| Title | Average |
|---|---|
| Ronnie Goodnight | 179 |
| Ronny Goodnight | 166 |
| Rosie Young | 125 |
| Rosine Marschke | 179 |
| Ross Emmick | 150 |
| Ross Lyons | 185 |
| Ross Temonia | 194 |
| Ross Volgarino | 151 |
| Roy Gross | 169 |
| Roy McKnight | 191 |
| Roy Miele | 165 |
| Roy Ruth Sr. | 155 |
| Ruben A Verdugo | 175 |
| Ruben Redhair | 172 |
| Ruben Webber | 167 |
| Ruben Y Verdugo | 153 |
| Russ Laurin | 177 |
| Russ Oviatt | 203 |
| Russell Diana | 154 |
| Russell Neiger | 172 |
