Pittsburgh: Justin Schultz took a pass from Phil Kessel and buried it in the wide-open net 2:36 into overtime to give the Pittsburgh Penguins a 4-3 win over the Calgary Flames on Monday night. Tristan Jarry made several key stops for the Penguins early in the extra period, and Schultz’s fourth goal of the season helped Pittsburgh improve to 10-1 in overtime at home this season. Ryan O’Reilly and Zemgus Girgensons scored 2:05 apart in the second period, and Buffalo sent Toronto to their fourth straight loss 5-3. Elsewhere, Oscar Klefbom’s first goal in 34 games came in overtime, giving Edmonton a 4-3 victory over Arizona.