WASHINGTON -- Rashun Davis drained a 3-pointer with 1.5 seconds left in the second overtime and finished with a career-high 28 points, and Radford upset Georgetown 82-80 on Saturday in the season opener.

Davis' game winner came after he missed a pair of free throws with 39 seconds left. Georgetown's L.J. Peak missed a 3 at 14 seconds.

Cameron Jones, who made back-to-back 3-pointers down the stretch, added 20 points for the Highlanders.

Georgetown forced the first overtime when Isaac Copeland hit a 3-pointer with 36 seconds left and Peak followed with a steal and a layup but missed the free throw after he was fouled.

The Hoyas took a three-point lead early in the first overtime but Radford made layups on three straight possessions to go up by three. D'Vauntes Smith-Rivera made 1 of 2 free throws and a layup after a turnover to tie the game at 71.

Bradley Hayes had 19 points and 12 rebounds for Georgetown.