Boston erases a late 11-point deficit but loses 138-134 despite Jaylen Brown’s career high 46 points.

Dennis Schroder had missed a little time after suffering a left knee contusion.

Brown tested positive Friday, is asymptomatic and is entering isolation.

In a win over Orlando, Jaylen Brown looked in midseason form, while some of the young players struggled early before rallying in the fourth quarter to pull out a win.

The Celtics were not willing to give Al Horford a big contract, but now he’s back after stints in Philadelphia and Oklahoma City and expects to be a key contributor.

Ime Udoka, who is asymptomatic, was in his 10th day of isolation on Monday and will be available for the start of camp on Tuesday.

Jaylen Brown had wrist surgery on May 13, is pleased with his recovery and thinks he will be OK to compete when Boston’s camp opens on Tuesday.