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Keith Srakocic, Associated Press
Pittsburgh's Ashton Gibbs (12) shoots a 3-pointer between Georgetown's Henry Sims, left, and Hollis Thompson, right, in the first half of an NCAA college basketball game on Saturday, Jan. 28, 2012, in Pittsburgh.

PITTSBURGH — Nasir Robinson scored 23 points and made all nine of his field goal attempts to lead Pittsburgh past No. 9 Georgetown 72-60 on Saturday.

Lamar Patterson added 18 points, seven assists and four rebounds for the Panthers (13-9, 2-7 Big East), who never trailed while improving to 12-0 against Top 10 teams at the Petersen Events Center.

Otto Porter led the Hoyas (16-4, 6-3) with 14 points and Henry Sims added 10 but Georgetown couldn't overcome a 17-point first-half deficit.

The Hoyas pulled within 55-49 with 4:09 remaining before Patterson fed Dante Taylor for a dunk and then hit Robinson for a wide-open layup to give the Panthers some breathing room.

When Ashton Gibbs hit a pull-up to push the lead to 61-49, the Panthers were on their way to a second straight win following a miserable eight-game losing streak.