Marlboro led 3-0 at halftime, but Westlake's Ryan Duffy opened the second half with a 93-yard kickoff return, awakening his team.
Westlake, which improved to 9-2 under former Nyack High School head coach John Castellano, is set to face Section 2 champ Schuylerville at Dietz Stadium in Kingston Saturday at 3 p.m. Castellano came to Westlake after serving as head varsity football coach at Poughkeepsie High School.
The winner heads to the Carrier Dome for a state championship game.
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