If the corner sinks -- as taught -- the QB will throw to the flat .
If the corner squats on the flat route , then the QB will look to beat the defense by dropping the ball over the corner to the No. 1 WR .
If the corner sinks -- as taught -- the QB will throw to the flat , and if the corner squats on the flat route , then the QB will look to beat the defense by dropping the ball over the corner to the No. 1 WR .