Mercury Morris, a running back and kick returner on the Miami Dolphins’ undefeated Super Bowl team in 1972, has died, according to a member of his family. He was 77. The Miami Herald has confirmed Morris’ death through the Dolphins. “It is with profound sadness that we announce the passing of Eugene ‘Mercury’ Morris, legendary Miami Dolphins running back and cherished member of the NFL family, at the age of 77,” his son GhostWridah, a Miami-based musical artist born Troy-Jeffery Morris, posted on X. “Known for his electrifying speed and dynamic play, Mercury was a cornerstone of the Dolphins’ historic...