Berglund leads Blues to 3-2 OT win over Stars
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.
Jake Allen made 22 saves for the Blues.