Following a field goal for the Pioneers (2-9), Roberson connected with Kylish Hicks for a 14-yard score in the closing seconds before halftime.
Brett Buckman got the last touchdown on an 11-yard pass in the fourth quarter.
Roberson was 22-of-34 passing for 201 yards. The Huskies had 407 yards with Cam Edwards rushing for 90 yards.
Rob McCoy was 17-of-26 passing for 146 of the Pioneers’ 224 yards.