Luis Arroyo vs. Rich Robertson — Career Comparison

Luis Arroyo
Greatest GenerationP.R.Throws LeftBats LeftCaribbeanNew York YankeesAmerican LeagueRelief PitcherAll-Star
Rich Robertson
Silent GenerationCaliforniaThrows RightBats RightNorth AmericaSan Francisco GiantsNational LeagueStarting Pitcher

Rich Robertson built a career as a starting pitcher and Luis Arroyo as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Luis Arroyo posted stronger surface numbers — ERA 3.93 and WHIP 1.440 compared to 4.94 and 1.631 for Rich Robertson. By the career numbers, Luis Arroyo had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Luis Arroyo and Rich Robertson

Luis Arroyo
Careerverified
Per 9 Inningsverified
8
8
Rich Robertson
Career
Per 9 Innings
6
6
Luis Arroyo
Careerverified
Per 9 Inningsverified
244
4.13
Rich Robertson
Career
Per 9 Innings
86
2.56
Luis Arroyo
Career
Per 9 Innings
36
0.61
Rich Robertson
Careerverified
Per 9 Inningsverified
40
1.19
Luis Arroyo
Careerverified
Per 9 Inningsverified
40
0.68
Rich Robertson
Career
Per 9 Innings
13
0.39
Luis Arroyo
Career
Per 9 Innings
32
0.54
Rich Robertson
Careerverified
Per 9 Inningsverified
14
0.42
Luis Arroyo
Careerverified
Per 9 Inningsverified
55.56
55.56
Rich Robertson
Career
Per 9 Innings
48.15
48.15
Luis Arroyo
Career
Per 9 Innings
14.75
14.75
Rich Robertson
Careerverified
Per 9 Inningsverified
46.51
46.51
Luis Arroyo
Careerverified
Per 9 Innings
10
0.17
Rich Robertson
Career
Per 9 Inningsverified
8
0.24
Luis Arroyo
Career
Per 9 Innings
1
0.02
Rich Robertson
Career
Per 9 Inningsverified
1
0.03
Luis Arroyo
Careerverified
Per 9 Inningsverified
44
0.75
Rich Robertson
Career
Per 9 Innings
2
0.06
Luis Arroyo
Career
Per 9 Inningsverified
232
3.93
Rich Robertson
Careerverified
Per 9 Innings
166
4.94
Luis Arroyo
Careerverified
Per 9 Inningsverified
3.93
3.93
Rich Robertson
Career
Per 9 Innings
4.94
4.94
Luis Arroyo
Careerverified
Per 9 Inningsverified
3.98
3.98
Rich Robertson
Career
Per 9 Innings
5.06
5.06
Luis Arroyo
Careerverified
Per 9 Inningsverified
4.4
4.4
Rich Robertson
Career
Per 9 Innings
4.67
4.67
Luis Arroyo
Careerverified
Per 9 Inningsverified
0.25
0.25
Rich Robertson
Career
Per 9 Innings
0.277
0.277
Luis Arroyo
Careerverified
Per 9 Innings
1594
27
Rich Robertson
Career
Per 9 Innings
907
27
Luis Arroyo
Careerverified
Per 9 Innings
531.1
9
Rich Robertson
Career
Per 9 Innings
302.1
9
Luis Arroyo
Career
Per 9 Inningsverified
524
8.88
Rich Robertson
Careerverified
Per 9 Innings
333
9.91
Luis Arroyo
Careerverified
Per 9 Inningsverified
8.88
8.88
Rich Robertson
Career
Per 9 Innings
9.91
9.91
Luis Arroyo
Career
Per 9 Innings
58
0.98
Rich Robertson
Careerverified
Per 9 Inningsverified
31
0.92
Luis Arroyo
Career
Per 9 Innings
0.98
0.98
Rich Robertson
Careerverified
Per 9 Inningsverified
0.92
0.92
Luis Arroyo
Careerverified
Per 9 Inningsverified
0.24
0.24
Rich Robertson
Career
Per 9 Innings
0.36
0.36
Luis Arroyo
Career
Per 9 Inningsverified
208
3.52
Rich Robertson
Careerverified
Per 9 Innings
153
4.55
Luis Arroyo
Career
Per 9 Innings
33
0.56
Rich Robertson
Careerverified
Per 9 Inningsverified
7
0.21
Luis Arroyo
Careerverified
Per 9 Inningsverified
3.52
3.52
Rich Robertson
Career
Per 9 Innings
4.55
4.55
Luis Arroyo
Careerverified
Per 9 Inningsverified
336
5.69
Rich Robertson
Career
Per 9 Innings
184
5.48
Luis Arroyo
Careerverified
Per 9 Inningsverified
5.69
5.69
Rich Robertson
Career
Per 9 Innings
5.48
5.48
Luis Arroyo
Career
Per 9 Innings
1.38
1.38
Rich Robertson
Careerverified
Per 9 Inningsverified
2.14
2.14
Luis Arroyo
Career
Per 9 Innings
1.024
1.024
Rich Robertson
Careerverified
Per 9 Inningsverified
1.115
1.115
Luis Arroyo
Careerverified
Per 9 Inningsverified
19
0.32
Rich Robertson
Career
Per 9 Innings
26
0.77
Luis Arroyo
Career
Per 9 Innings
13
0.22
Rich Robertson
Careerverified
Per 9 Inningsverified
4
0.12
Luis Arroyo
Careerverified
Per 9 Inningsverified
0
0
Rich Robertson
Career
Per 9 Innings
2
0.06
Luis Arroyo
Careerverified
Per 9 Innings
2315
39.21
Rich Robertson
Career
Per 9 Inningsverified
1379
41.05
Luis Arroyo
Careerverified
Per 9 Inningsverified
119
2.02
Rich Robertson
Career
Per 9 Innings
17
0.51
Luis Arroyo
Career
Per 9 Inningsverified
261
4.42
Rich Robertson
Careerverified
Per 9 Innings
195
5.8
Luis Arroyo
Careerverified
Per 9 Inningsverified
4.42
4.42
Rich Robertson
Career
Per 9 Innings
5.8
5.8
Luis Arroyo
Careerverified
Per 9 Inningsverified
0
0
Rich Robertson
Career
Per 9 Innings
7
0.21
Luis Arroyo
Careerverified
Per 9 Inningsverified
0
0
Rich Robertson
Career
Per 9 Innings
11
0.33
Luis Arroyo
Career
Per 9 Innings
0
0
Rich Robertson
Career
Per 9 Innings
0
0
Luis Arroyo
Careerverified
Per 9 Inningsverified
1.378
1.378
Rich Robertson
Career
Per 9 Innings
1.608
1.608
Luis Arroyo
Careerverified
Per 9 Innings
2094
35.47
Rich Robertson
Career
Per 9 Inningsverified
1204
35.84
Luis Arroyo
Careerverified
Per 9 Inningsverified
1.07
1.07
Rich Robertson
Career
Per 9 Innings
2.27
2.27
Luis Arroyo
Careerverified
Per 9 Inningsverified
0.274
0.274
Rich Robertson
Career
Per 9 Innings
0.305
0.305
Luis Arroyo
Career
Per 9 Innings
39.21
39.21
Rich Robertson
Careerverified
Per 9 Inningsverified
41.05
41.05

Fielding Stats for Luis Arroyo and Rich Robertson

Luis Arroyo
Careerverified
Per 9 Inningsverified
8
8
Rich Robertson
Career
Per 9 Innings
6
6
Luis Arroyo
Careerverified
Per 9 Inningsverified
244
4.13
Rich Robertson
Career
Per 9 Innings
86
2.56
Luis Arroyo
Career
Per 9 Innings
36
0.61
Rich Robertson
Careerverified
Per 9 Inningsverified
40
1.19
Luis Arroyo
Careerverified
Per 9 Innings
1594
27
Rich Robertson
Career
Per 9 Innings
908
27
Luis Arroyo
Careerverified
Per 9 Innings
531.1
9
Rich Robertson
Career
Per 9 Innings
302.2
9
Luis Arroyo
Career
Per 9 Innings
14
0.24
Rich Robertson
Careerverified
Per 9 Inningsverified
20
0.59
Luis Arroyo
Careerverified
Per 9 Innings
69
1.17
Rich Robertson
Career
Per 9 Inningsverified
41
1.22
Luis Arroyo
Career
Per 9 Inningsverified
7
0.12
Rich Robertson
Careerverified
Per 9 Innings
5
0.15
Luis Arroyo
Careerverified
Per 9 Innings
90
1.52
Rich Robertson
Career
Per 9 Inningsverified
66
1.96
Luis Arroyo
Careerverified
Per 9 Innings
83
1.41
Rich Robertson
Career
Per 9 Inningsverified
61
1.81
Luis Arroyo
Career
Per 9 Innings
92.22
92.22
Rich Robertson
Careerverified
Per 9 Inningsverified
92.42
92.42
Luis Arroyo
Career
Per 9 Innings
0.34
0.34
Rich Robertson
Careerverified
Per 9 Inningsverified
0.709
0.709
Luis Arroyo
Career
Per 9 Innings
14.75
14.75
Rich Robertson
Careerverified
Per 9 Inningsverified
46.51
46.51
Luis Arroyo
Career
Per 9 Innings
0
0
Rich Robertson
Careerverified
Per 9 Inningsverified
4
0.12
Luis Arroyo
Career
Per 9 Innings
0
0
Rich Robertson
Career
Per 9 Innings
0
0
Luis Arroyo
Career
Per 9 Innings
0
0
Rich Robertson
Career
Per 9 Innings
0
0
Luis Arroyo
Career
Per 9 Innings
0
0
Rich Robertson
Career
Per 9 Innings
0
0
Luis Arroyo
Career
Per 9 Innings
0
0
Rich Robertson
Career
Per 9 Innings
0
0

Hitting Stats for Luis Arroyo and Rich Robertson

Luis Arroyo
Careerverified
Per 600 PAverified
8
8
Rich Robertson
Career
Per 600 PA
6
6
Luis Arroyo
Careerverified
Per 600 PAverified
246
1039.44
Rich Robertson
Career
Per 600 PA
86
531.96
Luis Arroyo
Careerverified
Per 600 PA
142
600
Rich Robertson
Career
Per 600 PA
97
600
Luis Arroyo
Careerverified
Per 600 PAverified
128
540.85
Rich Robertson
Career
Per 600 PA
86
531.96
Luis Arroyo
Careerverified
Per 600 PAverified
0.227
0.227
Rich Robertson
Career
Per 600 PA
0.093
0.093
Luis Arroyo
Careerverified
Per 600 PAverified
0.549
0.549
Rich Robertson
Career
Per 600 PA
0.371
0.371
Luis Arroyo
Careerverified
Per 600 PAverified
29
122.54
Rich Robertson
Career
Per 600 PA
8
49.48
Luis Arroyo
Careerverified
Per 600 PAverified
26
109.86
Rich Robertson
Career
Per 600 PA
4
24.74
Luis Arroyo
Career
Per 600 PA
2
8.45
Rich Robertson
Career
Per 600 PAverified
2
12.37
Luis Arroyo
Career
Per 600 PA
0
0
Rich Robertson
Career
Per 600 PA
0
0
Luis Arroyo
Career
Per 600 PA
1
4.23
Rich Robertson
Careerverified
Per 600 PAverified
2
12.37
Luis Arroyo
Career
Per 600 PA
3
12.68
Rich Robertson
Careerverified
Per 600 PAverified
4
24.74
Luis Arroyo
Career
Per 600 PA
0.103
0.103
Rich Robertson
Careerverified
Per 600 PAverified
0.5
0.5
Luis Arroyo
Career
Per 600 PA
0.008
0.008
Rich Robertson
Careerverified
Per 600 PAverified
0.023
0.023
Luis Arroyo
Career
Per 600 PA
0.035
0.035
Rich Robertson
Careerverified
Per 600 PAverified
0.25
0.25
Luis Arroyo
Careerverified
Per 600 PAverified
7.31
30.89
Rich Robertson
Career
Per 600 PA
3.05
18.89
Luis Arroyo
Careerverified
Per 600 PAverified
34
143.66
Rich Robertson
Career
Per 600 PA
16
98.97
Luis Arroyo
Careerverified
Per 600 PAverified
31
130.99
Rich Robertson
Career
Per 600 PA
10
61.86
Luis Arroyo
Careerverified
Per 600 PAverified
0.237
0.237
Rich Robertson
Career
Per 600 PA
0.114
0.114
Luis Arroyo
Careerverified
Per 600 PAverified
0.266
0.266
Rich Robertson
Career
Per 600 PA
0.186
0.186
Luis Arroyo
Careerverified
Per 600 PAverified
0.502
0.502
Rich Robertson
Career
Per 600 PA
0.3
0.3
Luis Arroyo
Career
Per 600 PA
0.039
0.039
Rich Robertson
Careerverified
Per 600 PAverified
0.093
0.093
Luis Arroyo
Careerverified
Per 600 PAverified
0.173
0.173
Rich Robertson
Career
Per 600 PA
0.098
0.098
Luis Arroyo
Careerverified
Per 600 PAverified
0.353
0.353
Rich Robertson
Career
Per 600 PA
0.228
0.228
Luis Arroyo
Careerverified
Per 600 PAverified
0.28
0.28
Rich Robertson
Career
Per 600 PA
0.182
0.182
Luis Arroyo
Career
Per 600 PA
5
21.13
Rich Robertson
Career
Per 600 PAverified
5
30.93
Luis Arroyo
Careerverified
Per 600 PAverified
8
33.8
Rich Robertson
Career
Per 600 PA
4
24.74
Luis Arroyo
Careerverified
Per 600 PAverified
12
50.7
Rich Robertson
Career
Per 600 PA
7
43.3
Luis Arroyo
Careerverified
Per 600 PAverified
8.11
34.28
Rich Robertson
Career
Per 600 PA
-1.49
-9.22
Luis Arroyo
Career
Per 600 PA
0
0
Rich Robertson
Career
Per 600 PA
0
0
Luis Arroyo
Career
Per 600 PA
2
8.45
Rich Robertson
Career
Per 600 PAverified
2
12.37
Luis Arroyo
Career
Per 600 PA
0
0
Rich Robertson
Career
Per 600 PA
0
0
Luis Arroyo
Careerverified
Per 600 PAverified
28
118.31
Rich Robertson
Career
Per 600 PA
51
315.46
Luis Arroyo
Careerverified
Per 600 PAverified
5.07
5.07
Rich Robertson
Career
Per 600 PA
1.9
1.9
Luis Arroyo
Careerverified
Per 600 PAverified
0.07
0.07
Rich Robertson
Career
Per 600 PA
0.04
0.04
Luis Arroyo
Careerverified
Per 600 PA
11
46.48
Rich Robertson
Career
Per 600 PAverified
9
55.67
Luis Arroyo
Careerverified
Per 600 PAverified
1
4.23
Rich Robertson
Career
Per 600 PA
0
0
Luis Arroyo
Career
Per 600 PA
3
12.68
Rich Robertson
Careerverified
Per 600 PAverified
1
6.19
Luis Arroyo
Career
Per 600 PA
0
0
Rich Robertson
Career
Per 600 PA
0
0
Luis Arroyo
Career
Per 600 PA
0
0
Rich Robertson
Career
Per 600 PA
0
0
Luis Arroyo
Career
Per 600 PA
0
0
Rich Robertson
Career
Per 600 PA
0
0
Luis Arroyo
Career
Per 600 PA
Rich Robertson
Career
Per 600 PA