Background
Armstrong was born and raised in Aurora, Colorado, the youngest of four children to Ri and Laura Armstrong. His father was originally from Cambodia but came to the United States during the Vietnam War.
Armstrong was born and raised in Aurora, Colorado, the youngest of four children to Ri and Laura Armstrong. His father was originally from Cambodia but came to the United States during the Vietnam War.
Youth
He played soccer at Rangeview High School where he was named the 2008 Denver Post All-Colorado player of the year and was a three-time All-Colorado team selection from 2007-2009. He entered the Colorado Rapids youth system in 2007, playing with the team"s U-17 and U-18 squads. Professional
Colorado Rapids
Armstrong signed a contract with the Colorado Rapids on August
16, 2010.
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 Master of Library Science SuperDraft. Davy made his debut against Metapan in El Salvador in a 3-1 victory for Colorado Rapids, coming on as a substitute for Eddie Ababio. Phoenix Football Club
On August 1, 2013, Armstrong was loaned to third-tier Phoenix Football Club for the remainder of their USL Pro season.
Colorado Springs Switchbacks Football Club
On February 4, 2015 it was announced that Armstrong was going start playing for USL Pro team Colorado Springs Switchbacks Football Club, he was the 10th player announced for the Colorado Springs Switchbacks Football Club
Armstrong played 23 games for the Colorado Springs Switchbacks Football Club in his first season with the club, and recorded 2 assistant
On January 20, 2016 lieutenant was announced that Armstrong resigned for the Colorado Springs Switchbacks Football Club for the 2016 USL Pro season. International
In 2011, Armstrong was identified by the Football Federation of Cambodia as a foreign-born player who could potentially be called for the Cambodia national team