Still a few concerns for Edmonton Oilers this season

When you score 33 goals in eight exhibition games and you win more pre-season games (six) than anybody else in the NHL, maybe it’s a tad tacky to critique the Edmonton Oilers.
But what’s on coach Todd McLellan’s mind with the first regular-season game Wednesday at Rogers Place against the Calgary Flames? Here’s some niggling concerns and things McLellan learned.
1. In the two games where the Oilers dressed an NHL lineup against teams that did the same — Carolina Hur