The largest margin of victory in a Super Bowl was 45 points. In Super Bowl XXIV , the San Francisco 49ers defeated the Denver Broncos 55-10.
43 points.September 19, 1976: Broncos 46, New York Jets 3
The largest margin of victory in an NFL game was 73 to 0. This happened when the Chicago Bears defeated the Washington Redskins during the 1940 NFL Championship game.
30 points. the 1990 ncaa championship. UNLV beat Duke
UNLV Running Rebels
The largest margin of victory recorded in a horse race was by Secretariat in the Belmont Stakes in 1973, where he won by 31 lengths.
UNC in 2009 with a 20.2 average margin of victory
Through Super Bowl XLII, the average margin of victory is 15 points. Margin of victory 1-7 points: 13 games Margin of victory 8-14 points: 9 games Margin of victory 15-21 points: 10 games Margin of victory 22-28 points: 4 games Margin of victory over 28 points: 6 games Smallest margin of victory: 1 point in Super Bowl XXV - New York Giants 20, Buffalo Bills 19 Largest margin of victory - 45 points in Super Bowl XXIV - San Francisco 49ers 55, Denver Broncos 10