Penguins get the message and play a complete game, at last

Penguins center Matt Cullen, right, celebrates scoring a goal with right wing Patric Hornqvist, center, and left wing Sergei Plotnikov, against the Colorado Avalanche on Wednesday in Denver.DENVER — It took 11 days, four games, and one stern message to trickle down from their general manager.

The Penguins got the memo.

The club put together a complete game Wednesday night to close their swing out West with a 4-2 win against the Colorado Avalanche that evened the trip to 2-2.

History suggests the Penguins don’t rally from a deficit after two periods. A year ago, they lost every such game.

But Wednesday, despite being in that position, they stayed in the game, continued to create chances, got…