The tennis expert feels Murray will eventually overtake his arch - nemesis .
Murray may have to wait until 2017 to do it in order to take Murray 's place among the ' Big Four ' with Djokovic , Roger Federer and Rafael Nadal .
The tennis expert feels Murray will eventually overtake his arch - nemesis , but he may have to wait until 2017 to do it in order to take his place among the ' Big Four ' with Djokovic , Roger Federer and Rafael Nadal .