Joe Pavelski scored for the Stars (34-16-8), who are 0-2-2 in their past four games. Jake Oettinger allowed three goals on 11 shots before being replaced in the second period by Scott Wedgewood, who made 18 saves.
“You can’t get 15 shots and win a game,” Dallas forward Matt Duchene said. “That’s very, very rare. You have to have a goaltender absolutely steal it for you, and we kind of hung ours out to dry at times by just not executing.”
Norris gave Ottawa a 1-0 lead at 4:10 of the first period. He got inside position on Derrick Pouliot and redirected Batherson's shot from the left point.
“We weren’t competitive enough,” Dallas coach Pete DeBoer said. “And this is a league where you have to earn your wins, and we’ve been pretty good about that all year, but we weren’t in the game tonight right from the drop of the puck.
“There’s good losses and there are bad losses, and this is about as bad a loss that you can have. We’ve got to respond.”
Pavelski tied it 1-1 at 19:50, finishing a rebound at the edge of the crease after he was cross-checked in the back by Jacob Bernard-Docker.
“This room had all the feel that we were going to play a really good game,” Pavelski said. “Coming in, you could tell the guys were there, and then we got out there and we got worse as the game went on.
“Tough one. They won a lot of battles. They were faster than us all night.”
Norris put Ottawa back in front 2-1 at 5:37 of the second period. He skated by Miro Heiskanen and into a lofted pass from Batherson before sneaking a shot five-hole on Oettinger.