ˌɔn mˈɑːɹtʃ wˈʌn, tˈuː θˈaʊzənd ˈeɪtiːn, kælˈæspoʊ wʌz tɹˈeɪdᵻd tə ðə liːˈoʊnz də jˌuːkɐtˈɑːn ʌvðə mˈɛksɪkən bˈeɪsbɔːl lˈiːɡ ɪn ɛkstʃˈeɪndʒ fɔːɹ fˈɔːɹmɚɹ ˌɛmˌɛlbˈiː plˈeɪɚ juːnˈɪski bˌeɪtəŋkˈoːɹt.
On March 1, 2018, Callaspo was traded to the Leones de Yucatán of the Mexican Baseball League in exchange for former MLB player Yuniesky Betancourt.