Hagan attended Westfield High School in Houston, Texas, where he was a three-year letterwinner for coach Larry Brown.
As a senior in 2005–06, he averaged 14 points, six assists and three steals per game as he helped the Mustangs finish with a 36–1 record and a No.
[1][2] In his sophomore season, Hagan played in the Owls' first three games before suffering a ruptured patella tendon against Richmond on November 20, 2007.
[3] As a redshirted sophomore in 2008–09, he earned third-team NJCAA All-Region XIV honors after averaging 12.9 points, 5.1 assists, 1.7 rebounds and 3.5 steals in 29 games.
[1] On June 2, 2011, Hagan signed with the Manawatu Jets for the rest of the 2011 New Zealand NBL season.
[6] In May 2012, Hagan returned to the Manawatu Jets, signing with the team for the rest of the 2012 New Zealand NBL season as a replacement for injured forward Dustin Mitchell.
[15] After retiring from basketball, Hagan started a career as a Hip Hop "Street Gospel" Artist.