France's Richard Gasquet returns the ball to Grega Zemlja of Slovenia during the Qatar ATP Open Tennis tournament in Doha, Qatar, Wednesday, Jan. 2, 2013.(AP Photo/Osama Faisal)
PERTH, AUSTRALIA - JANUARY 02: Novak Djokovic of Serbia reacts to missing a shot in the mixed doubles match partnered with Ana Ivanovic against Ashleigh Barty and Bernard Tomic of Australia during day five of the Hopman Cup at Perth Arena on January 2, 2013 in Perth, Australia. (Photo by Paul Kane/Getty Images)
BRISBANE, AUSTRALIA - JANUARY 02: Victoria Azarenka of Belarus celebrates winning a point during her game against Sabine Lisicki of Germany on day four of the Brisbane International at Pat Rafter Arena on January 2, 2013 in Brisbane, Australia. (Photo by Chris Hyde/Getty Images)
BRISBANE, AUSTRALIA - JANUARY 02: Sloane Stephens of the United States plays a forehand during her match against Sofia Arvidsson of Sweden on day four of the Brisbane International at Pat Rafter Arena on January 2, 2013 in Brisbane, Australia. (Photo by Matt Roberts/Getty Images)
LOS ANGELES, CA - JANUARY 1: Former tennis player John McEnroe attends a game between the Philadelphia 76ers and the Los Angeles Lakers at Staples Center on January 1, 2013 in Los Angeles, California. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2013 NBAE (Photo by Andrew D. Bernstein/NBAE via Getty Images)
