When a new ice surface goes in it needs a heavy skate on it to "break it in". I don't exactly know what this does, but it helps.
Thus, on Friday some (one) current and former Boston Bruins put on the Winter Classic jersey and took to the Fenway ice.
Judging by photo evidence the only actual current Bruin skating was Milan Lucic.
I was curious as to how the yellow would look on the ice, but judging by these pictures it seems not to be an issue. Also, the jersey makers do test to make sure they look good. Now the only question is how will they look outside against the Flyers' whites?