Is this the biggest match in the history of the women's game in England? With the World Cup final just days away, Sara is alongside 2014 World Cup winner Kat Merchant to preview Saturday's showdown at Twickenham between the Red Roses and Canada. They get a fascinating insight into Canadian rugby with former international Lesley McKenzie, who explains the complexities and challenges of representing the nation. We also hear from RFU chief executive Bill Sweeney on the importance of a Red Roses win and how they plan to build on the success of the tournament.