Joe Mazzulla's philosophy is as painfully clear as ever

Boston Celtics, Joe Mazzulla, Cleveland Cavaliers, Anfernee Simons | Dan Hamilton-Imagn ImagesBOSTON — Threes are still a staple of Boston Celtics basketball. Or, more specifically, two-on-one situations. “I've answered that question 100 times,” Joe Mazzulla said after the Celtics’ preseason win over the Cleveland Cavaliers on Sunday night. “Find a two-on-one, make the right play vs. the two-on-one. It’s that simple.”

Getting to those two-on-one situations may not look the same, however. Jayson Tatum is sidelined, and Boston lost a ton of three-point talent over the summer. Now, instead of having two great shooters in almost every action, they’re going to have to adjust. But the core…