Career
At Martin Luther King High School in Detroit, Michigan, Riley starred in football, basketball, and track&field As a senior, in football, he was an All-City choice, an All-Metro choice, and an All-State choice. Karon Riley entered the National Football League by being selected by the Chicago Bears in the 4th round (103rd overall pick) of the 2001 NFL Draft out of the University of Minnesota.
He played with the Bears in 2001 and the Atlanta Falcons (2003-2004).
In 2005, he played two games in the Canadian Football League with the Toronto Argonauts. On January 30, 2006, Riley signed with the Redskins as an unrestricted free agent but was released on August 28, 2006
Karon Riley played two seasons in the Arena Football League with the Las Vegas/Cleveland Gladiators (2007–2008) as an offensive lineman/defensive lineman.
On August 8, 2008 Riley was removed from the Gladiators roster and reassigned to the Arena Football 1 League office.