Editor's note: These rankings are based on player production in terms of Hockey Prospectus' GVT valuation metric. If you are unfamiliar with GVT and how it works, you can find more here.
The 2011-12 season is under way, and Hockey Prospectus is back to monitor the Hart Trophy race. Periodically throughout the season, Prospectus will provide updated Player Power Rankings for the top-10 skaters and top-five goalies in the NHL based on HP's proprietary value metric, GVT, which includes offensive, defensive and shootout components.
While the season is still young, Phil Kessel is off to a stunning start, giving Toronto fans a lot to love after the much-derided trade that brought him in from Boston. Just one line lower on the early list is another name all too familiar for Leafs fans.