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)

Photo by: Julio Cortez

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)