Toronto Hungaria repeated their success by defeating Croatia for the NSL Cup, which marked the organization's first league double.
[2] Although Toronto Croatia was defeated in the postseason, they still managed to secure the regular-season title and qualified for the Canadian Open Cup.
[5] Toronto Croatia was scheduled to participate in the 1973 CONCACAF Champions' Cup against Club América, but the series of matches failed to materialize.
[15] The league table was modified after the Ottawa Tigers were suspended in late August after incurring financial problems.
[39] The Canadian Open Cup was a tournament organized by the National Soccer League in 1971 where the NSL champion would face the Challenge Trophy winners to determine the best team throughout the country.