Preston Thomas Parsons (born February 19, 1979 in Portland, Oregon) is an American football quarterback who is currently a free agent. He was signed by the Arizona Cardinals as an undrafted free agent in 2002. He played college football at Northern Arizona. Parsons has also been a member of the Houston Texans, Denver Broncos and Tennessee Titans. His attempts to make the Broncos roster in 2008 was chronicled in Stefan Fatsis's book A Few Seconds of Panic.