Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Austin Aztex U23 was an American soccer team based in Round Rock, Texas, United States. Founded in 2007, the team played in the USL Premier Development League (PDL), the fourth tier of the American Soccer Pyramid, until 2009, after which the franchise folded and the team left the league. The team played its home games in Dragon Stadium on the campus of Round Rock High School. The team''s colors were red and white. The team was part of the official development system of the Austin Aztex USL First Division franchise, which also has an affiliation with English Premier League side Stoke City.