Mercury Morris, star of Dolphins’ perfect 1972 team, dies at age of 77

• Running back was part of star-studded rushing attack
• Morris won two Super Bowl titles with Miami

Eugene Mercury" Morris, who starred for the unbeaten 1972 Miami Dolphins as part of a star-studded backfield and helped the team win two Super Bowl titles, has died, the team said on Sunday.

Morris, a three-time Pro Bowl selection, was 77. In a statement, his family said his talent and passion left an indelible mark on the sport."