A MAJOR Shakeup with the Celtics as Danny Ainge retires and Brad Stevens moves upstairs to become head of Basketball operations. John Zannis, Bobby Manning, Josue Pavon and Jimmy Toscano break down the latest on the Celtics shakeup. Garden Report show is powered by Locker Room. Download the Locker Room app (JoinLockerRoom.com) and join the chat following the broadcast.