John Klingberg had a no good, very bad start to the season. The veteran presence he had played with since making the jump to the NHL was no longer there, forcing Klingberg into a new role: that of a #1 defensemen responsible for going up against the highest levels of competition and playing a heavy dose of minutes each night. The adjustment proved to be harder than most anticipated.
His struggles with puck protection on the power play and in overtime have led to plenty of goals against this season. It should be noted that it is not just Klingberg that has struggled on defense this season — but Klingberg seems to have attracted the most amount of wrath from the fanbase for the mistakes he has made.