FILE - In this Aug. 16, 2008 file photo, St. Louis Rams quarterback Trent Green throws during the second quarter of an NFL preseason football game against the San Diego Chargers in St. Louis. Green has decided to retire, according to an online report. Green, who began his career with San Diego in 1993, was released by St. Louis in February and opted to retire after 15 NFL seasons, FOXSports.com reported Friday, June 12, 2009. (AP Photo/Jeff Roberson, File)