Headgame by Dan Bergevin Once you see your own potential as a headgame, you will discover exactly what you are capable of, and find ways to go beyond what is currently possible to achieve what you never imagined. While my position may be debatable, my primary concern isn’t to argue semantics or matters of opinion. I prefer to take a utilitarian approach, and introduce you to a field of science that can change your life forever. This is the science of sports psychology. 1