NEW YORK — Without so many key players, and playing a busy schedule against quality opponents, the Red Wings keep earning early-season points. On Sunday at Madison Square Garden, they rallied from a first-period deficit to win, 3-2, in overtime on Dominik Kubalik’s sixth goal at 2 minutes, 43 seconds. The win lifted the Wings to 7-4-2 (16 points) on the season, with goaltender Alex Nedeljkovic earning the victory after several rough starts on the road. The Wings won three consecutive games over Washington, the New York Islanders and Rangers in a four-day stretch. This despite losing Filip Zadi…