(Σφαῖρος), the charioteer of Pelops, of whom there was a monument in the island of Sphaeria or Hiera, near Troezene. (Paus. 2.33.50.5.10.2.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890