Career
Collegiate
Priestley played his college career in the United States at Jacksonville University and also at the University of Connecticut. He was an All-Big East 2nd team selection in 2008, and also lead University of Connecticut to the 2007 Big East title. Professional
Priestley was drafted by Kansas City Wizards in the 2009 Master of Library Science SuperDraft (50th overall), but wasn"t offered a contract by the club
Priestley later signed with Jamaican club Harbour View who loaned him out to Azerbaijan based club FK Mughan for the 2009/2010 season.
In April 2011, Priestley signed with the Los Angeles Blues for the season. He joined Dayton Dutch Lions for the 2012 season.
On 15 August 2013, Priestley signed with RoPS in the Veikkausliiga for the remainder of the 2013 season. In January 2015, Priestley joined Sheikh Russel KC of the Bangladesh Premier League on trial and then signed until July 2015.
On October 16, 2015, after a trial period, Priestley joined Antigua GFC for the remainder of the 2015/2016 season.
International
In October 2004, Priestley made his senior national team debut versus Guatemala in Fort Lauderdale, Florida.