Adrian Wojnarowski and Zach Lowe of ESPN,

The NBA is engaged in serious discussions with the National Basketball Players Association and broadcast partners on sweeping, dramatic changes to the league calendar that would include a reseeding of the four conference finalists, a 30-team in-season tournament and a postseason play-in, league sources told ESPN.

These scenarios would come with the shortening of the regular season to a minimum of 78 games, league sources said....

The reseeding of teams in the semifinal round based on regular-season record could give the NBA a championship series that includes its best two teams. The WNBA has been seeding teams in the playoffs without regard to conference for several seasons.

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