By JIMMY GOLEN Trevor Booker had 21 points and 13 rebounds, and Terrence Oglesby scored 18 of his 21 points in the second half to lead No. 12 Clemson to an 87-77 victory over Boston College on Tuesday night.Oglesby went 6-for-10 from 3-point range, one on a four-point play with 11:54 left to put the Tigers (20-3, 6-3 Atlantic Coast Conference) ahead for good at 61-57.