The Calgary Flames earned their first win of the season on Tuesday, beating the Anaheim Ducks 4-2 at Honda Center, according to NHL.com.
Pospisil broke the tie at 15:38 of the third period. He scored from the left face-off circle off a rush, giving Calgary a 3-2 lead.
Yegor Sharangovich then sealed it by putting the puck into an empty net with 1:22 remaining, per NHL.com.
Aydar Suniev finished with a goal and an assist for the Flames, and Adam Klapka also scored. Dustin Wolf stopped 23 shots in goal.
The win moved Calgary to 1-5-0 and ended the longest losing streak to start a season in franchise history, NHL.com reported.
For Anaheim, Beckett Sennecke and Leo Carlsson scored, and Lukas Dostal made 32 saves. The Ducks are listed at 4-2-0 after winning 4-2 in Calgary on Saturday, their second straight victory going into this game.