 Following the Blues' elimination in the 2009 Stanley Cup playoffs, he received his first senior national team callup for the 2009 IIHF World Championship, also competing in the 2010 Championship, scoring four goals and two assists in six games.In 2012, he was the last addition of the American roster after the Blues were eliminated in the second round of the 2012 playoffs.On January 1, 2014, Oshie was named to the American roster for the 2014 Winter Olympics, along with Blues teammates David Backes and Kevin Shattenkirk.