Celtics star Paul Pierce tried to give Knicks celebrity-row faithfuls Mayor Bloomberg, Andrew Murstein, Spike Lee and Zach Galifianakis some consoling words after Sunday’s game. According to our source, he told them, “Don’t worry, you guys are on the right track. All you need are one or two more pieces to the puzzle and you’ll be in contention for a title.” When reached for comment, taxi tycoon Murstein added last night, “I told Paul Pierce that he now has to take care of Miami [Heat] for us — and he winked.”