 Complete the following phrase:  Couturiers international hockey career began with back-to-back appearances for Canada Atlantic at the World U-17 Hockey Challenge in 2008 and 2009. His team finished eighth and ninth in the tournaments, respectively. In 2009, he also participated in the Ivan Hlinka Memorial Tournament, helping to capture a gold medal for Canada. In 2011, he became the only player under the age of 18 to be named to Team Canada at the 