Glenbard South scored the first 33 points of the game, then held on for a 33-27 victory over Vernon Hills here on Saturday in the Round of 16 in the IHSA Class 5A prep football playoffs. The Cougars finished their season 8-3 while Glenbard South will face either Woodstock or Lakes in the quarterfinals next weekend. Early mistakes doomed the visitors, who used an interception and fumble recovery to post two early scores.