15 Years Ago - Pat Tillman, American football player and U.S. Army Ranger killed in action. He was 27 years old. Tillman went to Arizona State University on a football scholarship. He was drafted by the Arizona Cardinals in 1998. Following the September 11, 2001 attacks on the United States, Pat turned down a $3.6 million contract from the Cardinals to enlist in the US Army with his brother Kevin, where he went on to be an Army Ranger. He was killed by friendly fire in Afghanistan on April 22, 2004.