Nick Bonino scored a power-play goal, and Matt Murray made 29 saves for the Penguins, but the Pens lost to the Ottawa Senators, 2-1, in a shootout Thursday night.
The loss snapped a three-game winning streak for the Penguins (46-17-10).
Pittsburgh is two points behind the Washington Capitals for first place in the Metropolitan Division, Eastern Conference and NHL. Washington defeated the Columbus Blue Jackets 2-1 in a shootout.
