He played in the 2005 pre-season, scoring the game-winning goal against Norway's Viking FK in the 2005 La Manga Cup, which helped him earn a starting spot on the MLS team.

In December 2012, Parke was traded to his hometown side Philadelphia Union in exchange for a 2013 MLS Supplemental Draft pick and allocation money.

[8] On January 5, 2012, Parke was called into camp for the United States men's national soccer team in preparation for friendly matches against Venezuela and Panama.

[9] On October 16, 2008, Parke, along with goalkeeper Jon Conway, was suspended for 10 matches each and fined 10 percent of their annual salaries after testing positive for a banned performance-enhancing drug.

Parke and Conway tested positive for androstenedione (ATD) and boldenone metabolites, two banned performance-enhancing steroids, after taking an over-the-counter supplement they purchased at The Vitamin Shoppe.