Washington Nationals left fielder Bryce Harper (34), left, and Washington Nationals right fielder Jayson Werth (28), right, warm up with the team before the Washington Nationals play the Miami Marlins on opening day at Nationals Park, Washington, D.C., Monday, April 1, 2013. (Andrew Harnik/The Washington Times)

Photo by: ANDREW HARNIK

Washington Nationals left fielder Bryce Harper (34), left, and Washington Nationals right fielder Jayson Werth (28), right, warm up with the team before the Washington Nationals play the Miami Marlins on opening day at Nationals Park, Washington, D.C., Monday, April 1, 2013. (Andrew Harnik/The Washington Times)