Charlottesville, VA (SportsNetwork.com) - Ralph Sampson was in attendance for Thursday night's ACC showdown between No. 2 Virginia and Georgia Tech, but might've had mixed feelings.

His alma mater is still undefeated following another splendid defensive effort.

His son Robert, meanwhile, felt some of the brunt of that stingy Cavaliers Pack Line defense.

Malcolm Brogdon had 13 points and four assists as Virginia shut down the Yellow Jackets 57-28 to remain one of two unbeaten teams in the country.

Virginia (18-0, 6-0 ACC) held Georgia Tech to just 24.5 percent (12-of-49) shooting from the floor and didn't allow a 3-point basket (0-of-12). The Cavs are off to their best start since 1980-81, when Ralph Sampson helped them win their first 23 games.

"I think holding them at bay with those second chance points was significant. We really worked on playing good ball screen defense and contesting their shots. That combination helped us," UVA coach Tony Bennett said.

Marcus Georges-Hunt led the Yellow Jackets (9-9, 0-6) with just seven points. Robert Sampson was 1-of-6 from the field and finished with two points and seven rebounds for Georgia Tech, which is off to its worst start in ACC play since beginning 0-6 during the 2008-09 campaign.

The Cavaliers raced out to a 9-2 start and never looked back.

After Georges-Hunt nailed a jumper to get Georgia Tech within 13-10 midway through the opening half, Virginia ripped off the next 10 points as it clamped down defensively.

Justin Anderson drove in for a dunk, Brogdon converted a layup and Anderson knocked down a 3-pointer to cap the surge and stake UVA to a healthy 23-10 cushion late in the first half.

Georges-Hunt finally snapped the Yellow Jackets' 7:21 scoring drought with a layup.

Virginia led 28-16 at the break and was up by as many as 33 over the final 20 minutes en route to the easy victory.

Game Notes

The Cavaliers have won 21 straight home games ... Virginia has won eight of its last nine games against Georgia Tech ... The Yellow Jackets have dropped 18 of their last 20 contest against ranked opponents ... Georgia Tech made just five field goals in the second half.