Cheer, and cheer very loudly from the bench: “NBA referees are on notice. Bring ear plugs. The tall, bald guy on the end of the bench is shouting at himself, not you. Forward Kevin Garnett, per request of Celtics management, is about to fill a role he is known to hate, as a non-playing member of the bench. ‘He will be on the bench,’ Doc Rivers said after making the announcement that, barring a miracle, Garnett will not play in the playoffs. ‘I told him that we need him out there. ‘We just hope that he doesn’t get a technical.’”