The teen tennis phenom who helped Canada win the Billie Jean King Cup

Just days shy of her 19th birthday, Marina Stakusic was called up at the last minute to play on Canada's team at the Billie Jean King Cup in Seville, Spain, and she's already a legend in the making.

The teen tennis phenom who helped Canada win the Billie Jean King Cup

Just days shy of her 19th birthday, Marina Stakusic was called up at the last minute to play on Canada's team at the Billie Jean King Cup in Seville, Spain, and she's already a legend in the making.