The Copper & Blue, an Edmonton Oilers community

Who are the most effective General Managers in the NHL? Rolling averages in Marginal Playoff Efficiency since the lockout can tell us.

Marginal Cap Efficiency is one measure of NHL General Managers' effectiveness. Who was the best and worst in 2010-11?

Doug Wilson is one of the most efficient GM's in the NHL. The Copper & Blue look at the hows and whys.

Player performance is easy to measure with statistics, but what about management? Marginal Cap Efficiency helps us to determine what sort of job General Managers have done.

The Calgary Flames have been nothing but average for the past five seasons. They're led by Darryl Sutter, who himself has been nothing but average since 2005.