Mapp finished with 111 yards receiving for the Chanticleers (7-0, 1-0 Big South) and De'Angelo Henderson added 147 yards rushing and two TDs.
Demarcus Rouse ran 52 yards for a touchdown on Presbyterian's first possession, giving the Blue Hose a 7-0 lead. After 13 consecutive points gave Costal Carolina a six-point lead at the half, Heys McMath found Kris Hurley from 3 yards out early in the third, pushing the Blue Hose to their second and final lead of the game. However Ross' 34-yard strike to Mapp two minutes later gave the Chanticleers the lead for good.
Rouse finished with 145 yards to lead Presbyterian (3-3, 0-1). McMath added 215 yards and three scores through the air.