David Ferrer of Spain hits a return to Novak Djokovic of Serbia during their men's singles semifinal match at the 2012 US Open tennis tournament September 9, 2012 in New York. AFP PHOTO/DON EMMERT (Photo credit should read DON EMMERT/AFP/GettyImages)
TEN-US OPEN-FERRER
David Ferrer of Spain hits a return to Novak Djokovic of Serbia during their men's singles semifinal match at the 2012 US Open tennis tournament September 9, 2012 in New York. AFP PHOTO/DON EMMERT (Photo credit should read DON EMMERT/AFP/GettyImages)
TEN-US OPEN-FERRER-DJOKOVIC
Novak Djokovic of Serbia (2) reacts after winning against David Ferrer of Spain (4) during their 2012 US Open men's singles semifinals match at the USTA Billie Jean King National Tennis Center in New York on September 9, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/GettyImages)
TEN-US OPEN-FERRER-DJOKOVIC
Novak Djokovic of Serbia (2) reacts after winning against David Ferrer of Spain (4) during their 2012 US Open men's singles semifinals match at the USTA Billie Jean King National Tennis Center in New York on September 9, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/GettyImages)
TEN-US OPEN-DJIKOVIC-FERRER
Novak Djokovic of Serbia celebrates his 2-6, 6-2, 6-4, 6-2 win over David Ferrer of Spain during their men's singles semifinal match at the 2012 US Open tennis tournament September 9, 2012 in New York. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/GettyImages)
TEN-US OPEN-DJOKOVIC-FERRER
Novak Djokovic of Serbia (L) shakes hands with David Ferrer of Spain after their men's singles semifinal match at the 2012 US Open tennis tournament September 9, 2012 in New York. AFP PHOTO/DON EMMERT (Photo credit should read DON EMMERT/AFP/GettyImages)
2012 US Open - Day 14
NEW YORK, NY - SEPTEMBER 09: Novak Djokovic of Serbia celebrates match point during his men's singles semifinal match against David Ferrer of Spain on Day Fourteen of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 9, 2012 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Matthew Stockman/Getty Images)
TEN-US OPEN-WILLIAMS-AZARENKA
Former US tennis stars Andre Agassi (R) and Andy Roddick hug after Agassi was named the 2012 inductee into the US Open Court of Champions before the start of the women's singles final between Serena Williams of the US against Victoria Azarenka of Belarus at the 2012 US Open at the USTA Billie Jean King National Tennis Center in New York on September 9, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/GettyImages)
TEN-US OPEN-WILLIAMS-AZARENKA
Victoria Azarenka of Belarus reacts against Serena Williams of the US during the 2012 US Open women's singles final at the USTA Billie Jean King National Tennis Center in New York on September 9, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/GettyImages)
2012 US Open - Day 14
Serena Williams of the US celebrates defeating Victoria Azarenka of Belarus 6-2, 2-6, 7-5 in the 2012 US Open women's singles final at the USTA Billie Jean King National Tennis Center in New York on September 9, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/GettyImages)
TEN-US OPEN-WILLIAMS-AZARENKA
Victoria Azarenka of Belarus reacts to a shot against Serena Williams of the US during the women's singles final at the 2012 US Open tennis tournament on September 9, 2012 in New York. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/GettyImages)
2012 US Open - Day 14
Serena Williams at the 2012 US Open women's singles final at the USTA Billie Jean King National Tennis Center in New York on September 9, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/GettyImages)
TEN-US OPEN-WILLIAMS-AZARENKA
Victoria Azarenka of Belarus reacts against Serena Williams of the US during the 2012 US Open women's singles final at the USTA Billie Jean King National Tennis Center in New York on September 9, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/GettyImages)
2012 US Open - Day 14
Victoria Azarenka of Belarus returns against Serena Williams of the US during the 2012 US Open women's singles final at the USTA Billie Jean King National Tennis Center in New York on September 9, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/GettyImages)
2012 US Open - Day 14
Serena Williams reacts against during the 2012 US Open women's singles final at the USTA Billie Jean King National Tennis Center in New York on September 9, 2012. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/GettyImages)
Serena Williams
NEW YORK, NY - SEPTEMBER 09: Serena Williams of the United States celebrates match point after defeating Victoria Azarenka of Belarus to win the women's singles final match on Day Fourteen of the 2012 U.S. Open at the USTA Billie Jean King National Tennis Center on September 9, 2012 in the Flushing neighborhood, of the Queens borough of New York City. (Photo by Mike Stobe/Getty Images for USTA)