Vancouver Canucks team president Jim Rutherford appears to be quite excited about acquiring Marcus Pettersson.

The NHL has seen multiple notable trades go down this week. And Adam Proteau has identified three major lessons we can take away from the deals.

After making noise in the trade market Friday by dealing defenseman Marcus Pettersson and forward Drew O'Connor to the Vancouver Canucks, the Pittsburgh Penguins are right back at it Saturday evening ...