French striker doubtful after sustaining an injury to the semitendinosus muscle in his left leg, his club says. Real Madrid striker Kylian Mbappe is doubtful for the upcoming El Clasico match against Barcelona after the club confirmed he had sustained a thigh injury during his last outing. Mbappe’s injury was confirmed by Real Madrid in a statement on Monday, less than two weeks before the May 10 fixture, which is the biggest match in Spanish domestic football. Recommended Stories list of 3 items list 1 of 3 What are five key issues 50 days ahead of the World Cup? list 2 of 3 Injured Salah has played his last game for Liverpool: Egypt team official list 3 of 3 Prize money for World Cup, fees for all 48 teams to be increased: FIFA end of list “He has been diagnosed with an injury to the semitendinosus muscle in his left leg,” the club said after the league’s leading goal scorer went off hurt during Madrid’s 1-1 draw against Real Betis in La Liga on Friday.…