It was just nine years ago that the NFL barred then-Dallas Cowboys quarterback Tony Romo from hosting a fantasy sports convention in Las Vegas because it would have taken place at a space adjacent to a casino. The NFL treated Las Vegas, the most concentrated hub of legal gambling in the U.S., like a toxic waste dump and a threat to the integrity of the sport. “There was always a Berlin Wall separating the NFL from gambling,” says longtime NFL agent Leigh Steinberg.That, of course, changed with a 2018 Suprem ...