Pedzisa mutsara unotevera: Muna 2016, Curbelo akahwina menduru yegoridhe nePuerto Rico kuCentrobasket Under-15 Championship muPatillas, Puerto Rico mushure mekunge avhareji ye16.5 mapoinzi, manomwe rebounds uye 6.5 anobatsira pamutambo. Pa2017 FIBA Under-16 Americas Championship muFormosa, Argentina, akaenzana nemakwikwi anotungamira 21.8 mapoinzi, 7 rebounds, 3.2 anobatsira uye 3.5 anobira pamutambo uye akahwina menduru yebronze. Curbelo akakwikwidza ku2018 FIBA Under-17 World Cup muArgentina, kwaakawana 13.6 mapoinzi, 5.6 rebounds uye mutambo-wepamusoro 5.9 anobatsira pamutambo uye akatungamira timu yake kune imwe menduru yebronze. Akaenzana 11.1 points uye 5.6 assists pamutambo pa
2019 FIBA Under-19 World Cup muHeraklion, Greece sezvo Puerto Rico yakapedza iri pachinhanho chechitanhatu.