The Celtics will play on Friday and then not again until Tuesday. Which is good considering the grueling West coast trip they just completed. Doc gave everyone two full days off to recharge and will use the rest of the time to get the new guys on the team acclimated. Celtics return to Boston to rest, gear up for rest of season - Celtics - Neither Crawford nor Williams has practiced with the Celtics since joining the team and both have been working with a limited playbook. Rivers will work extensively with both during this lighter part of the schedule as he tries to bring them up to speed. "It’s going to take them a while," Rivers said.