NBA trade grades: Celtics move Josh Richardson, first-round pick to Spurs for Derrick White, per report | CBS Sports Headlines NBA trade grades: Celtics move Josh Richardson, first-round pick to Spurs for Derrick White, per report The Celtics will also send Romeo Langford to the Spurs ESN FeedsThis post was … Continue reading NBA trade grades: Celtics move Josh Richardson, first-round pick to Spurs for Derrick White, per report