LAS VEGAS, NV - APRIL 29: An Oakland Raiders flag is shown during the team's 2017 NFL Draft event at the Welcome to Fabulous Las Vegas sign on April 29, 2017 in Las Vegas, Nevada. National Football League owners voted in March to approve the team's application to relocate to Las Vegas. The Raiders are expected to begin play no later than 2020 in a planned 65,000-seat domed stadium to be built in Las Vegas at a cost of about USD 1.9 billion. (Photo by Sam Wasson/Getty Images)
