![John Minchillo FILE - Mike Bryan, left, returns a shot as Bob Bryan looks on during a doubles match against Bradley Klahn, and Tim Smyczek, during the third round of the 2014 U.S. Open tennis tournament, Sept. 1, 2014, in New York. (AP Photo/John Minchillo, File)](https://mapi.associatedpress.com/v2/items/fa472977893a4b12b4165506cc279bc6/preview/preview.jpg?s=680x&wm=false)
FILE - Mike Bryan, left, returns a shot as Bob Bryan looks on during a doubles match against Bradley Klahn, and Tim Smyczek, during the third round of the 2014 U.S. Open tennis tournament, Sept. 1, 2014, in New York. (AP Photo/John Minchillo, File)
![David Vincent FILE - Russia's Maria Sharapova returns the ball to Italy's Karin Knapp during their third round match of the French Open tennis tournament at Roland Garros stadium in Paris, May 31, 2008. (AP Photo/David Vincent, File)](https://mapi.associatedpress.com/v2/items/36d57c7c4091430692e8cce8de6c4dc9/preview/preview.jpg?s=680x&wm=false)
FILE - Russia's Maria Sharapova returns the ball to Italy's Karin Knapp during their third round match of the French Open tennis tournament at Roland Garros stadium in Paris, May 31, 2008. (AP Photo/David Vincent, File)