Daniel Holloway Executive Editor, TVGale Sayers, the Hall of Fame NFL runningback whose friendship with Chicago Bears teammate Brian Piccolo was memorialized in the 1971 TV movie “Brian’s Song,” has died at the age of 77.According to the Associated Press, which confirmed his death through the Pro Football Hall of Fame, relatives of Sayers confirmed that he suffered from dementia in recent years.Sayers played seven seasons for the Bears from 1965 to 1971, and was widely regarded as the best