Andy Murray wins US Open 2012

Britain's Andy Murray kisses the trophy after he beat Serbia's Novak Djokovic in the 2012 US Open men's singles final at the USTA Billie Jean King National Tennis Center in New York. (AFP Photo)

Andy Murray poses with the trophy after he won against Novak Djokovic in their 2012 US Open men's singles final match at the USTA Billie Jean King National Tennis Center in New York. (AFP Photo)

Andy Murray poses with Novak Djokovic after the championship match at the 2012 US Open tennis tournament. (AP Photo)

Andy Murray hugs Novak Djokovic following his victory in the men's singles final match of the 2012 US Open at USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the Queens borough of New York City. Murray defeated Djokovic 7-6, 7-5, 2-6, 3-6, 6-2. (AFP Photo)

Novak Djokovic reacts while playing Andy Murray during the championship match at the 2012 US Open tennis tournament in New York. (AP Photo)

Sir Alex Ferguson, manager of Manchester United smiles following Andy Murray of Great Britain's victory in men's singles final match of the 2012 US Open against Novak Djokovic at USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the Queens borough of New York City. (AFP Photo)

Kim Sears, Andy Murray's girlfriend smiles following his victory against Novak Djokovic in the men's singles final match of the 2012 US Open at USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the Queens borough of New York City. (AFP Photo)

Andy Murray celebrates after defeating Novak Djokovic. (AFP Photo)

Andy Murray wins US Open 2012

Novak Djokovic returns a shot during his men's singles final match of the 2012 US Open against Andy Murray at USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the Queens borough of New York City. (AFP Photo)

Andy Murray celebrates after a point during his men's singles final match of the 2012 US Open against Novak Djokovic at USTA Billie Jean King National Tennis Center in the Flushing neighborhood of the Queens borough of New York City. (AFP Photo)

Andy Murray returns a shot during his men's singles final match against Novak Djokovic. (AFP Photo)

Novak Djokovic returns a shot during his men's singles final match against Andy Murray. (AFP Photo)

Andy Murray plays a shot during his men's singles final match against Novak Djokovic. (AFP Photo)