|Moving Picture Daily, 26-September-1955|
On 21-September-1955, heavyweight champion Rocky Marciano fought light heavyweight champion Archie Moore. Moore knocked Marciano down the second, but Marciano knocked Moore out in the ninth. This was Marciano's last fight. He retired the next year with a record of 49-0. Rocky Marciano is the only man so far to retire as heavyweight champion undefeated and untied and stay retired.
Archie Moore was a great fighter. He was 38 years old for this fight, and kept fighting until 1963.