**FILE** Washington Nationals' Nyjer Morgan, center, is lead off the field after a brawl during the sixth inning of a baseball game against the Florida Marlins, Wednesday, Sept. 1, 2010 in Miami. (AP Photo/Wilfredo Lee)
Washington Nationals third baseman Ryan Zimmerman (11) walks in the dugout during a baseball game against the Atlanta Braves at Nationals Park Friday, April 12, 2013, in Washington. (AP Photo/Alex Brandon)
Bryce Harper battled a stomach virus Wednesday night and was still 4-for-5 in the Washington Nationals win over the Miami Marlins. (Associated Press photo)
Nationals' left-hander Ross Detwiler turned in his third strong start of the season to lead the Nationals to a 6-1 victory over the Marlins, and his 0.90 ERA ranks as the sixth-best mark in the major leagues. (Associated Press photo)
Washington Nationals catcher Kurt Suzuki and left-hander Ross Detwiler react to what appeared to be a blown call by home plate umpire Greg Gibson in the fifth inning Wednesday night against the Miami Marlins. (Associated Press photo)
Washington Nationals infielder Ryan Zimmerman makes a throwing error with two outs iin the third inning of a baseball game against the Atlanta Braves at Nationals Park on Saturday, April 13, 2013, in Washington. The error led to a two-run home run by the next batter, Evan Gattis. (AP Photo/Evan Vucci)
Jordan Zimmermann threw the first nine-inning complete game of his career Monday night, as the Washington Nationals beat the Miami Marlins 10-3. (Associated Press photo)
Washington Nationals catcher Kurt Suzuki, left, talks with pitcher Gio Gonzalez during the first inning of a baseball game at Nationals Park on Sunday, April 14, 2013, in Washington. (AP Photo/Evan Vucci)
Atlanta Braves pitcher Tim Hudson delivers a pitch during the fifth inning of a baseball game against the Washington Nationals at Nationals Park on Saturday, April 13, 2013, in Washington. (AP Photo/Evan Vucci)
Dan Haren scores on a wild pitch on Thursday night, scoring what stood up to be the winning run in the Washington Nationals' victory over the Chicago White Sox. (Associated Press photo)