MELBOURNE, AUSTRALIA - JANUARY 09: Roger Federer of Switzerland hits a forehand volley ahead of the 2014 Australian Open at Melbourne Park on January 9, 2014 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)
MELBOURNE, AUSTRALIA - JANUARY 09: Roger Federer of Switzerland hits a forehand volley ahead of the 2014 Australian Open at Melbourne Park on January 9, 2014 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images)