The Canadian Soccer League is a semi-professional league for Canadian soccer clubs primarily located in the province of Ontario, and claims the history of the Canadian National Soccer League (CNSL). It is a non-FIFA league previously sanctioned by the Canadian Soccer Association (CSA), but now affiliated with the Soccer Federation of Canada (SFC). As of 2023, it consists of seven teams, all located in Ontario. The season usually runs from May to October, with most games played on the weekend followed by a playoff format to determine the overall champion.

The Durham Storm were a Canadian soccer team that last played in the Canadian Professional Soccer League (CPSL) in 2005. The club was founded as the Toronto Olympians in 1998 and played in Toronto, Ontario through 2001, before being renamed the Mississauga Olympians for 2002 and 2003. The team relocated to Oshawa, Ontario in Durham Region for the 2004 & 2005 seasons and was renamed Durham Storm.