Because the Rockets reportedly plan to pursue Chris Paul, Blake Griffin, Paul Millsap and Kyle Lowry in free agency. A new extension for Harden could be worth an estimated $168 million over four years starting with the 2019-20 season. They would need to trade Anderson to possibly create a max slot for Paul or Lowry.
Harden initiated the Rockets even more than in seasons past in 2016-17, finishing the year with averages of 29.1 points, 11.2 assists and 8.1 rebounds per game as a result. He would "welcome a trade" according to the report.
KRIV in Houston was first to report on Morey's extension.
Who would Houston look to go after in free agency? ESPN reported earlier this month he is considering San Antonio as a possible destination.