Dan Martin’s 2013 Power Ranking #3 1.  Novak Djokovic – Nole is number one, and his strong showing in Dubai only underscores that point. 2.  Andy Murray – 2013 has brought Andy a Grand Slam runner-up finish and a 250 point title.  Still, it will be nice to see him in action again. 3.  Rafael Nadal – Rafa’s…