NBA free agency tracker 2021: Wizards get Spencer Dinwiddie in sign-and-trade; Knicks land Kemba Walker | CBS Sports Headlines NBA free agency tracker 2021: Wizards get Spencer Dinwiddie in sign-and-trade; Knicks land Kemba Walker Keeping tabs on all the free agency moves before the start of the 2021-22 NBA season … Continue reading NBA free agency tracker 2021: Wizards get Spencer Dinwiddie in sign-and-trade; Knicks land Kemba Walker