The top of the Eastern Conference looks about as expected — with Boston and Milwaukee currently neck and neck for the lead. Those fast starts have been anything but routine, however. The Celtics suspended their coach before the season even started, but under interim choice Joe Mazzulla, they’re now on a seven-game winning streak and have the best record in the NBA. The Bucks won their first nine games, but recently they’ve had to deal with Giannis Antetokounmpo’s occasional absences. They’ve won two of three when he’s been out. “It just shows our depth and how good of a team...