He was identified by the club as a homegrown player -- an initiative established by Major League Soccer to allow clubs to develop their own youth players without exposing them to the MLS SuperDraft .
Armstrong signed a contract with the Colorado Rapids on Aug. 16 , 2010 .
Armstrong was identified by the club as a homegrown player -- an initiative established by Major League Soccer to allow clubs to develop their own youth players without exposing them to the MLS SuperDraft .
Armstrong signed a contract with the Colorado Rapids on Aug. 16 , 2010 .