In 2001, Aragon turned professional. He played on the
Web.com Tour in 2005, 2009, and 2012–2013. He won his first tournament in 2012 at the
TPC Stonebrae Championship. He won his second tournament at the 2013
WNB Golf Classic. Aragon played on the
PGA Tour in 2006 where his best finish was T-27 at the
84 Lumber Classic. He has also played on mini-tours, including the Tight Lies Tour in 2003 and the
Gateway Tour in 2004. He finished ninth on the 2013 Web.com Tour regular season money list to earn his 2014 PGA Tour card. In 2013–14, he made only 2 cuts in 18 events and finished 252nd on the
FedEx Cup points list and lost his PGA Tour card. ==Professional wins (2)==