Washington Nationals manager Matt Williams (9) walks in the dugout before a baseball game against the Atlanta Braves at Nationals Park Saturday, June 21, 2014, in Washington. (AP Photo/Alex Brandon)
Washington Nationals' Anthony Rendon follows through on his RBI double during the seventh inning of a baseball game against the Atlanta Braves at Nationals Park on Saturday, June 21, 2014, in Washington. The Nationals won 3-0. (AP Photo/Alex Brandon)
Washington Nationals' Bryce Harper, center, celebrates 2-1 win over the Miami Marlins with Ian Desmond (20) and Anthony Rendon (6) in a baseball game, Tuesday, Aug. 27, 2013, in Washington. The Nationals won 2-1. (AP Photo/Nick Wass)
Washington Nationals' Ian Desmond throws his helmet after striking out during the sixth inning of a baseball game against the Chicago Cubs in Chicago, Thursday, June 26, 2014. (AP Photo/Nam Y. Huh)
Washington Nationals' Ryan Zimmerman looks on during a baseball game against the Atlanta Braves, Sunday, June 22, 2014, in Washington. The Nationals won 4-1. (AP Photo/Nick Wass)
Washington Nationals' Ryan Zimmermann follows through a two-run home run against the Milwaukee Brewers during the 16th inning of a baseball game Wednesday, June 25, 2014, in Milwaukee. (AP Photo/Jeffrey Phelps)
Washington Nationals left fielder Bryce Harper (34) walks off the field after celebrating with his teammates after a baseball game against the Atlanta Braves at Nationals Park Saturday, June 21, 2014, in Washington. The Nationals won 3-0. (AP Photo/Alex Brandon)
Washington Nationals' Jayson Werth (28) gets a high-five from teammate Danny Espinosa (8) after scoring on a sacrifice fly hit by Ryan Zimmerman during the first inning of a baseball game against the Atlanta Braves, Sunday, June 22, 2014, in Washington. (AP Photo/Nick Wass)
Washington Nationals starting pitcher Doug Fister throws during the first inning of a baseball game against the Atlanta Braves at Nationals Park on Saturday, June 21, 2014, in Washington. (AP Photo/Alex Brandon)
Washington Nationals' Anthony Rendon heads to home for his solo home run during the seventh inning of an interleague baseball game against the Houston Astros at Nationals Park Wednesday, June 18, 2014, in Washington. The Nationals won 6-5. (AP Photo/Alex Brandon)