David Ferrer chases down a ball during his quarterfinal loss to Novak Djokovic at the Australian Open. Djokovic next will play Andy Murray in a rematch of last year's final. (Associated Press)

David Ferrer chases down a ball during his quarterfinal loss to Novak Djokovic at the Australian Open. Djokovic next will play Andy Murray in a rematch of last year's final. (Associated Press)