Juan Del Potro is enjoying tennis again after nearly retiring
(LA Times NBA)

Watching Juan Martin del Potro the last few years became an exercise in wondering what might have been. Starting with the 2005 French Open and running through the 2013 U.S. Open, Del Potro was the only man to win a Grand Slam event other than the `Big Four` of Roger Federer, Rafael Nadal, Novak...