Gilles Muller, of Luxembourg, returns a shot during the final match against Andy Roddick at the Atlanta Open tennis tournament, Sunday, July 22, 2012, in Atlanta. (AP Photo/John Bazemore)
Gilles Muller, of Luxembourg, returns a shot during the final match against Andy Roddick at the Atlanta Open tennis tournament, Sunday, July 22, 2012, in Atlanta. (AP Photo/John Bazemore)
