<prompt> Bhala okuqhubekayo kwalesi sigaba - UNiemann wanqoba iMedali kaMark H. McCormack ka-2017 ngokuba ngumdlali osezingeni eliphakeme kakhulu ku-World Amateur Golf Ranking ekupheleni kwesizini yeligi yasehlobo, ngaleyo ndlela ethola ukungena ku-2018 U.S. Open  <response>: kanye ne-Open Championship ka-2018. Unqobe i-2018 Latin America Amateur Championship futhi wangena futhi ku-2018 Masters Tournament. 