NBA notebook: Cavs reportedly retain Donovan Mitchell
May 11, 2024; Cleveland, Ohio, USA; Cleveland Cavaliers guard Donovan Mitchell (45) stands on the court in the second quarter of game three of the second round of the 2024 NBA playoffs against the Boston Celtics at Rocket Mortgage FieldHouse. Mandatory Credit: David Richard-USA TODAY Sports Donovan Mitchell plans to sign a three-year, $150.3 million…