Rossi renews Marquez rivalry

Italian Valentino Rossi chases his first win of the season and renews his rivalry with world champion Marc Marquez at home in the San Marino MotoGP as the motorcycling world championship series revs up again this weekend after the British Grand Prix washout. With seven races to go, Marquez is 59 points ahead of Rossi. Jorge Lorenzo and Andrea Dovizioso, the two Ducati riders who took the other podium places in the last two races, are 12 and 13 points further back