In 1954, at the age of 23 years, former Notts County-forward Jimmy Jackson became the player-coach of Toronto Olympia in the National Soccer League. Jimmy was a prominent player during the 1954 NSL season. However, it was when he returned home to Notts County in December 1954 that he made headlines. In his first eleven games for County he scored nine goals.
The club was officially formed in 1970. They were members of the National Soccer League in the 1990 season.
London Marconi were members of the National Soccer League from 1983 until 1988. They won the NSL championship in 1985.
The league was formed in 1955. With the formation of the Western Ontario Soccer League in 1988 the league disbanded.
Hamilton Croatia were members of the National Soccer League from 1970 until 1976. In their first season in the league they won the 1970 NSL Playoff final.
Boris scored the winning goal for Toronto Croatia in the 1974 National Soccer League playoff final. He later played in the North American Soccer League and in the American Soccer League.