As U.S. Open favourite, Federer's late resurgence surprises even him

Even Roger Federer finds it all a little surprising. After going 4 1/2 years without collecting a major championship, now firmly in his mid-30s, he heads into Monday's start of the U.S. Open with a chance to win his third such trophy of 2017.

source CBC | Sports News http://ift.tt/2vsyTRM