A lawsuit claiming that NFL improperly shut down fantasy football convention led by Dallas Cowboys quarterback Tony Romo in Las Vegas is heading to court on Monday.

Let us refresh your memory about this lawsuit. Romo was supposed to lead a fantasy football convention in Las Vegas in July 2015 but the National Football League (NFL) has threatened the players who were set to attend Romo’s National Fantasy Football Convention (NFFC).

NFL has no problem with fantasy sports as NFL commissioner Roger Goodell convinced himself that fantasy sports is not gambling. But it was location of the event that raised Goodell’s eyebrows, which was booked at the Sands Expo, a convention space of the Las Vegas Sands’ Venetian Resort Hotel Casino. NFL began informing almost 100 NFL players that they could be subject to fines if they attend the event.

NFCC released a statement saying they were “postponing” their inaugural event until July 2016 due to “sudden and unexpected opposition taken by the NFL concerning player participation and their perceived association with gambling for an event in Las Vegas.”