It was a game that the Celtics had to win in order to keep their season alive. They had to do so without the services of Jayson Tatum, who tore his Achilles in Game 4. Jaylen Brown had to take a bigger role on the team,

BOSTON — Derrick White strolled into the Celtics locker room with a smile on his face about an hour before tipoff Wednesday night. After greeting a team employee, White briefly stopped at his locker. Before heading out to the court, he said three words to his nearby teammates. “Let’s win one,” White said.