FILE - This March 5, 2010, file photo shows Washington Nationals President Stan Kasten before a spring training baseball game against the Atlanta Braves, in Kissimmee, Fla. Stan Kasten says he will resign as president of the Washington Nationals at the end of the season. Kasten's announcement Thursday, Sept. 23, 2010, comes with the Nationals headed toward a third consecutive last-place finish in the NL East.(AP Photo/Rob Carr, File)