via press release:
More People Watch "The NFL on CBS" than any other Network through 17 Weeks OF 2008 NFL Regular-Season Games "The NFL on CBS" +14% Higher than NBC; +3% Over Fox; +52% Over ESPN
Through 17 weeks of the 2008 NFL regular-season, more people watched NFL games on CBS than any other network, based on a cumulative analysis of Nielsen data.
Through 17 weeks of the 2008 season (September 4-December 28, 2008), THE NFL ON CBS regular-season games were seen by an estimated 150.9 million viewers, +14% higher than NBC's 132.4 million viewers, +3% higher than FOX's 146.9 million viewers, and +52% higher than ESPN's 99.4 million.
The cumulative audience is based on Total Viewers (Persons 2+) who have watched at least six minutes of NFL game coverage since the start of the 2008 regular-season.
[edit from Seidman: it should be noted that Fox claimed victory via its own press release when it came to average audience]