I didn't watch the game live, but I did see the highlight (lowlight?) where Strong was flagged and Oklahoma State was able to hit a field goal.
Apparently the officiating was bad. Remember the Titans bad.
Calling the officials corrupt is a very serious accusation, but it seems Texas, Oklahoma State, and neutral fans all agree the officiating was absolutely terrible.
Personally I have a hard time believing that the game could have been fixed, but there were a ton of questionable calls in the game.