Newbill, who was also instrumental in the Nittany Lions' 71-70 win over the Buckeyes last month, sank 11-of-12 free throws for Penn State (14-14, 5-10 Big Ten), which notched its first season sweep of Ohio State since 1997-98.
Tim Frazier added 16 points, going 7-of-8 from the foul line.
The Buckeyes (22-7, 9-7) were led by LaQuinton with 19 points.
Aaron Craft contributed 10.
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