I will tell you what changed in the 2nd half......Clemson got COLD!!!!!!
I was in section 123, front row, behind the goalpost. Just after the 2nd half started I see a white man about 50ish walking out from the corner tunnel, behind the endzone, toward the Clemson sideline. He was not wearing Tigers gear, looked like a stadium employee.
I leaned forward to see what he was carrying, and it was 2 portable heaters!! I stood up and yelled to him "Is Clemson getting cold over there?" The people around me all looked at me, and I said out loud to nobody special that Clemson needed heaters on the sidelines, they are getting cold. It was that moment that I knew we would win the game, and told my 7 year old son the same thing.
Also, regarding the flow of the game, remember that the Tigers had 4 big plays, all leading immediately, or subsequently to scores. The game should'nt have even been as close as it was.
The Ganz option pitch, when it was clear he was hoppled on a sore ankle, gets taken back for 6. The muffed punt-next play 56 yard TD pass before the Blackshirts have their helmets on. The pik returned deep in our territory, and the 4th play that escapes my memory at the moment. But if any of those mistakes dont happen, we are breathing alot easier in the 4th then we were.