keli smith-puzo - field hockey - after giving birth to two sons in less than three years, keli smith-puzo thought her decade-long career on the national field hockey team was behind her. but just nine months shy of the 2012 summer olympics and less than three months after giving birth to her second son, she made her comeback. sons - xavi, 2, and ian, 11 months - will be in london cheering for mom as she makes her second olympic appearance.