Though a player is normally automatically ineligible for the Rule 5 draft in his first four professional seasons, Wang was eligible due to the voided contract.

[4][5] Wang made his MLB debut on April 14, 2014 against the St. Louis Cardinals pitching a scoreless inning, allowing one hit.

[8][9] After three years in the minor leagues, the Brewers recalled Wang from Colorado Springs Sky Sox on July 30, 2017.

On February 1, 2019, Wang signed a minor league deal with the Oakland Athletics that included an invitation to spring training.

[17][18] On July 4, Wang earned his first MLB win, tossing 2+1⁄3 shutout innings in a 7–2 victory over the Minnesota Twins, during which he allowed one walk, no hits, and one strikeout.

[26] On March 14, 2021, Wang made his CPBL debut as the Dragons' Opening Day pitcher against the Uni-President 7-Eleven Lions.