As the NBA playoffs head toward an exciting climax and the baseball season kicks into high gear, both leagues are desperate to collect fees imposed on sportsbooks and anyone who places a wager using them.

Their failure to accomplish this quest has pushed them to employ a new hardball strategy. According to a report from Sports Handle, the NBA and MLB have given Las Vegas sportsbooks an ultimatum: Pay the leagues a 0.25% “royalty” on every wager or get cut off from their official betting data suppliers.