Anthony McClanahan, 46, has been charged with killing his 28-year-old wife Keri "KC" McClanahan. A FORMER professional NFL player murdered his wife by slitting her throat with a knife as she desperately tried to fight him off, prosecutors say. Anthony McClanahan, who trained with the Dallas Cowboys in the 1990s, has been charged with killing his 28-year-old wife Keri "KC" McClanahan. The 46-year-old allegedly sliced his wife's neck and then crawled on the ground outside their rented Utah home in the Park Regency in Park City before flagging down a police officer, officials said. McClanahan initially told officers he, his...