division record (2–4 to Bears' 1–5). Playoffs Records On November 8, New Orleans Saints placekicker Tom Dempsey kicked a record 63-yard field goal as time expired to win 19–17 over the visiting Detroit Lions. It bettered the previous record by seven yards (set seventeen years earlier by Bert Rechichar), and stood for 43 years (tied in , , and ) until it was broken in by Denver Broncos' Matt Prater. His record 64-yard field goal was at elevation in Denver on December 8, at the end of the first half. That record would stand until September 26, 2021, when Baltimore Ravens' Justin Tucker kicked a 66 yard field goal as time expired to win 19-17 over the Detroit Lions The Denver Broncos, Detroit Lions, and Los Angeles Rams all started 3–0 but lost in Week Four. Only the Lions advanced to the postseason after the 3–0 start. Coaching changes Offseason Baltimore Colts: Don McCafferty replaced Don Shula, who left the team to coach the Miami Dolphins. Miami Dolphins: Don Shula left the Baltimore Colts to replace the fired George Wilson as Miami's head coach. San Diego Chargers: Charlie Waller began his first full season as head coach. He replaced Sid Gillman to serve for five games in 1969 due to Gillman's poor health. Washington Redskins: Vince Lombardi was diagnosed with terminal cancer in late June and died on September 3. Offensive line coach Bill Austin served as Washington's head coach for the 1970 season. In-season Boston Patriots: Clive Rush resigned after seven games into the season due to medical reasons. John Mazur served as interim for the rest of the season and was hired as the full-time coach for 1971. New Orleans Saints: Tom Fears was fired after a 1–5–1 start. J. D. Roberts was named as his replacement and was hired as the full-time coach for 1971. Stadium changes Before the season, the league had demanded that the Chicago Bears find a new home field: Wrigley Field was too small, as it did not meet the new stadium requirement to seat at least 50,000, and it did not have lights installed (and would not install them until 1988), meaning it was unavailable for late afternoon and night games. The Chicago Cubs baseball team, which shared the stadium with the Bears, did not want to convert it to a football configuration while the Cubs were still in playoff contention. As