Celtics head coach Joe Mazzulla has a habit of showing love to all of his players, including the recently retired Malcolm Brogdon.

A Jaylen Brown injury update: During the first quarter of the Celtics’ preseason win over the Raptors on Wednesday, Jaylen Brown left the game after appearing to pick up a left hamstring injury.

After Immanuel Quickley made a shot, he gestured and taunted the Celtics bench. Quickley's antics didn’t amuse Joe Mazzulla.

What was supposed to be a friendly pickup game between the media turned into utter humiliation at the hands of the Celtics coaching staff.

Jaylen Brown's hamstring will be the focus leading up to the Celtics' season opener next week, after he left Boston's preseason finale early Wednesday night with left hamstring tightness.