from www.espn.com: John Clayton, whose list of contacts in the NFL was matched only by his attention to detail and dedication to his craft, died Friday in Washington after a brief illness, his family said. He was 67. John Clayton was known as “The Professor” and he started covering the Pittsburgh Steelers in the NFL, and later covered the Seattle Seahawks for many years before joining ESPN…. from GreensboroSports.com: Clayton got a big push when he was a guest on Nanci Donnellan’s Fabulous Sports Babe Radio Show…The show was running hot in Seattle and then it made its way onto…