Major League Baseball is making changes to lineup protocol heading into the first season with expanded state-sponsored betting.

Teams will be required to submit starting lineups to the commissioner's office 15 minutes before they are made public in an effort to reduce the value of inside information and add uniformity to how data is disseminated.

Starting lineups and umpire assignments will be released first on MLB's official data feed.

In previous seasons, starting lineups were released randomly, sometimes by team social media accounts, other times by beat writers at the team clubhouses. Teams might continue to release lineups in their preferred manner, but must do so 15 minutes after providing them to the commissioner's office.