Rafael Nadal 's newest piece of equipment costs nearly a three-quarters of a million dollars, and yet it will probably never help him win a tennis tournament. According to Ariel Adams of Forbes ...

With his first US Open title in 2010, Nadal became the youngest man, at 24 years old, in the Open Era to win a career Grand Slam. He defeated Novak Djokovic in the final 6-4, 5-7, 6-4, 6-4, back when ...