John Walker (born April 25, 1983) is a former arena football defensive back. High school years Walker attended Birmingham High School in Van Nuys, California and was a letterman in football and track. College career Walker played college football for the University of Southern California. Professional career Walker was signed as a free agent for the National Football League's Houston Texans practice squad in 2006. On February 4, 2008, Walker signed with the Arena Football League's New York Dragons. On October 6, 2010, Walker signed with the Jacksonville Sharks. Personal life As a child, Walker was an actor and had roles in 7th Heaven and ER. See also List of Arena Football League and National Football League players External links New York Dragons bio Stats at Arena Fan Profile at NFL.com 1983 births Living people People from Wahiawa, Hawaii American football cornerbacks USC Trojans football players Houston Texans players New York Dragons players Jacksonville Sharks players People from Van Nuys, Los Angeles