 Nyorai mberi kweiyi ndima - Mushure memwaka wa1990, Calderón akawanikwa neMontreal Expos, muchibvumirano chevatambi vakawanda chakatumira Tim Raines kuWhite Sox. The Expos yakasimudza muhoro waCalderón kusvika kumadhora anodarika mamirioni maviri mwaka, uye akawana nzvimbo muNational Leagues roster ye1991 MLB All-Star Game. Akapfura 1-for-2 muAll-Star Game, uye akanga ane hwaro hwakabiwa. Calderón akarova.300 mumwaka wa1991. Kukuvadzwa muna 1992 kwakamuganhurira kumitambo makumi mana nemasere neMontreal gore iro. Kazhinji mumwaka miviri neExpos, Calderón akarova.291 aine 22 home runs uye 99 RBIs mumitambo 182. 