Amateur, defeating Corey Conners, 2&1, in the final round of the championship at Atlanta Athletic Club.

[2] He made his PGA Tour debut at the Farmers Insurance Open in February 2015 and also competed in Arnold Palmer Invitational, RBC Heritage, and The Masters.

Yang made his first cut on the PGA Tour at the Crowne Plaza Invitational, where he was T-15th after 2nd round, but finished as T-65th.

As of 30 October 2018, he last played in the 2018 Sony Open in Hawaii.

This biographical article relating to golf in South Korea is a stub.