Mark Melancon traded by the Pirates to the Washington Nationals July 30, 2016 By Peter Diana, Matt Freed and Haley Nelson Share on Facebook Share on Twitter Mark Melancon traded by the Pirates to the Washington Nationals on July 30, 2016.In the spring of 2013, Pirates right hander Mark Melancon closed out the 9th to beat the Reds, 10-7, at PNC Park. Related Photos, Pirates, Pittsburgh, Sports