When Isaiah Stewart signed his contract extension, he was the first player in his draft class to sign a non-max contract. He was the first role player extended, for four years and $64 million. At the time, the price was considered an overpay, but he has quickly proven his worth and shown the difficulty of evaluating rookie extensions.
Isaiah Stewart: From overpaid to great value
When Stewart signed his contract extension, he was being used in roles that were not his ideal fit. He was often deployed as a power forward next to another true center such as Jalen Duren or James Wiseman.