Instead of building from scratch, this NFL team is renovating—and saving $1 billion

In the highly competitive and profitable world of professional sports, stadium building has become an arms race. With lucrative sponsorships and naming deals on the table, and the potential jackpot of hosting an event like the Super Bowl, sports teams are scrambling for the biggest buildings, the largest screens, the flashiest private suites, and the most tech-forward fan experiences. But newer isn’t always better. For a growing number of professional sports teams and stadium operators,...