Bell
Career
Per 9 Innings
151
1.98
Joe Grzenda
Careerverified
Per 9 Inningsverified
219
6.4
Rob Bell
Careerverified
Per 9 Inningsverified
108
1.42
Joe Grzenda
Career
Per 9 Innings
3
0.09
Rob Bell
Careerverified
Per 9 Innings
2058
27
Joe Grzenda
Career
Per 9 Innings
924
27
Rob Bell
Careerverified
Per 9 Innings
686
9
Joe Grzenda
Career
Per 9 Innings
308
9
Rob Bell
Careerverified
Per 9 Inningsverified
69
0.91
Joe Grzenda
Career
Per 9 Innings
6
0.18
Rob Bell
Careerverified
Per 9 Innings
68
0.89
Joe Grzenda
Career
Per 9 Inningsverified
66
1.93
Rob Bell
Career
Per 9 Innings
6
0.08
Joe Grzenda
Careerverified
Per 9 Inningsverified
0
0
Rob Bell
Careerverified
Per 9 Innings
143
1.88
Joe Grzenda
Career
Per 9 Inningsverified
72
2.1
Rob Bell
Careerverified
Per 9 Innings
137
1.8
Joe Grzenda
Career
Per 9 Inningsverified
72
2.1
Rob Bell
Career
Per 9 Innings
95.8
95.8
Joe Grzenda
Careerverified
Per 9 Inningsverified
100
100
Rob Bell
Careerverified
Per 9 Inningsverified
0.907
0.907
Joe Grzenda
Career
Per 9 Innings
0.329
0.329
Rob Bell
Careerverified
Per 9 Inningsverified
71.52
71.52
Joe Grzenda
Career
Per 9 Innings
1.37
1.37
Rob Bell
Career
Per 9 Innings
3
0.04
Joe Grzenda
Career
Per 9 Inningsverified
3
0.09
Rob Bell
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0
Rob Bell
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0
Rob Bell
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0
Rob Bell
Career
Per 9 Innings
0
0
Joe Grzenda
Career
Per 9 Innings
0
0

Hitting Stats for Rob Bell and Joe Grzenda

Rob Bell
Career
Per 600 PA
7
7
Joe Grzenda
Careerverified
Per 600 PAverified
8
8
Rob Bell
Career
Per 600 PA
151
1332.35
Joe Grzenda
Careerverified
Per 600 PAverified
219
3864.71
Rob Bell
Careerverified
Per 600 PA
68
600
Joe Grzenda
Career
Per 600 PA
34
600
Rob Bell
Careerverified
Per 600 PA
60
529.41
Joe Grzenda
Career
Per 600 PA
30
529.41
Rob Bell
Careerverified
Per 600 PAverified
0.083
0.083
Joe Grzenda
Career
Per 600 PA
0.067
0.067
Rob Bell
Careerverified
Per 600 PAverified
0.316
0.316
Joe Grzenda
Career
Per 600 PA
0.265
0.265
Rob Bell
Careerverified
Per 600 PAverified
5
44.12
Joe Grzenda
Career
Per 600 PA
2
35.29
Rob Bell
Careerverified
Per 600 PA
3
26.47
Joe Grzenda
Career
Per 600 PAverified
2
35.29
Rob Bell
Careerverified
Per 600 PAverified
2
17.65
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Careerverified
Per 600 PAverified
2
17.65
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Careerverified
Per 600 PAverified
0.4
0.4
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Careerverified
Per 600 PAverified
0.87
7.66
Joe Grzenda
Career
Per 600 PA
0.26
4.66
Rob Bell
Careerverified
Per 600 PAverified
7
61.76
Joe Grzenda
Career
Per 600 PA
2
35.29
Rob Bell
Careerverified
Per 600 PA
8
70.59
Joe Grzenda
Career
Per 600 PA
4
70.59
Rob Bell
Careerverified
Per 600 PAverified
0.127
0.127
Joe Grzenda
Career
Per 600 PA
0.125
0.125
Rob Bell
Careerverified
Per 600 PAverified
0.117
0.117
Joe Grzenda
Career
Per 600 PA
0.067
0.067
Rob Bell
Careerverified
Per 600 PAverified
0.244
0.244
Joe Grzenda
Career
Per 600 PA
0.192
0.192
Rob Bell
Careerverified
Per 600 PAverified
0.033
0.033
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Careerverified
Per 600 PAverified
0.086
0.086
Joe Grzenda
Career
Per 600 PA
0.073
0.073
Rob Bell
Careerverified
Per 600 PAverified
0.179
0.179
Joe Grzenda
Career
Per 600 PA
0.143
0.143
Rob Bell
Careerverified
Per 600 PAverified
0.192
0.192
Joe Grzenda
Career
Per 600 PA
0.182
0.182
Rob Bell
Careerverified
Per 600 PA
2
17.65
Joe Grzenda
Career
Per 600 PA
1
17.65
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Careerverified
Per 600 PAverified
1
17.65
Rob Bell
Career
Per 600 PA
2
17.65
Joe Grzenda
Career
Per 600 PAverified
2
35.29
Rob Bell
Career
Per 600 PAverified
-1.94
-17.08
Joe Grzenda
Careerverified
Per 600 PA
-1.14
-20.16
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Careerverified
Per 600 PA
3
26.47
Joe Grzenda
Career
Per 600 PAverified
2
35.29
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Career
Per 600 PAverified
34
300
Joe Grzenda
Careerverified
Per 600 PA
19
335.29
Rob Bell
Careerverified
Per 600 PAverified
2
2
Joe Grzenda
Career
Per 600 PA
1.79
1.79
Rob Bell
Career
Per 600 PA
0.09
0.09
Joe Grzenda
Careerverified
Per 600 PAverified
0.11
0.11
Rob Bell
Careerverified
Per 600 PAverified
5
44.12
Joe Grzenda
Career
Per 600 PA
2
35.29
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Career
Per 600 PA
1
8.82
Joe Grzenda
Careerverified
Per 600 PAverified
0
0
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Career
Per 600 PA
0
0
Joe Grzenda
Career
Per 600 PA
0
0
Rob Bell
Career
Per 600 PA
Joe Grzenda
Career
Per 600 PA