High Quality Content by WIKIPEDIA articles! The 2010 Italian motorcycle Grand Prix was the fourth round of the 2010 Grand Prix motorcycle racing season. It took place on the weekend of June 4–6, 2010 at the Mugello Circuit. Seven-time MotoGP world champion Valentino Rossi suffered a displaced compound fracture of his right tibia in free practice, while highsiding his Yamaha in one of the circuits fast corners. The resultant injury saw him lose any hope of retaining his 2008 and 2009 crowns.