Roger Federer of Switzerland, right, comforts Radek Stepanek of Czech after beating him during the third day of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Wednesday, Feb. 26, 2014. (AP Photo/Kamran Jebreili)
Roger Federer of Switzerland celebrates after he beat Radek Stepanek of the Czech Republic during the third day of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Wednesday, Feb. 26, 2014. (AP Photo/Kamran Jebreili)
Roger Federer of Switzerland reacts after he beat Radek Stepanek of Czech Republic during the third day of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Wednesday, Feb. 26, 2014. (AP Photo/Kamran Jebreili)
Switzerland's Dario Cologna competes during the men's 50K cross-country race at the 2014 Winter Olympics, Sunday, Feb. 23, 2014, in Krasnaya Polyana, Russia. (AP Photo/Matthias Schrader)