Celtics' Robert Williams injures knee after promising start
Robert Williams Gets Apartment Near Celtics' Practice Facility: 'Can't Be Late!', News, Scores, Highlights, Stats, and Rumors
Robert Williams reportedly misses flight, first Summer League practice
Celtics' rookie Robert Williams still battling knee tendinitis, yet to play 5-on-5 - NBC Sports
Dick Vitale rips Celtics rookie Robert Williams after missing flight
Robert Williams absent from Boston Celtics' first summer league practice - ESPN
Celtics rookie Robert Williams continues to make terrible first impression with club
Dick Vitale had some harsh criticism for Celtics rookie Robert Williams - The Boston Globe
The Recorder - Celtics 1st-rounder on missing flight: 'It's all on me