I le tausaga na sosoo ai, na faia ai e Schafer se suti mo Iapani i le 2017 FIBA Under-19 Basketball World Cup
, lea na ia averesi 5.0 togi, 4.9 rebounds ma 0.1 fesoasoani i le taʻaloga ma o le 'au lona lua-taʻitaʻi rebounder. E faalua ona faia e Schafer se faalua-faalua, 11 togi ma 10 rebounds faasaga ia Mali ma 10 togi ma 10 rebounds faasaga i Korea.