A large poster celebrating the Washington Nationals playoff run of last year is unveiled behind the large screen in centerfield 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

A large poster celebrating the Washington Nationals playoff run of last year is unveiled behind the large screen in centerfield 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)