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.

SEATTLE KRAKEN — Promoted D Gustav Olofsson from Coachella Valley (AHL). TAMPA BAY LIGHTNING — Recalled F Gage Goncalves and G Matt Tomkins from Syracuse (AHL). TORONTO MAPLE LEAFS — Reassigned LW ...

The defense, and what is required from the position, changed dramatically in recent seasons. It wasn’t long ago that for a team to have a great unit, the skaters needed to defend and send the puck up ...