Maddox did not return to the Yankees until June of , and only appeared in five games before reinjuring his knee. He returned in September in time to be, and was part of the Yankees' post season roster. The only time Maddox reached the post season in his career, Maddox went two for nine with an RBI in game three of the 1976 American League Championship Series against the Kansas City Royals. He had one hit, a triple in five at bats against Cincinnati's "Big Red Machine" in the World Series.