Dave Roberts vs. Geoff Zahn — Career Comparison

Dave Roberts
Silent GenerationOhioThrows LeftBats LeftNorth AmericaHouston AstrosAmerican LeagueStarting Pitcher
Geoff Zahn
Silent GenerationMarylandThrows LeftBats LeftNorth AmericaMinnesota TwinsAmerican LeagueStarting Pitcher

The numbers give Geoff Zahn a clear advantage over Dave Roberts across the core pitching metrics. Geoff Zahn led in run prevention (ERA+ 107 vs 82), home run suppression (HR9+ 103 vs 86), and skill-based run prevention (DICE+ 99 vs 92). Geoff Zahn was the better starter — the numbers make that case clearly.

Pitching Stats for Dave Roberts and Geoff Zahn

Dave Roberts
Career
Per 9 Innings
13
13
Geoff Zahn
Career
Per 9 Innings
13
13
Dave Roberts
Careerverified
Per 9 Inningsverified
445
1.91
Geoff Zahn
Career
Per 9 Innings
304
1.48
Dave Roberts
Careerverified
Per 9 Innings
277
1.19
Geoff Zahn
Career
Per 9 Inningsverified
270
1.31
Dave Roberts
Career
Per 9 Innings
103
0.44
Geoff Zahn
Careerverified
Per 9 Inningsverified
111
0.54
Dave Roberts
Career
Per 9 Innings
125
0.54
Geoff Zahn
Careerverified
Per 9 Inningsverified
109
0.53
Dave Roberts
Career
Per 9 Innings
45.18
45.18
Geoff Zahn
Careerverified
Per 9 Inningsverified
50.45
50.45
Dave Roberts
Career
Per 9 Innings
62.25
62.25
Geoff Zahn
Careerverified
Per 9 Inningsverified
88.82
88.82
Dave Roberts
Career
Per 9 Innings
77
0.33
Geoff Zahn
Careerverified
Per 9 Inningsverified
79
0.38
Dave Roberts
Career
Per 9 Innings
20
0.09
Geoff Zahn
Career
Per 9 Inningsverified
20
0.1
Dave Roberts
Careerverified
Per 9 Inningsverified
15
0.06
Geoff Zahn
Career
Per 9 Innings
1
0
Dave Roberts
Career
Per 9 Innings
882
3.78
Geoff Zahn
Careerverified
Per 9 Inningsverified
769
3.74
Dave Roberts
Career
Per 9 Innings
3.78
3.78
Geoff Zahn
Careerverified
Per 9 Inningsverified
3.74
3.74
Dave Roberts
Careerverified
Per 9 Inningsverified
3.71
3.71
Geoff Zahn
Career
Per 9 Innings
3.95
3.95
Dave Roberts
Careerverified
Per 9 Inningsverified
3.97
3.97
Geoff Zahn
Career
Per 9 Innings
4.17
4.17
Dave Roberts
Careerverified
Per 9 Inningsverified
0.27
0.27
Geoff Zahn
Career
Per 9 Innings
0.278
0.278
Dave Roberts
Careerverified
Per 9 Innings
6297
27
Geoff Zahn
Career
Per 9 Innings
5547
27
Dave Roberts
Careerverified
Per 9 Innings
2099
9
Geoff Zahn
Career
Per 9 Innings
1849
9
Dave Roberts
Career
Per 9 Inningsverified
2188
9.38
Geoff Zahn
Careerverified
Per 9 Innings
1978
9.63
Dave Roberts
Careerverified
Per 9 Inningsverified
9.38
9.38
Geoff Zahn
Career
Per 9 Innings
9.63
9.63
Dave Roberts
Career
Per 9 Inningsverified
155
0.66
Geoff Zahn
Careerverified
Per 9 Innings
149
0.73
Dave Roberts
Careerverified
Per 9 Inningsverified
0.66
0.66
Geoff Zahn
Career
Per 9 Innings
0.73
0.73
Dave Roberts
Careerverified
Per 9 Inningsverified
0.35
0.35
Geoff Zahn
Career
Per 9 Innings
0.49
0.49
Dave Roberts
Career
Per 9 Innings
615
2.64
Geoff Zahn
Careerverified
Per 9 Inningsverified
526
2.56
Dave Roberts
Career
Per 9 Innings
80
0.34
Geoff Zahn
Careerverified
Per 9 Inningsverified
28
0.14
Dave Roberts
Career
Per 9 Innings
2.64
2.64
Geoff Zahn
Careerverified
Per 9 Inningsverified
2.56
2.56
Dave Roberts
Careerverified
Per 9 Inningsverified
957
4.1
Geoff Zahn
Career
Per 9 Innings
705
3.43
Dave Roberts
Careerverified
Per 9 Inningsverified
4.1
4.1
Geoff Zahn
Career
Per 9 Innings
3.43
3.43
Dave Roberts
Career
Per 9 Innings
2.15
2.15
Geoff Zahn
Careerverified
Per 9 Inningsverified
2.32
2.32
Dave Roberts
Careerverified
Per 9 Inningsverified
0.749
0.749
Geoff Zahn
Career
Per 9 Innings
0.666
0.666
Dave Roberts
Career
Per 9 Innings
45
0.19
Geoff Zahn
Careerverified
Per 9 Inningsverified
32
0.16
Dave Roberts
Career
Per 9 Innings
31
0.13
Geoff Zahn
Careerverified
Per 9 Inningsverified
19
0.09
Dave Roberts
Careerverified
Per 9 Inningsverified
2
0.01
Geoff Zahn
Career
Per 9 Innings
4
0.02
Dave Roberts
Careerverified
Per 9 Inningsverified
8930
38.29
Geoff Zahn
Career
Per 9 Innings
7798
37.96
Dave Roberts
Careerverified
Per 9 Inningsverified
69
0.3
Geoff Zahn
Career
Per 9 Innings
13
0.06
Dave Roberts
Career
Per 9 Inningsverified
979
4.2
Geoff Zahn
Careerverified
Per 9 Innings
889
4.33
Dave Roberts
Careerverified
Per 9 Inningsverified
4.2
4.2
Geoff Zahn
Career
Per 9 Innings
4.33
4.33
Dave Roberts
Career
Per 9 Innings
111
0.48
Geoff Zahn
Careerverified
Per 9 Inningsverified
81
0.39
Dave Roberts
Career
Per 9 Innings
68
0.29
Geoff Zahn
Careerverified
Per 9 Inningsverified
56
0.27
Dave Roberts
Career
Per 9 Innings
126
0.54
Geoff Zahn
Careerverified
Per 9 Inningsverified
249
1.21
Dave Roberts
Careerverified
Per 9 Inningsverified
1.335
1.335
Geoff Zahn
Career
Per 9 Innings
1.354
1.354
Dave Roberts
Careerverified
Per 9 Inningsverified
8105
34.75
Geoff Zahn
Career
Per 9 Innings
7116
34.64
Dave Roberts
Careerverified
Per 9 Inningsverified
2.2
2.2
Geoff Zahn
Career
Per 9 Innings
2.92
2.92
Dave Roberts
Careerverified
Per 9 Inningsverified
0.291
0.291
Geoff Zahn
Career
Per 9 Innings
0.292
0.292
Dave Roberts
Careerverified
Per 9 Inningsverified
38.29
38.29
Geoff Zahn
Career
Per 9 Innings
37.96
37.96

Fielding Stats for Dave Roberts and Geoff Zahn

Dave Roberts
Career
Per 9 Innings
13
13
Geoff Zahn
Career
Per 9 Innings
13
13
Dave Roberts
Careerverified
Per 9 Inningsverified
445
1.91
Geoff Zahn
Career
Per 9 Innings
304
1.48
Dave Roberts
Careerverified
Per 9 Innings
277
1.19
Geoff Zahn
Career
Per 9 Inningsverified
270
1.31
Dave Roberts
Careerverified
Per 9 Innings
6299
27
Geoff Zahn
Career
Per 9 Innings
5547
27
Dave Roberts
Careerverified
Per 9 Innings
2099.2
9
Geoff Zahn
Career
Per 9 Innings
1849
9
Dave Roberts
Career
Per 9 Innings
83
0.36
Geoff Zahn
Careerverified
Per 9 Inningsverified
87
0.42
Dave Roberts
Careerverified
Per 9 Inningsverified
383
1.64
Geoff Zahn
Career
Per 9 Innings
326
1.59
Dave Roberts
Careerverified
Per 9 Inningsverified
16
0.07
Geoff Zahn
Career
Per 9 Innings
24
0.12
Dave Roberts
Careerverified
Per 9 Innings
482
2.07
Geoff Zahn
Career
Per 9 Inningsverified
437
2.13
Dave Roberts
Careerverified
Per 9 Innings
466
2
Geoff Zahn
Career
Per 9 Inningsverified
413
2.01
Dave Roberts
Careerverified
Per 9 Inningsverified
96.68
96.68
Geoff Zahn
Career
Per 9 Innings
94.51
94.51
Dave Roberts
Career
Per 9 Innings
1.047
1.047
Geoff Zahn
Careerverified
Per 9 Inningsverified
1.359
1.359
Dave Roberts
Career
Per 9 Innings
62.25
62.25
Geoff Zahn
Careerverified
Per 9 Inningsverified
88.82
88.82
Dave Roberts
Careerverified
Per 9 Inningsverified
23
0.1
Geoff Zahn
Career
Per 9 Innings
19
0.09
Dave Roberts
Career
Per 9 Innings
0
0
Geoff Zahn
Career
Per 9 Innings
0
0
Dave Roberts
Career
Per 9 Innings
0
0
Geoff Zahn
Career
Per 9 Innings
0
0
Dave Roberts
Career
Per 9 Innings
0
0
Geoff Zahn
Career
Per 9 Innings
0
0
Dave Roberts
Career
Per 9 Innings
0
0
Geoff Zahn
Career
Per 9 Innings
0
0

Hitting Stats for Dave Roberts and Geoff Zahn

Dave Roberts
Career
Per 600 PA
13
13
Geoff Zahn
Career
Per 600 PA
13
13
Dave Roberts
Careerverified
Per 600 PA
452
459.66
Geoff Zahn
Career
Per 600 PAverified
304
3441.51
Dave Roberts
Careerverified
Per 600 PA
590
600
Geoff Zahn
Career
Per 600 PA
53
600
Dave Roberts
Careerverified
Per 600 PAverified
531
540
Geoff Zahn
Career
Per 600 PA
43
486.79
Dave Roberts
Careerverified
Per 600 PAverified
0.194
0.194
Geoff Zahn
Career
Per 600 PA
0.14
0.14
Dave Roberts
Careerverified
Per 600 PAverified
0.53
0.53
Geoff Zahn
Career
Per 600 PA
0.415
0.415
Dave Roberts
Careerverified
Per 600 PAverified
103
104.75
Geoff Zahn
Career
Per 600 PA
6
67.92
Dave Roberts
Careerverified
Per 600 PAverified
77
78.31
Geoff Zahn
Career
Per 600 PA
6
67.92
Dave Roberts
Careerverified
Per 600 PAverified
15
15.25
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
4
4.07
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
7
7.12
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
26
26.44
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
0.252
0.252
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
0.013
0.013
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
0.068
0.068
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
30.09
30.6
Geoff Zahn
Career
Per 600 PA
0.61
6.89
Dave Roberts
Careerverified
Per 600 PAverified
147
149.49
Geoff Zahn
Career
Per 600 PA
6
67.92
Dave Roberts
Careerverified
Per 600 PAverified
111
112.88
Geoff Zahn
Career
Per 600 PA
6
67.92
Dave Roberts
Careerverified
Per 600 PAverified
0.204
0.204
Geoff Zahn
Career
Per 600 PA
0.14
0.14
Dave Roberts
Careerverified
Per 600 PAverified
0.277
0.277
Geoff Zahn
Career
Per 600 PA
0.14
0.14
Dave Roberts
Careerverified
Per 600 PAverified
0.481
0.481
Geoff Zahn
Career
Per 600 PA
0.279
0.279
Dave Roberts
Careerverified
Per 600 PAverified
0.083
0.083
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
0.161
0.161
Geoff Zahn
Career
Per 600 PA
0.098
0.098
Dave Roberts
Careerverified
Per 600 PAverified
0.353
0.353
Geoff Zahn
Career
Per 600 PA
0.158
0.158
Dave Roberts
Careerverified
Per 600 PAverified
0.242
0.242
Geoff Zahn
Career
Per 600 PA
0.177
0.177
Dave Roberts
Careerverified
Per 600 PA
28
28.47
Geoff Zahn
Career
Per 600 PAverified
3
33.96
Dave Roberts
Careerverified
Per 600 PAverified
46
46.78
Geoff Zahn
Career
Per 600 PA
1
11.32
Dave Roberts
Careerverified
Per 600 PAverified
67
68.14
Geoff Zahn
Career
Per 600 PA
4
45.28
Dave Roberts
Careerverified
Per 600 PAverified
26.26
26.71
Geoff Zahn
Career
Per 600 PA
-0.29
-3.29
Dave Roberts
Career
Per 600 PA
0
0
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
8
8.14
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Career
Per 600 PA
0
0
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Career
Per 600 PA
133
135.25
Geoff Zahn
Careerverified
Per 600 PAverified
9
101.89
Dave Roberts
Career
Per 600 PA
4.44
4.44
Geoff Zahn
Careerverified
Per 600 PAverified
5.89
5.89
Dave Roberts
Careerverified
Per 600 PAverified
0.06
0.06
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PA
45
45.76
Geoff Zahn
Career
Per 600 PAverified
10
113.21
Dave Roberts
Careerverified
Per 600 PAverified
6
6.1
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Career
Per 600 PAverified
10
10.17
Geoff Zahn
Careerverified
Per 600 PA
1
11.32
Dave Roberts
Career
Per 600 PA
0
0
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
1
1.02
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Careerverified
Per 600 PAverified
1
1.02
Geoff Zahn
Career
Per 600 PA
0
0
Dave Roberts
Career
Per 600 PA
0
0
Geoff Zahn
Career
Per 600 PA