Callaspo was originally signed by the then-Anaheim Angels in 2001, playing for the Aguilas Cibaeñas of Dominican Summer League.
kælˈæspoʊ wʌz ɚɹˈɪdʒɪnəli sˈaɪnd baɪ ðə ðˈɛnˈænɐhˌaɪm ˈeɪndʒəlz ɪn tˈuː θˈaʊzənd wˈʌn, plˈeɪɪŋ fɚðɪ æɡwˈɪləz sˈɪbiːnjəz ʌv dəmˈɪnɪkən sˈʌmɚ lˈiːɡ.