Mezue ahịrịokwu na-esonụ: N'afọ 2017, Díaz meriri n'egwuregwu nke Ethan Tracy na Club Colombia Championship. Nkwụsị ahụ mere ka ọ pụọ na 700 kachasị elu na Official World Golf Ranking ruo 462nd, nke mere ka ọ ruo eruo maka WGC-Mexico Championship site na ịbụ onye gọlfụ Mexico kachasị elu. Díaz tozuru oke maka
U.S. Open, nke mbụ ya n'asọmpi ukwu, mgbe Phil Mickelson kwụsịrị ịga ememe ngụsị akwụkwọ nke nwa ya nwanyị. Ọ ga-aga n'ihu gbaa 72-76 ka ọ ghara ịkpụ. Diaz kwụsịrị 25th na 2017 Web.com Tour rankings, ọnọdụ ikpeazụ e ji n'aka maka kaadị PGA Tour.