News Potomac Nationals stadium lease deal would be most expensive in Minor League Baseball By Potomac Local News Published March 12, 2017 at 4:10AM | Updated March 13, 2017 at 2:59PM Fredericksburg Nationals team owner Art Silber. This article is FREE to read. Please Sign In or Create a FREE Account. Thank you. Author Potomac Local News View all posts #Dale City #News #Woodbridge