The good news: The Chicago Blackhawks can afford a collapse like this. No harm done. Still, with the playoffs around the corner, the best team in the West wants to be clicking on all cylinders. This wasn't exactly what they had in mind. Defenseman Erik Johnson went coast-to-coast to score at 1:57 of overtime and the Colorado Avalanche rallied from a three-goal deficit to beat the Blackhawks 4-3 on Tuesday night.