Feliz akaita mutambo wake wekutanga wepasi rose weDominican Republic timu yenyika yebhasikiti panguva ya2013 Centrobasket U17 Championship yeVarume. Muna 2014, akahwina menduru yebronze achitamba timu yenyika yeDominican Republic mu2014 FIBA Americas Under-18 Championship. Muna 2015, Feliz akanga ari mutungamiri anotungamirira mu2015 FIBA Under-19 World Championship
, avhareji yemapoinzi 18.9 uye 3.7 anobatsira mumitambo minomwe. Akatambawo timu yenyika yeDominican Republic panguva ye2015 Pan American Games.