Injury Jaylen Brown slips awkwardly on the new in-season tournament court and appears to suffer an injury to his groin Celtics call a timeout to sub him out

Since there is 10 days until the first preseason game, and less than a month until regular season games here is a video James Worthy telling you to "Get that Celtic ass"

Jaylen Brown skies down the lane for the big jam

Injury Ochai Agbaji scary fall as he tries to catch Olynyk's pass

Tatum, Fox, Brown, and Bam play one-on-one after USA basketball practice