Stories like this amaze me. Yes, in theory, it is a simple gesture and the right thing to do. But, in reality, during the high intensity and blazing speed of a professional match and you are inside your opponent's 18 yard box, having the iron-clad resolve and unerring fairness to tell the referee AFTER he's awarded a penalty kick to you that you were actually not fouled and the tackle was fair and good, is more than respectable. It's admirable. It is pretty much giving up a free goal, which is monumental. Check it out here.