Rafael Nadal has revealed that he is not yet fit enough to return to action due to his current knee injury.
The Spaniard was forced to withdraw from the Olympic Games, where he was due to carry his country's flag, and he is continuing his recuperation.
Nadal has not played a competitive match since Wimbledon, when he set online gambling
markets aflutter with a shock second-round defeat to Lukas Rosol.
His long-standing knee problem has reared its ugly...