Reese White scored on a late go-ahead 4-yard touchdown run and undefeated No. 15 Coastal Carolina remained atop the Sun Belt East Division with a 34-23 win over visiting Appalachian State on Saturday in Conway, S.C.Grayson McCall threw for 200 yards with two touchdowns and ran for a 62-yard score as the Chanticleers (8-0, 6-0 Sun Belt) continued their special season by beating Appalachian State (6-2, 4-1) for the first time in seven tries. Coastal outscored the Mountaineers 25-6 in the second half.App State’s Camerun Peoples ran 27 times for 178 yards with a touchdown, but gained just nine of those yards in the second half.Trailing 23-21 in the fourth quarter, Coastal’s Alex Spillum intercepted Zac Thomas (17 of 29 for 211 yards, one touchdown, three interceptions) with about seven minutes left to play. The Chanticleers capitalized when White spun himself into the end zone with 2:24 remaining to make the score 27-23 after a failed 2-point conversion try.The hosts put the game away when D’Jordan Strong picked off another Thomas pass and returned it 38 yards for a touchdown.Trailing 17-9 at halftime, Coastal got back into the game with McCall’s touchdown scamper out of the gate in the third quarter. Appalachian State made it 20-15 after Chandler Staton’s 36-yard field goal capped its first drive of the second half.