What happened: Chicago's offseason changes extend beyond the lineup: [NBA transactions](https://www.nba.com/players/transactions?TeamID=1610612741) confirm additions through both a signing and a trade.

Why it matters: The projected turnover puts establishing roles at the center of preseason preparation. The incoming coaching staff will have to determine how the rebuilt rotation fits together.

What to watch: Watch for preseason starting combinations to test Murray's projection.