There have been a slew of trades this past week in the NHL, but the Philadelphia Flyers' trading of Morgan Frost and Joel Farabee to the Calgary Flames sticks out as different from the bunch.

The Stars addressed injury woes by acquiring Mikael Granlund and Cody Ceci from the Sharks. Follow this tracker for the latest NHL news.

The defense, and what is required from the position, changed dramatically in recent seasons. It wasn’t long ago that for a ...