Cuban shortstop Erisbel Arruebarrena is scheduled to make his MLB debut Friday night for the Dodgers. While 308 players since 1957 (the start of the Day by Day Database) have had a double R in their last names, none of them had a double double R. Thirty two players had last names of 12 or more characters without spaces, but only Arnie Portocarrero (in that time frame) had even one double R.