I know exactly what that is! It happens in nearly every EA Sports game(Madden,NHL especially). I call it the First Game Glitch. It occurs whenever you first turn on the game. The first game you play,it's like the CPU A.I. is playing maxed out. You can't run,passes are always broken up,nothing goes right for you. What I do is play a little part of a a game in play now,quit it then start your franchise/another play now game and the CPU A.I. will play according to how you've set up the sliders.