Mark Whicker: Sharks are a constant in the volatile NHL

ANAHEIM — The NHL salary cap practically legislates against consistency. If the season had ended Saturday, three of the Western Conference playoff teams would be new ones, including the Vegas Golden Knights, who of course are brand spanking new — and spanking the whole league.
As someone pointed out on social media, the Knights have won 31 games. The Ottawa Senators didn’t win their 31st game until late April. — of their third season in the NHL.
Edmonton, thought to be le