 The Colts were led by second-year head coach Don Shula and quarterback Johnny Unitas.This was the Colts' third NFL championship game appearance since joining the National Football League in 1953, seeking to win their first since repeating in 1959.The Cleveland Browns finished the regular season with a record of 10–3–1, winning the Eastern Conference by a half game over the St. Louis Cardinals at 9–3–2.