The Boston Celtics have already clinched a playoff berth, and the overwhelming likelihood is that they’re going to enter the 2018 postseason as the East’s No. 2 seed. Basketball-Reference.com’s projections give Boston a scant 2.5 percent chance of toppling Toronto. With that No. 2 spot all but assured, then, the Celtics will turn their attention over the campaign’s final weeks into how best to maximize their chances of making a deep postseason run.