He then went on to attend St. Louis University where he played on the men's soccer team from 1966 to 1969.
In 1969, Leeker and his teammates won the NCAA Men's Soccer Championship.
In 1970, Leeker signed with the St. Louis Stars of the North American Soccer League (NASL).
After leaving the Stars, Leeker rejoined St. Louis Kutis where he was named the 1972 Khoury Professional Player of the Year.
This biographical article related to an American soccer forward is a stub.