MELBOURNE, AUSTRALIA - JANUARY 08: Roger Federer of Switzerland talks to former coach Tony Roche during practice ahead of the 2013 Australian Open at Melbourne Park on January 8, 2013 in Melbourne, ... more 

MELBOURNE, AUSTRALIA - JANUARY 08: Roger Federer of Switzerland talks to former coach Tony Roche during practice ahead of the 2013 Australian Open at Melbourne Park on January 8, 2013 in Melbourne, Australia. (Photo by Michael Dodge/Getty Images) less