The NHL's free-agency period has already changed the complexion of many teams. Some franchises, like the Chicago Blackhawks, are still in the process of building their squad. But many have filled out their rosters and are just about ready for 2015-16.
Are the Blackhawks, the NHL's defending champions, still the best in the league? What about the New York Rangers, last season's Presidents' Trophy winners? Are they still the top club, at least by regular-season standards? How did some of the league's worst teams improve after the draft and free agency?
This special edition of the power rankings looks at where franchises stand as of now.