Sunday's Super Bowl LVII was the third-most-watched television show in history, with an estimated 113 million people watching the Kansas City Chiefs rally to defeat the Philadelphia Eagles.
The 2015 game between New England and Seattle on NBC holds the record at 114,442,000 viewers.
Fox said Monday that the preliminary numbers include the broadcasts on Fox and Fox Deportes as well as streaming on Fox's and the NFL's digital sites. The figures are via Nielsen's Fast National data and Adobe Analytics.
Final Nielsen data will be available on Tuesday.
This was Fox's 10th Super Bowl since it began airing NFL games in 1994 and the second-most-watched program in Fox Sports history.