I think this might be related to the fact that teams are now more fearful to ice the puck then they were in the past because now they can't make a line change if they do. with most of the habs games being back and forth, when you get in a spot where the opposing team puts on a lot of pressure, you'll find we get sloppy, and thats where I think these bad changes come from.
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Canada Post: From anywhere....to anyone....literally
I seem to recall last night, the guys dumped the puck into Ottawa's zone and Emery played it over to the Habs bench, during the change and that is how we got burned. But I too noticed we get a lot of penalties for that: bad luck as it may have been last night, Julien needs to get a little better at that.