Sunday night's regular season game between the Steelers and Saints scored a higher television rating than Game 4 of the World Series.
The "Sunday Night Football" matchup between the past two Super Bowl champions was watched by 18.1 million people, compared with 15.5 million for Game 4 of the World Series.
NBC said it was the first time an NFL game earned a higher rating than the World Series.
Steelers-Saints Beats World Series