Nadal's retirement - Tributes to Rafa from the world of tennis and sport - Gracias Rafa!

Nadal's retirement - Tributes to Rafa from the world of tennis and sport - Gracias Rafa!nAs Rafael Nadal calls time on his epic career, a pantheon of sporting greats have left tributes to the great man - including Roger Federer, Novak Djokovic, Andy Murray, Juan Martin Del Potro, Serena Williams, Conchita Martinez, Raul, Iker Casillas, Andres Iniesta, David Beckham, and Sergio Garcia.