Brown was officially diagnosed with a bone bruise with posterior impingement in his right knee according to the team. He had already been ruled out for Friday’s game against the Jazz for Boston and now will miss Sunday’s matchup against the Portland Trail Blazers. The All-Star forward is set to be re-evaluated Monday, according to the team.

Celtics All-Star Jaylen Brown will miss at least two games after he was diagnosed with a bone bruise with posterior impingement in his right knee.

Jaylen Brown will miss at least the next two games with a knee injury, putting the Celtics star's candidacy for the All-NBA and All-Defensive teams in jeopardy.