|Demontez Stitt and Joe Trapani|
The Tigers (17-7, 6-4 ACC) looked like they had this one wrapped up after Stitt's 3-pointer made it 59-42 with 8:22 to go. But the Eagles (15-9, 5-5) put together a 12-0 run to cut Clemson's lead to 59-54 with less than 5 minutes left.
But Tanner Smith had an uncontested layup and Andre Young followed with a short jumper to restore control for the Tigers.
Jackson finished with 27 points and Trapani 22 for the Eagles, who fell to 0-5 all-time at Littlejohn Coliseum.
Young had 15 points and Smith 11 for Clemson, which moved to 13-1 overall and 5-0 in ACC play at home this season. Grant finished 7 of 9 from the field and 3 of 3 from the foul line. He also added three blocks and a steal.
The Tigers won despite getting outrebounded 36-29 by the taller, more experienced Eagles, who started three seniors and a junior.
Clemson committed just seven turnovers and hit 17 of 22 foul shots to hold onto the lead.