The Swiss maestro says the knee is feeling great, but not quite the same.
Tennis runs in Rafael Nadal's blood. And so does football.
The Frenchman had nice technique on this "air smash" but he forgot to hit the ball.
Former US Open champion will play Madrid, Munich in his first clay-court season in three years.
The 34-year-old is replaced by fellow Spaniard Marcel Granollers.
The Octagon-owned Biel/Bienne tournament will debut in April, 2017 at the Swiss National Tennis center.
Daniel Gimeno-Traver nearly took Pablo Cuevas out of his shoes with this sublime fake on Tuesday at Monte-Carlo
