12-a-side, three downs and a Maple Leaf at its heart. This week we look at Canadian football, the unsung cousin of rugby and gridiron football. Take a ten-minute trip through Canadian history to discover how Canada came to have its own football code and how it paved the way for American football. For more on the history of rugby and the other football codes, follow me on Twitter @collinstony and at www.rugbyreloaded.com