Djokovic's first hat-trick at Australian Open

Novak Djokovic of Serbia (3rd L) poses in the locker room with the Norman Brookes Challenge Cup together with his coaching team and actor Kevin Spacey (4th L) after defeating Andy Murray of Britain in their men's singles final match at the Australian Open tennis tournament in Melbourne, Jan 27, 2013. [Photo/Agencies]

Former tennis player Andre Agassi of the US presents the Norman Brookes Challenge Cup to Novak Djokovic of Serbia after he defeated Andy Murray of Britain in their men's singles final match at the Australian Open tennis tournament in Melbourne, Jan 27, 2013. [Photo/Agencies]