Celtics‘ Kemba Walker and Rob Williams are out for Game 4 vs. Nets. Boston now down three starters.

Source: Shams Charania of The Athletic (Twitter)

ANALYSIS: According to Shams, Boston is inserting second-year guard Romeo Langford in starting lineup in place of Kemba Walker. Walker will miss the game with a bone bruise in his left knee, he was previously listed as 'questionable' coming into Sunday. Williams is out with a sprained left ankle.