PHILADELPHIA — Jayson Tatum scored 11 of his 25 points in the fourth quarter, including the dagger three-pointer to seal a Game 3 win over the Philadelphia 76ers and give home court advantage back to the Boston Celtics .  Here’s everything he said after Game 3, with added analysis from me.  On being comfortable in the clutch: “As you probably could imagine, we’ve just been in this scenario time and time again. Times we've fallen short and times we’ve succeeded. It's all about just learning from past experiences and whether it's the first play of the game or crunch time, it's just about making the right read and making the right play.” Analysis : I do think the Celtics still fall into “hero ball” mode a little too often, but at the same time, they have guys who are capable of making monster shots in moments like this. Tatum just turned 28 and is in his ninth season. He’s a bona fide NBA veteran with some massive moments under his belt.…