Washington Nationals' Bryce Harper runs towards home to score a run on a single hit by teammate Ian Desmond during the third inning of a baseball game against the Cincinnati Reds at Nationals Park on Saturday, April 27, 2013, in Washington. (AP Photo/Evan Vucci)
Washington Nationals starting pitcher Dan Haren delivers a pitch to the Cincinnati Reds during the first inning of a baseball game at Nationals Park on Saturday, April 27, 2013, in Washington. (AP Photo/Evan Vucci)
Washington Nationals starting pitcher Dan Haren (15) throws during the first inning of a baseball game against the St. Louis Cardinals at Nationals Park Monday, April 22, 2013, in Washington. (AP Photo/Alex Brandon)
Washington Nationals third baseman Anthony Rendon (6) at bat during a baseball game against the St. Louis Cardinals at Nationals Park Wednesday, April 24, 2013, in Washington. The Cardinals won 4-2, and swept the three game series.(AP Photo/Alex Brandon)
Jordan Zimmermann, right, is congratulated by Washington Nationals catcher Kurt Suzuki, left, after the right-hander tossed a complete-game, one-hit shutout over the Cincinnati Reds on Friday night. (Associated Press photo)
Washington Nationals' Steve Lombardozzi flies out during the first inning of a baseball game against the Miami Marlins in Miami, Wednesday, April 17, 2013. (AP Photo/J Pat Carter)
Washington Nationals starting pitcher Stephen Strasburg (37) sits in the dugout during a baseball game against the St. Louis Cardinals at Nationals Park Wednesday, April 24, 2013, in Washington. (AP Photo/Alex Brandon)
Washington Nationals' Adam LaRoche talks with home plate umpire Cory Blaser after a called third strike during the fourth inning of a baseball game against the St. Louis Cardinals at Nationals Park Tuesday, April 23, 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)