Virginia Tech made sure there are no unbeaten teams left in Division I.

Malcolm Delaney scored 21 points and the Hokies held on to upset No. 1 Wake Forest 78-71 in Winston-Salem, N.C., last night.

Jeff Teague scored 23 points for Wake Forest (16-1, 3-1), which was playing as the nation’s top-ranked team for the first time since November 2004.

UConn 89, Villanova 83

In Hartford, A.J. Price scored a career-high 29 points to lead No. 3 Connecticut (17-1, 6-1 Big East) to its sixth straight victory.

UNC 94, Clemson 70

In Chapel Hill, N.C. Wayne Ellington had 25 points to help North Carolina beat Clemson, keeping North Carolina (17-2, 3-2 ACC)perfect in 54 home games against the Tigers (16-2, 2-2).

Oklahoma 72, Nebraska 61

In Norman, Okla., Blake Griffin had 27 points and 18 rebounds, and No. 6 Oklahoma (18-1, 4-0 Big 12) slugged out a win to become the first team in the nation with 18 wins.

N’western 70, Mich. St. 63

In East Lansing, Mich., Kevin Coble scored 31 points and Northwestern stunned No. 7 Michigan State, ending the Spartans’ 28-game home-court winning streak.

Hofstra 54, W & M 44

In Hempstead, Cornelius Vines scored 15 points and Hofstra (12-7, 4-4 Colonial) rallied for a win over William & Mary.