Pearl River defeated Mamaroneck 58-19, and Tappan Zee, 39-36, to win the Section 1 Duals quad meet Wednesday at Harrison.
Seventh grader Jack Chesman recorded a pin for Pearl River at 120 pounds, the final match against Tappan Zee, to beat the Dutchmen.
The Pirates advance to the quarterfinals at home against Suffern 4:30 p.m. Thursday.
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