MERCER 78, DUKE 71 RALEIGH, N.C. — Jakob Gollon scored 20 points and Mercer pulled off the biggest upset in the NCAA tournament so far by knocking off Duke 78-71 on Friday in the second round. The 14th-seeded and senior-laden Bears scored 11 straight points during the late 20-5 run that clinched the biggest victory in school history. It was the second one-and-done in three years for the third-seeded Blue Devils.