Celtics' Robert Williams III expected to miss 4-6 weeks after surgery to repair torn meniscus, per report | CBS Sports Headlines Celtics' Robert Williams III expected to miss 4-6 weeks after surgery to repair torn meniscus, per report Williams could possibly make his return in the second round of the … Continue reading Celtics' Robert Williams III expected to miss 4-6 weeks after surgery to repair torn meniscus, per report