Roger Federer of Switzerland returns the ball to Lukas Rosol of the Czech Republic during a quarter final match of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Thursday, ... more 
Roger Federer of Switzerland returns the ball to Lukas Rosol of the Czech Republic during a quarter final match of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Thursday, Feb. 27, 2014. (AP Photo/Kamran Jebreili) less 
1 / 1
Associated Press | Photo By Kamran Jebreili
Thu, Feb 27, 2014 1:42 PM EST