Roger Federer, David Foster and the “Backhand Boys” go viral
  • 4 years ago
Tennis superstar Roger Federer's rendition of Chicago's “Hard to Say I'm Sorry” along with fellow tennis players Grigor Dimitrov and Tommy Haas has gone viral.
The video also features world renowned producer David Foster on the piano and a surprise cameo by Novak Djokovic. The video, which was posted on Federer's Facebook account, has gotten 10 million views so far.