Romeo Crouch scored 12 points with nine rebounds and Davon Bell added 11 points with nine assists for the Blue Hose (11-17, 4-11 Big South Conference), who outscored the Panthers 28-20 in the paint and shot 11 of 21 from 3-point range (52.4 percent).
Crouch's tip-in put the Blue Hose up 44-43 and they led by 14 on Dillard's free throws with 4:41 left. The Panthers closed to 67-62 on Jahaad Proctor's 3 with 48 seconds left, but got no closer.
High Point took control early and led by as many as 11 in the first half before Dillard's 3-point play sparked a 13-2 run capped by Bell's layup to tie it at 29 at halftime.
Proctor scored 20 points for the Panthers (12-14, 7-8).
Mannion, who recently reclassified and is ESPN's No.11 overall player in the class of 2019, chose Arizona over Marquette.
He'll fit in with Sean Miller's plans for a faster tempo on offense.
Top recruits are starting to take their official visits, meaning it's time to make some predictions about where they're leaning.