Kévin Denkey scored twice in the first half to back Roman Celantano and FC Cincinnati blanked the New York Red Bulls 2-0.
Louis Munteanu scored his first career goal late in the second half to tie it, and Kye Rowles followed with his first goal for the winner as D.C.
Jeremy Doku reveals he wants to be "more selfish" as he looks to improve his goal output for Manchester City.