7 signs from Murray's early years that proved he was a future No. 1: A career in pictures

7) Won his first Masters title at 21

Murray beat Djokovic at the finals of the Cincinnati Masters in 2008 for his first ever ATP Masters title

In 2008, Murray won his first Masters title in Cincinnati, defeating Novak Djokovic in the final in straight sets. In a battle of 21-year olds and future rivals, Murray earned a hugely significant victory, as Djokovic had beaten him four times in their last five encounters. This win made Murray a serious force to be reckoned with on tour.

And the rest, as they say, is history.