Amy Le Peilbet, Melissa Tancredi, Megan Rapinoe

From left to right, Amy LePeilbet, Canada's Melissa Tancredi and Megan Rapinoe all try to head the ball. (Ben Curtis/Associated Press)

From left to right, Amy LePeilbet, Canada’s Melissa Tancredi and Megan Rapinoe all try to head the ball. (Ben Curtis/Associated Press)

United States’ Amy Le Peilbet, left, Canada’s Melissa Tancredi, center, and United States’ Megan Rapinoe, right, all try to head the ball during a semifinal women’s soccer match at the 2012 Summer Olympics, Monday, Aug. 6, 2012, at Old Trafford in Manchester, England. (AP Photo/Ben Curtis)