Washington Redskins safety Sean Taylor faces up to 46 years in prison after two additional assault charges were filed against him Friday. Michael Grieco, an assistant state attorney, said the charges reflect Taylor's alleged threatening of three people with a gun in an armed confrontation over an all-terrain vehicle on June 1. Taylor, 22, now faces three counts of aggravated assault, each of which carries a minimum sentence of three years and a maximum of 15 years in prison. He also faces one misdemeanor battery charge that carries a potential one-year prison term. Trial is scheduled to begin March 20 for Taylor, a former University of Miami star who signed a seven-year, $18-million contract after being drafted by the Redskins in 2004. He has six interceptions and 120 tackles in his two seasons.