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