July 12 : Seven-time MotoGP world champion Marc Marquez completed a Sachsenring double with a commanding victory in Sunday's German Grand Prix, adding to his sprint race win and strengthening his position in the championship battle.The factory Ducati rider converted pole position into a comfortable victory after seeing two of his closest rivals crash out. Younger brother Alex Marquez, who had pressured him in the opening laps, crashed on lap 10, while VR46 Racing's Fabio Di Giannantonio — seen as one of Marc's biggest threats after qualifying third and finishing on Saturday's sprint podium — also failed to finish.The win was Marquez's 10th premier-class victory at Sachsenring, drawing him level with Giacomo Agostini's record at a single circuit. Once Alex exited, the Spaniard controlled th