The Oakland Raiders broke ground on their new stadium in Las Vegas on Monday.
"Now it's real, right?" Nevada Gov. Brian Sandoval said after being introduced on stage.
The $1.9 billion stadium is scheduled to open in 2020.
"It will be seen around the world as a reflection of the spirit of Las Vegas: a resilient city on the rise," Roger Goodell said. "This is a very significant day in the franchise's storied history and a tangible symbol of the team's future in Las Vegas."
Nevada lawmakers approved $750 million in public funding for the stadium.