MELBOURNE, AUSTRALIA - JANUARY 31: Novak Djokovic of Serbia poses with the Norman Brookes Challenge Cup at the Melbourne Cricket Ground on January 31, 2011 in Melbourne, Australia. (Photo by Clive Brunskill/Getty Images)
MELBOURNE, AUSTRALIA - JANUARY 31: Novak Djokovic of Serbia poses with the Norman Brookes Challenge Cup at the Melbourne Cricket Ground on January 31, 2011 in Melbourne, Australia. (Photo by Clive Brunskill/Getty Images)