Washington Nationals starting pitcher Jordan Zimmermann delivers a pitch during the first inning of a baseball game against the New York Mets, Friday, April 8, 2011, at CitiField in New York. (AP Photo/Frank Franklin II)

Washington Nationals starting pitcher Jordan Zimmermann delivers a pitch during the first inning of a baseball game against the New York Mets, Friday, April 8, 2011, at CitiField in New York. (AP Photo/Frank Franklin II)