 Nyorai kupfuurira kweiyi ndima - Crosbie akamiririra Ireland pasi rose pamwero wevaduku. Aive chikamu chechikwata cheIreland pasi pemakore makumi maviri mumwaka wa2013, achiita kutanga kwake kurwisa Wales mu2013 Six Nations Under 20s Championship. Muna Chivabvu 2013, Crosbie akatumidzwa muchikwata cheIrish cheJunior World Championship. Akaratidza mumitambo yese mishanu yechikwata mumutambo, achitora huwandu hwake hwekuonekwa kwechikwata chepasi pemakore makumi maviri kusvika gumi nematatu. 