McDonald played one season in the North American Soccer League, 1973 with the Toronto Metros.
In 1992 McDonald became the first Director of Coaching for the Center Grove Soccer Club in Greenwood, Indiana and held that position until 2008.
In 1994 McDonald was appointed the Head Coach for the US Olympic Sports Festival but club commitments kept him from the post.
In that same year, McDonald was also a guest of John Greig of the Glasgow Rangers to observe and discuss the training of their First Team, Reserve and Youth squads.
The following year he also was a guest of the Glasgow Celtic for three weeks participating with the First Team, Reserve and Youth squads.