Mercury Morris, who starred for the unbeaten 1972 Miami Dolphins and helped them win two Super Bowl titles, dies at 77

Mercury Morris, who played for the undefeated 1972 Miami Dolphins and helped them win two Super Bowl titles, dies at 77

MIAMI GARDENS, Florida — Mercury Morris, who played for the undefeated Miami Dolphins in 1972 and helped them win two Super Bowl titles, has died at age 77.