Usa Baseball Mlb

epa02192863 Washington Nationals ' pitching phenom Stephen Strasburg warms up in the outfield prior to making his Major League Baseball debut against the Pittsburgh Pirates at Nationals Park , in Washington , DC , USA , 08 June 2010 . Strasburg , the Nationals ' top draft choice a year ago , was called up after very successful minor league performances , is the most highly-anticipated rookie pitcher in a generation .  EPA/MIKE THEILER