Bill Arnsparger, the Miami assistant coach who directed the ''No-Name Defense'' that helped the Dolphins win Super Bowl titles in 1973 and 1974, died Friday. Laura Prewitt, executive director of the Breeders' Cup Festival in Lexington, Kentucky, announced the death, saying Arnsparger died at his home in Athens, Alabama. The Miami team that won the Super Bowl in January 1973 had the only perfect season in NFL history. More...