Pietrangelo, Arnott lead Blues to win over Flames

Alex Pietrangelo and Jason Arnott each 2 win over the Calgary Flames.

Andy McDonald recorded two helpers and Jaroslav Halak stopped 15 shots as the Blues recorded their first victory of the season.

Curtis Glencross and Jarome Iginla put the puck in the net for Calgary, which fell to 0-2 for the first time since the 2008-09 season.

Henrik Karlsson allowed five goals on 35 shots in the loss.