Hertl's big night included two goals in the second period and two more in the third and made him the first player in NHL history to scored six goals in the first three games of his career.
The Sharks outshot the visiting New Yorkers 47-20 and improved the Sharks record to 3-0.
Brad Richards staked New York to a 1-0 lead on a power-play goal at 3:27 of the first period. Derek Dorsett added a goal in the third period that trimmed San Jose's lead to 6-2.
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