Well camera angle might have a little to do with it, but even if it is in the middle, that is still too far back. The ball for all irons should be just about 2 inches inside your left heel.

It is a myth the ball should be progressively moved further back with the shorter irons. What changes is the width of the stance. So that when you get to the LW, the ball appears to be in the middle of the stance. But in reality it is still just a couple of inches inside the left heel.