According to a quick search. And I heard talking heads discussing this the other day on the radio.
"Taylor Swift has generated a total of approximately $1 billion in equivalent brand value for the NFL since she began attending games in September 2023, according to
Apex Marketing Group. This figure is not direct revenue, but rather the value of the media exposure she created across TV, digital media, radio, and print, which significantly boosted the NFL's profile and viewership, particularly among women and new fans. "