 Lombardozzi spent 2009 with the Class A Hagerstown Suns and recorded a .296 batting average with three home runs, 58 runs batted in (RBIs), and 16 stolen bases in 126 games.Prior to the 2010 season, Lombardozzi was ranked as the Nationals' 15th best prospect.He split the season between the Class-A Advanced Potomac Nationals and Double-A Harrisburg Senators, hitting .293 with six home runs, 49 RBIs, 35 doubles, 11 triples, and 24 stolen bases in 137 games.