Five things to know about the NHL playoffs

The Edmonton Oilers, trying to put a positive spin on blowing a two-goal lead on home ice in Monday’s NHL playoff opener against the never-say-die Los Angeles Kings, insist there’s no reason to panic. Teams that lose the first game of a series tend to say these things.
The Oilers, who surrendered a power-play goal to Anze Kopitar with 17 seconds left in regulation time to force overtime, then lost the game on an Alex Iafallo power-play goal at 9:19 of the extra session.
The Oilers sa