SportsNadal, Sharapova get French Open title defences underwayAFPMay 27, 2013May 27, 2013 by AFPMay 27, 2013May 27, 2013 PARIS: Rafael Nadal and Maria Sharapova begin their Roland Garros title defences on Monday while Jo-Wilfried Tsonga carries the burden of trying to end France’s...