India, Feb. 9 -- The Taylor Swift effect on the National Football League (NFL) is real, and now there are numbers to back it up. Ever since the pop icon began dating NFL star Travis Kelce, there has been an increased focus on one of America's biggest sporting leagues. Taylor's popularity has given the sport and the league new followers and more eyeballs. A new report says that the singer has helped the league earn a staggering $1 billion in brand value over the last two years. (Also read: Taylor Swift's Super Bowl strategy: Stay low-key while cheering for Travis Kelce)

As Super Bowl 59, the NFL's biggest night, approaches, MarketWatch carried a report about Taylor Swift's impact on the league. Using data provided by Apex Marketing, a com...