Washington Nationals starting pitcher Dan Haren (15) and first baseman Adam LaRoche (25) talk on the mound during a baseball game against the St. Louis Cardinals at Nationals Park Monday, April 22, 2013, in Washington. (AP Photo/Alex Brandon)
Washington Nationals starting pitcher Dan Haren (15) and first baseman Adam LaRoche (25) talk on the mound during a baseball game against the St. Louis Cardinals at Nationals Park Monday, April 22, 2013, in Washington. (AP Photo/Alex Brandon)
Washington Nationals' Anthony Rendon, center, is congratulated in the dugout after hitting a home run off St. Louis Cardinals starting pitcher Adam Wainwright during the second inning of an exhibition spring training baseball game, Saturday, March 2, 2013, in Jupiter, Fla. (AP Photo/Julio Cortez)
Members of the St. Louis Cardinals line up for a moment of silence following an explosion at the Boston Marathon, all wearing the No. 42 in honor of Jackie Robinson, before a baseball game against the Pittsburgh Pirates in Pittsburgh Monday, April 15, 2013. (AP Photo/Gene J. Puskar)
Members of the St. Louis Cardinals line up for a moment of silence following an explosion at the Boston Marathon, all wearing the No. 42 in honor of Jackie Robinson, before a baseball game against the Pittsburgh Pirates in Pittsburgh Monday, April 15, 2013. (AP Photo/Gene J. Puskar)
Washington Nationals' Kurt Suzuki, left, talks to pitcher Gio Gonzalez in the dugout during the second inning of an exhibition spring training baseball game against the St. Louis Cardinals, Saturday, March 2, 2013, in Jupiter, Fla. (AP Photo/Julio Cortez)
Washington Nationals third baseman Ryan Zimmerman (11), right, walks off the field as the St. Louis Cardinals celebrate their win over the Washington Nationals in game five of the National League Division Series at Nationals Park, Washington, D.C., Saturday, October 13, 2012. (Andrew Harnik/The Washington Times)
Washington Nationals third baseman Ryan Zimmerman (11), right, walks off the field as the St. Louis Cardinals celebrate their win over the Washington Nationals in game five of the National League Division Series at Nationals Park, Washington, D.C., Saturday, October 13, 2012. (Andrew Harnik/The Washington Times)
Washington Nationals' Anthony Rendon, center, is congratulated in the dugout after hitting a home run off St. Louis Cardinals starting pitcher Adam Wainwright during the second inning of an exhibition spring training baseball game, Saturday, March 2, 2013, in Jupiter, Fla. (AP Photo/Julio Cortez)
