Mere speculation with nothing concrete to base it on. No more Grand Slams? He was a break of serve away from stopping Federer's 15th slam record, the fifth set going 30 games. 30 games against, arguably, the best man to ever pick up a racquet. That was just 3-1/2 months ago. He reached the quarters at the Australian Open this year. He reached the 4th round at Roland Garros -- a career best at the French Open. And he's finished each year since 2002 in the top 10. Psha.