Seventeen and Oh' Review: A Perfect Season for Dolphins - WSJ
Former NFL QB Earl Morrall had Stage four CTE in brain - Sports Illustrated
Former NFL QB Earl Morrall had Stage four CTE in brain - Sports Illustrated
Earl Morrall, who helped quarterback Miami Dolphins to perfect season, dies at 79
Earl Morrall, who helped quarterback Miami Dolphins to perfect season, dies at 79
1972 Miami Dolphins: The inside story of the only perfect season in NFL history
Baltimore Colts - Wikipedia
Former Dolphins QB Earl Morrall Passes Away at Age 79, News, Scores, Highlights, Stats, and Rumors
Miami Dolphins coach Don Shula dies at 90