Can smaller soccer balls help prevent injury for girls and young women playing the world's most popular sport? CBC's Havard Gould looks at a trial program being run by the Toronto Soccer Association to see if the Eir soccer ball can help prevent injuries. 

The Denmark-based manufacturer claims the smaller, lighter and softer balls can reduce pressure on a player's knee and limit leg strain. This summer, 24 teams in a girls league in Toronto will test the ball in games to find out. 

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