Anthony Camerlo/Unsplash Legendary 18-time major winner Jack Nicklaus once stated golf was “90% mental and 10% physical”. That’s because unlike most other ball sports, a golfer spends most of the time thinking about their game instead of actually playing it: the contact time a player has with the ball is minuscule compared to the time spent planning the next shot, or frustratedly replaying a previous wonky hit. This can take a toll on even the best players – who can forget Greg Norman’s 1996 US