IT's All About 18 Boston Celtics long jouney to the 2011 playoffs. I thought the Perk trade was stupid because Krstic hesitates down low, and is playing very sloppy basketball ... Bryce Lee The YouTube Channel of the 17-Time World Champions Boston Celtics. IT'S ALL ABOUT 18!!!!!!!!!!! Brand New Season! Let's get banner #18! Go Celtics! It's All About 18 The Boston Celtics are back for 2010-11, and this year it's All About 18.