On the heels of a Federer early-round loss there ‘s always talk about when he’s going to retire, whether he’s lost his appetite for the competitive aspect of the sport and the possibility of the surprising defeat being the start of his downfall. Yesterday the mighty Fed Express lost against up-and-coming Kei Nishikori in a rollercoaster match that ended 4-6 6-1 2-6 (Fed’s numbers first). You could see in Fed’s …
