With Edmonton this year, Hyman suddenly has as many playoff goals this year alone (seven goals) as Tavares has scored in four seasons with the Leafs (total playoff goals: also seven).
Not necessarily disagreeing with you, but what are the specific reasons for which you think Shanny and Dubas should be fired outside the obvious point that they have not produced a cup-winning team?
getting knock off the 1st round for 6 straight years, having bulk of the salary cap on four players. the garbage team has no depth, crappy defense and goaltending.
One of these things is not like the others, one of these things is just not the same.....! 
Who can guess the Canadian oddball? Go ahead Kyle, guess!
