Serena Williams, of the United States, follows through as she returns a shot during the second round of the 2014 U.S. Open tennis tournament, Thursday, Aug. 28, 2014, in New York. (AP Photo/Elise Amendola)
Serena Williams, of the United States, follows through as she returns a shot during the second round of the 2014 U.S. Open tennis tournament, Thursday, Aug. 28, 2014, in New York. (AP Photo/Elise Amendola)