Time ticks on what may be wide receiver Brandon Marshall's final days as a Bronco. The gifted but trouble-prone receiver is a restricted free agent whose opportunity for receiving an offer sheet from another team expires next Thursday and if the offer sheet process expires, the Broncos could open trade talks with other clubs. Seattle Seahawks coach Pete Carroll confirmed his team's interest in Marshall during the NFC coaches' breakfast March 24 at Orlando, Fla. Source: Denver Post