David Hernandez vs. Rich Robertson — Career Comparison
Rich Robertson built a career as a starting pitcher and David Hernandez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. David Hernandez posted stronger surface numbers — ERA 4.12 and WHIP 1.335 compared to 4.94 and 1.631 for Rich Robertson. By the career numbers, David Hernandez had the better of this cross-role comparison — though era context would sharpen the verdict.
Pitching Stats for David Hernandez and Rich Robertson
David Hernandez
Career
Per 9 Innings
547
7.59
Rich Robertson
Career
Per 9 Innings
86
2.56
David Hernandez
Career
Per 9 Innings
27
0.37
Rich Robertson
Career
Per 9 Innings
40
1.19
David Hernandez
Career
Per 9 Innings
38
0.53
Rich Robertson
Career
Per 9 Innings
13
0.39
David Hernandez
Career
Per 9 Innings
47
0.65
Rich Robertson
Career
Per 9 Innings
14
0.42
David Hernandez
Career
Per 9 Innings
44.71
44.71
Rich Robertson
Career
Per 9 Innings
48.15
48.15
David Hernandez
Career
Per 9 Innings
4.94
4.94
Rich Robertson
Career
Per 9 Innings
46.51
46.51
David Hernandez
Career
Per 9 Innings
24
0.33
Rich Robertson
Career
Per 9 Innings
2
0.06
David Hernandez
Career
Per 9 Innings
297
4.12
Rich Robertson
Career
Per 9 Innings
166
4.94
David Hernandez
Career
Per 9 Innings
4.12
4.12
Rich Robertson
Career
Per 9 Innings
4.94
4.94
David Hernandez
Career
Per 9 Innings
3.91
3.91
Rich Robertson
Career
Per 9 Innings
5.06
5.06
David Hernandez
Career
Per 9 Innings
4.01
4.01
Rich Robertson
Career
Per 9 Innings
4.67
4.67
David Hernandez
Career
Per 9 Innings
0.241
0.241
Rich Robertson
Career
Per 9 Innings
0.277
0.277
David Hernandez
Career
Per 9 Innings
1946
27
Rich Robertson
Career
Per 9 Innings
907
27
David Hernandez
Career
Per 9 Innings
648.2
9
Rich Robertson
Career
Per 9 Innings
302.1
9
David Hernandez
Career
Per 9 Innings
594
8.24
Rich Robertson
Career
Per 9 Innings
333
9.91
David Hernandez
Career
Per 9 Innings
8.24
8.24
Rich Robertson
Career
Per 9 Innings
9.91
9.91
David Hernandez
Career
Per 9 Innings
88
1.22
Rich Robertson
Career
Per 9 Innings
31
0.92
David Hernandez
Career
Per 9 Innings
1.22
1.22
Rich Robertson
Career
Per 9 Innings
0.92
0.92
David Hernandez
Career
Per 9 Innings
0.16
0.16
Rich Robertson
Career
Per 9 Innings
0.36
0.36
David Hernandez
Career
Per 9 Innings
253
3.51
Rich Robertson
Career
Per 9 Innings
153
4.55
David Hernandez
Career
Per 9 Innings
19
0.26
Rich Robertson
Career
Per 9 Innings
7
0.21
David Hernandez
Career
Per 9 Innings
3.51
3.51
Rich Robertson
Career
Per 9 Innings
4.55
4.55
David Hernandez
Career
Per 9 Innings
664
9.21
Rich Robertson
Career
Per 9 Innings
184
5.48
David Hernandez
Career
Per 9 Innings
9.21
9.21
Rich Robertson
Career
Per 9 Innings
5.48
5.48
David Hernandez
Career
Per 9 Innings
1.21
1.21
Rich Robertson
Career
Per 9 Innings
2.14
2.14
David Hernandez
Career
Per 9 Innings
1.414
1.414
Rich Robertson
Career
Per 9 Innings
1.115
1.115
David Hernandez
Career
Per 9 Innings
45
0.62
Rich Robertson
Career
Per 9 Innings
26
0.77
David Hernandez
Career
Per 9 Innings
26
0.36
Rich Robertson
Career
Per 9 Innings
4
0.12
David Hernandez
Career
Per 9 Innings
4
0.06
Rich Robertson
Career
Per 9 Innings
2
0.06
David Hernandez
Career
Per 9 Innings
2774
38.49
Rich Robertson
Career
Per 9 Innings
1379
41.05
David Hernandez
Career
Per 9 Innings
129
1.79
Rich Robertson
Career
Per 9 Innings
17
0.51
David Hernandez
Career
Per 9 Innings
311
4.32
Rich Robertson
Career
Per 9 Innings
195
5.8
David Hernandez
Career
Per 9 Innings
4.32
4.32
Rich Robertson
Career
Per 9 Innings
5.8
5.8
David Hernandez
Career
Per 9 Innings
14
0.19
Rich Robertson
Career
Per 9 Innings
7
0.21
David Hernandez
Career
Per 9 Innings
15
0.21
Rich Robertson
Career
Per 9 Innings
11
0.33
David Hernandez
Career
Per 9 Innings
35
0.49
Rich Robertson
Career
Per 9 Innings
0
0
David Hernandez
Career
Per 9 Innings
1.306
1.306
Rich Robertson
Career
Per 9 Innings
1.608
1.608
David Hernandez
Career
Per 9 Innings
2466
34.21
Rich Robertson
Career
Per 9 Innings
1204
35.84
David Hernandez
Career
Per 9 Innings
0.57
0.57
Rich Robertson
Career
Per 9 Innings
2.27
2.27
David Hernandez
Career
Per 9 Innings
0.295
0.295
Rich Robertson
Career
Per 9 Innings
0.305
0.305
David Hernandez
Career
Per 9 Innings
38.49
38.49
Rich Robertson
Career
Per 9 Innings
41.05
41.05
Fielding Stats for David Hernandez and Rich Robertson
David Hernandez
Career
Per 9 Innings
547
7.59
Rich Robertson
Career
Per 9 Innings
86
2.56
David Hernandez
Career
Per 9 Innings
27
0.37
Rich Robertson
Career
Per 9 Innings
40
1.19
David Hernandez
Career
Per 9 Innings
1946
27
Rich Robertson
Career
Per 9 Innings
908
27
David Hernandez
Career
Per 9 Innings
648.2
9
Rich Robertson
Career
Per 9 Innings
302.2
9
David Hernandez
Career
Per 9 Innings
34
0.47
Rich Robertson
Career
Per 9 Innings
20
0.59
David Hernandez
Career
Per 9 Innings
39
0.54
Rich Robertson
Career
Per 9 Innings
41
1.22
David Hernandez
Career
Per 9 Innings
3
0.04
Rich Robertson
Career
Per 9 Innings
5
0.15
David Hernandez
Career
Per 9 Innings
76
1.05
Rich Robertson
Career
Per 9 Innings
66
1.96
David Hernandez
Career
Per 9 Innings
73
1.01
Rich Robertson
Career
Per 9 Innings
61
1.81
David Hernandez
Career
Per 9 Innings
96.05
96.05
Rich Robertson
Career
Per 9 Innings
92.42
92.42
David Hernandez
Career
Per 9 Innings
0.134
0.134
Rich Robertson
Career
Per 9 Innings
0.709
0.709
David Hernandez
Career
Per 9 Innings
4.94
4.94
Rich Robertson
Career
Per 9 Innings
46.51
46.51
David Hernandez
Career
Per 9 Innings
1
0.01
Rich Robertson
Career
Per 9 Innings
4
0.12
David Hernandez
Career
Per 9 Innings
0
0
Rich Robertson
Career
Per 9 Innings
0
0
David Hernandez
Career
Per 9 Innings
0
0
Rich Robertson
Career
Per 9 Innings
0
0
David Hernandez
Career
Per 9 Innings
0
0
Rich Robertson
Career
Per 9 Innings
0
0
Hitting Stats for David Hernandez and Rich Robertson
David Hernandez
Career
Per 600 PA
547
65640
Rich Robertson
Career
Per 600 PA
86
531.96
David Hernandez
Career
Per 600 PA
5
600
Rich Robertson
Career
Per 600 PA
97
600
David Hernandez
Career
Per 600 PA
0.2
0.2
Rich Robertson
Career
Per 600 PA
0.093
0.093
David Hernandez
Career
Per 600 PA
0.4
0.4
Rich Robertson
Career
Per 600 PA
0.371
0.371
David Hernandez
Career
Per 600 PA
0
0
Rich Robertson
Career
Per 600 PA
0.023
0.023
David Hernandez
Career
Per 600 PA
0.18
21.64
Rich Robertson
Career
Per 600 PA
3.05
18.89
David Hernandez
Career
Per 600 PA
1
120
Rich Robertson
Career
Per 600 PA
16
98.97
David Hernandez
Career
Per 600 PA
1
120
Rich Robertson
Career
Per 600 PA
10
61.86
David Hernandez
Career
Per 600 PA
0.2
0.2
Rich Robertson
Career
Per 600 PA
0.114
0.114
David Hernandez
Career
Per 600 PA
0.2
0.2
Rich Robertson
Career
Per 600 PA
0.186
0.186
David Hernandez
Career
Per 600 PA
0.14
0.14
Rich Robertson
Career
Per 600 PA
0.098
0.098
David Hernandez
Career
Per 600 PA
0.25
0.25
Rich Robertson
Career
Per 600 PA
0.228
0.228
David Hernandez
Career
Per 600 PA
0.25
0.25
Rich Robertson
Career
Per 600 PA
0.182
0.182
David Hernandez
Career
Per 600 PA
0.18
21.95
Rich Robertson
Career
Per 600 PA
-1.49
-9.22
David Hernandez
Career
Per 600 PA
1
120
Rich Robertson
Career
Per 600 PA
51
315.46
David Hernandez
Career
Per 600 PA
5
5
Rich Robertson
Career
Per 600 PA
1.9
1.9
David Hernandez
Career
Per 600 PA
0
0
Rich Robertson
Career
Per 600 PA
0.04
0.04
David Hernandez
Career
Per 600 PA
0
0
Rich Robertson
Career
Per 600 PA
1
6.19