Apparently Celtics rookie Robert Williams is still not 100%-recovered from the knee tendinitis that was aggravated in a collision in his debut Summer League game. And lest we not forget, he suffers from Popliteal Artery Entrapment Syndrome, which adversely affects blood flow to the knee and lower leg.
It is not totally clear if the nagging knee injury and PAES are related, but it seems certain that the Celtics are moving cautiously with Williams' recovery.
Hear from @rob_williamsIII on how he's been preparing to join the rest of our roster later this month during training camp.