Detail view of three NFL footballs on the sideline before the game between the New York Jets and the Buffalo Bills at MetLife Stadium on September 8, 2019 in East Rutherford, New Jersey. (Photo by Brett Carlsen/Getty Images) DENVER (AP) - It wasn’t that long ago that the NFL nixed Tony Romo’s fantasy football convention at a Nevada casino because of the league’s strict policy against having anything to do with sports betting.Now, the NFL is betting big on the once-taboo industry, loosening its gambling policies just as the finishing touches were being made at Allegiant Stadium, the Raiders’ spiffy new home within earshot of the neon-soaked Las Vegas Strip.When the league voted in May to allow teams to sign sponsorship deals with gambling.