Updating Monica's post:

I guess we can only hope for so long before Matt Cooke does what Matt Cooke does, per USA Today's Kevin Allen:

Key Colorado Avalanche defenseman Tyson Barrie left Monday's game after absorbing a knee-on-knee hit from the Minnesota Wild's Matt Cooke.

Barrie grabbed his knee after spilling to the ice and was unable to put any pressure on his left leg as he went straight to the dressing room.

The Avalanche announced that he wouldn't return to the game.

Cooke received a two-minute penalty for kneeing.

From SomeHockeyVideos, Ray Ferraro, on the TSN broadcast, told Gord Miller that Barrie said, "I'm done" as he skated by the bench: