The Nationals are the latest team to meet with free-agent starting pitcher Mark Buehrle. A source has confirmed that the Nationals are in Buehrle's hometown of St. Charles, Mo. in an effort to convince the veteran to come to Washington. In addition to the Nationals, the Marlins, Red Sox, Yankees and Rangers have shown interest in Buehrle. The White Sox have not ruled out re-signing the left-hander.