Joffrey Lupul

What we learned in the NHL

What we learned in the NHL

Lessons learned from the last week of NHL play:

• A 4-0-2 surge had the New York Rangers hitting stride before they got a three-day break. They have a four-game winning streak at Madison Square Garden and outscored opponents, 15-3, in that span. Norway-born Mats Zuccarello recorded a hat trick against Toronto on Friday after being reunited with early-season linemates Rick Nash and Derick Brassard. The Rangers return to the ice Tuesday at home against Washington.

• Last season, the Calgary Flames were the NHL's darlings, a young team that staged many spirited comebacks. Not so much this season, although they pulled out a 5-4 victory over Edmonton on Saturday....