The Five Inch Course: Play better golf with the swing you already have..In 1960, the average golf score was 100. Fifty years later, with all the innovations in clubs, balls and instruction, the average golf score is ... still 100. In fact, only 20 percent of all golfers will ever (honestly) break that mark.More bad news: Barring a major investment in time and money, you're stuck with the swing you have. Tips from golf magazines, your buddies -- even the occasional lesson fr...