Barely half a decade ago, this gambling mecca was still largely off limits to the N.F.L.

In 2015, Dallas Cowboys quarterback Tony Romo called the league greedy and jealous when it prohibited him from attending a fantasy football event here because it was held at a convention center attached to a casino. It wasn’t until 2020 that the league allowed the city’s tourism bureau to take out an ad during the Super Bowl. To this day, league employees may not gamble while on business trips.

But in a matter of a few years, the N.F.L.’s long resistance to doing business in and with Las Vegas crumbled.