Alex Bogomolov Jr., of Russia, hits a return to Kei Nishikori of Japan, during a quarterfinal match at the U.S. National Indoor Tennis Championships on Friday, Feb. 14, 2014, in Memphis, Tenn. (AP Photo/Rogelio V. Solis)
Kei Nishikori, of Japan, reacts after missing a shot agianst to Alex Bogomolov Jr., of Russia, during a quarterfinal match at the U.S. National Indoor Tennis Championships on Friday, Feb. 14, 2014, in Memphis, Tenn. (AP Photo/Rogelio V. Solis)
Kei Nishikori, of Japan, stretches to hit a return to Alex Bogomolov Jr., of Russia, during a quarterfinal match at the U.S. National Indoor Tennis Championships on Friday, Feb. 14, 2014, in Memphis, Tenn. (AP Photo/Rogelio V. Solis)
Kei Nishikori, of Japan, hits a return to Alex Bogomolov Jr., of Russia, during a quarterfinal match at the U.S. National Indoor Tennis Championships on Friday, Feb. 14, 2014, in Memphis, Tenn. (AP Photo/Rogelio V. Solis)
Kei Nishikori, of Japan, hits a return to Alex Bogomolov Jr., of Russia, during a quarterfinal match at the U.S. National Indoor Tennis Championships on Friday, Feb. 14, 2014, in Memphis, Tenn. (AP Photo/Rogelio V. Solis)
Yuzuru Hanyu of Japan poses with the national flag after he placed first in the men's free skate figure skating final following the flower ceremony at the Iceberg Skating Palace during the 2014 Winter Olympics, Friday, Feb. 14, 2014, in Sochi, Russia. (AP Photo/Darron Cummings)
Yuzuru Hanyu of Japan reacts as he sits in the results area after the men's free skate figure skating final at the Iceberg Skating Palace at the 2014 Winter Olympics, Friday, Feb. 14, 2014, in Sochi, Russia. (AP Photo/Ivan Sekretarev)
Yuzuru Hanyu of Japan competes in the men's free skate figure skating final at the Iceberg Skating Palace during the 2014 Winter Olympics, Friday, Feb. 14, 2014, in Sochi, Russia. (AP Photo/Darron Cummings)