Closest Super Bowl ever?

[MikeInRoch]

Has there ever been a Super Bowl where the largest lead the entire game by either team was 4 points?

[Ickybaluky]

Super Bowl V.

Box Score (http://www.nfl.com/superbowl/history/boxscore/sbv)

Not 4 points, but close throughout.

[hydro]

Looks like Dallas had a 6-0 lead before Baltimore scored...