The free agent class of 2012, both restricted and unrestricted, will present a fascinating set of circumstances in front of general managers all over the NHL. Coupled with the league's need for a new CBA, this could be a summer that is either incredibly painful or overwhelmingly thrilling for many cities.
However, between now and the first of July, every team has time to evaluate the players on their rosters that will need a new contract and will make a decision regarding the future of that player with their organization.
This list presents the player that each team must keep with a new deal at all costs this summer. Some are obvious, others aren't. But all are players that are vital to the health of their organizations moving forward.