Boston Celtics center Robert Williams to miss 4-6 weeks after undergoing surgery for torn meniscus
Report: Celtics' Robert Williams expected to miss 4-6 weeks
Celtics' Williams out 4-6 weeks after following knee surgery
NBA Insiders Share Injury Update on Celtics' Robert Williams
Six weeks after left knee surgery, Celtics center Robert Williams is dunking again - The Boston Globe
Robert Williams III's health a swing factor looming over NBA Finals - CelticsBlog
Robert Williams injury: Celtics center to return in 4-6 weeks after undergoing surgery on torn meniscus
Report: Boston Celtics center Robert Williams to undergo minor knee surgery
Robert Williams undergoes knee surgery, out 8-12 weeks
UPDATE: Robert Williams officially out for Game 3. - CelticsBlog
Robert Williams expected to play for Celtics by Christmas following knee surgery (report)
Robert Williams reportedly remains right on schedule for his return