Zachery Peacock made the go-ahead shot with 25.7 seconds left to rescue No. 20 Georgia Tech, which blew a 20-point first-half lead before holding on to beat No. 12 North Carolina, 73-71, on Saturday.
Iman Shumpert finished with a career-high 30 points to lead the Yellow Jackets (13-4, 2-2 Atlantic Coast Conference), who figured out a way to pull out a win after falling behind in the wild final minutes.
Peacock managed just six points, but his shot in the lane that rolled around the rim before dropping through ended up being the biggest play of Georgia Tech's first win in Chapel Hill since 1996.
Will Graves had 22 of his career-high 24 points in the second half to lead the Tar Heels (12-6, 1-2), but he missed a desperation 3-pointer at the final buzzer for the win.
No. 24 Clemson 73, North Carolina State 70: Trevor Booker scored 20 points and the Tigers held on to beat the host Wolfpack.
Tanner Smith added 11 points, including two late free throws, for the Tigers (15-3, 3-1 ACC). They never trailed but blew nearly all of a 21-point lead before coming up with two key stops in the final minute to end a streak of letdowns that dated to 1997-98.
Julius Mays had 17 points for the Wolfpack (12-6, 1-3), which trailed 71-70 and had the ball when Jerai Grant blocked Richard Howell's layup with about 35 seconds left. Smith hit his free throws with 18.6 seconds left and N.C. State called its final timeout.
No. 25 Florida State 63, Virginia Tech 58: Solomon Alabi and Deividas Dulkys scored 13 points apiece as the host Seminoles survived a furious last-minute Hokies finish for a victory that ended a two-game ACC losing streak.
Florida State (14-4, 2-2) led by 10 points before Dorenzo Hudson's layup with 37 seconds left cut the Seminoles' lead to 57-49.
Towson Catholic alumnus Malcolm Delaney, who came into the game leading the ACC in scoring, led Virginia Tech with 23 points and Hudson finished with 19.
Virginia 75, No. 23 Miami 57: Sylven Landesberg scored 18 points and the host Cavaliers won their seventh straight game and remained the only unbeaten team in the ACC with a victory against the Hurricanes.
The Cavaliers (11-4, 3-0 ACC) improved to 3-0 against ranked teams, holding the Hurricanes (15-3, 1-3) to 31.5 percent shooting and finally pulling away in the final minutes.
Mustapha Farrakhan scored 13 points and Sammy Zeglinski and Mike Scott each had 10 for Virginia.