 The Professional Football Researchers Association (PFRA) elected Duke Slater to their second Hall of Very Good class in 2004.Slater was also one of four players the PFRA officially endorsed for election to the Pro Football Hall of Fame, along with LaVern Dilweg, Mac Speedie, and Al Wistert.Before the Pro Football Hall of Fame opened in 1963, Duke Slater was mentioned by United Press International as one of nine candidates that had been nominated for election to the new Hall.