Getty Jaylen Brown works against a 76ers defender as the Celtics get surprising good news on his injury before Game 4. The Boston Celtics got surprising good news on Jaylen Brown’s ankle injury Saturday, clearing him for Game 4 vs. the 76ers, as the Celtics look to put a stranglehold on their first-round series against Philadelphia by going up 3-1. Brown rolled his left ankle in the fourth quarter of Friday’s Game 3 in Philadelphia. By Saturday, the Boston Celtics had answered every question