Power rankings: Federer resting, remains No. 1

st1a*{} --> table.MsoNormalTable { font-size:10.0pt; font-family:"Times New Roman"; } --> Roger Federer has not been spotted on the ATP Tour since the U.S. Open final – and don't be too surprised if he takes his extended break all the way into the New Year. The world No. 1 took time off after his defeat to Juan Martin del Potro at Flushing Meadows to rest up and spend time with his young family, yet was expected to return for the Paris Masters and the year-ending ATP Tour finals in London. However, rumors out of Switzerland have suggested that Federer is considering keeping a low profile until January in order to be fully fresh and ready for 2010. It would be a controversial move if Federer decided to skip the Tour finals, and one that would likely bring sanctions from the ATP unless he could prove he was injured. Rafael Nadal, then atop the rankings, pulled out last year. Federer's year has been outstanding but it is understood he has made regainin...