Dawson Mercer also scored for the Devils (25-22-2), who bounced back from a 4-1 loss at home to the Carolina Hurricanes on Saturday. Jacob Markstrom made 21 saves.
“Whenever you get on a long road trip and get off to a good start and get the win, it definitely gives us a lot of motivation,” Mercer said. “It’s definitely a good start, and with a back-to-back tomorrow (at the Edmonton Oilers), it definitely gives us some life.”
Nazem Kadri scored for the Flames (21-23-5), who had won two straight. Cooley made 29 saves.
After a scoreless first period, Cooley denied Connor Brown on a short-handed breakaway at 5:47 of the second period by getting his glove on the New Jersey forward’s wrist shot to send the puck out of play.
“When he needed to make a save, like the breakaway chance, he made big saves at the right time,” Calgary coach Ryan Huska said. “Unfortunately, that happens sometimes. He goes for a poke check in overtime and missed on that, but he’s been a very good player for us.”
Mercer was able to give the Devils a 1-0 lead at 7:51 of the second. Situated at the right post, Mercer redirected a pass from defenseman Dougie Hamilton that hit Cooley’s arm before trickling across the goal line.
“I was trying to get it up and deflect it, kind of get it off my stick as quick as possible, because when you're in that tight you don’t want to give the goalie more time,” Mercer said. “Good thing it went over the goal line before he got that glove [on it].”