ST. LOUIS, Mo. (AP) Patrik Berglund scored a power-play goal in overtime to lead the St. Louis Blues to a 3-2 win over the Dallas Stars on Saturday night.Berglund collected a rebound of Alex Pietrangelo's blast that bounced off the glass behind the Dallas net. Berglund's first goal gave the Blues their second win over the Stars this preseason.Pietrangelo tied the game at 2-2 on a power-play goal with 4:41 left in regulation.Jamie Benn and Alex Chiasson scored for Dallas, which had won two straight. It was Benn's second of the preseason.The Blues tied the game at 1-1 with 11:30 remaining in the second on Jaden Schwartz's goal. His score ended Dallas goalie Kari Lehtonen's shutout streak at 59:30. Lehtonen stopped 33 shots.Jake Allen made 22 saves for the Blues.