ATLANTA -- Iman Shumpert matched his career high with 30 points and Georgia Tech held North Carolina to one of its worst offensive showings under Roy Williams to beat the Tar Heels 78-58 on Sunday night.
Glen Rice also matched his career high with 24 points as Georgia Tech (8-8 overall, 1-2 Atlantic Coast Conference) ended its three-game losing streak.
It was the seventh time in Williams' eight seasons that the Tar Heels scored fewer than 60 points. North Carolina also shot 27.6 percent, its worst shooting performance since shooting 25.7 percent against North Carolina State in 1955.
North Carolina's five-game winning streak ended as the Tar Heels (12-5, 2-1) committed 18 turnovers, leading to 25 points for Georgia Tech.
Exactly one year after setting his career scoring high with 30 points in a win over North Carolina, Shumpert enjoyed another game to remember against the Tar Heels. He blocked two shots and had three steals.
Shumpert and Rice, who had four 3-pointers, were Georgia Tech's only scorers in double figures.
As North Carolina's starters struggled early, Williams inserted five subs less than 3 minutes into the game. The second five made an immediate difference as the Tar Heels rallied from a 10-2 deficit for a 10-10 tie.
North Carolina's starters returned to the tie game but were still cold, and Georgia Tech led 22-12 when Williams again sent in the backups. North Carolina fans loudly cheered the move.
Henson scored the last five points of the first half as North Carolina cut the Yellow Jackets' lead to 33-32.
Tyler Zeller, who leads North Carolina with his average of 14.6 points per game, finally managed his first field goal less than 3 minutes into the second half. He finished with nine points.
Atlanta Hawks coach Larry Drew had a front-row seat behind the North Carolina bench to watch his son, Larry Drew II, the Tar Heels' starting point guard. The younger Drew had two assists and three steals. ... Leslie McDonald had 10 points for North Carolina.