Lorenzo takes pole for US MotoGP Jorge Lorenzo takes pole position for the US MotoGP but the Spaniard also suffers a heavy fall, as does third-fastest rider Casey Stoner. Matt Roberts' Laguna practice report Nicky Hayden's 4 July weekend celebrations get off to a stumbling start in California Injured Kallio will miss US race Mika Kallio will miss the next round of the MotoGP world championship at Laguna Seca after suffering a nasty hand injury in the Dutch Grand Prix at Assen. Rossi earns 100th career victory Valentino Rossi takes a clear lead in the MotoGP world championship standings after his 100th career win at the Dutch MotoGP at Assen. Nicholls returns to Witches team Ipswich Witches announce the return of Scott Nicholls, replacing Jarek Hampel who has quit British speedway for the rest of the season. Crump claims British GP in style Jason Crump makes history by winning the British Speedway Grand Prix in Cardiff - the 21st GP win of his career. Simoncelli confirms MotoGP switch Reigning world 250cc champion Marco Simoncelli will compete in MotoGP with the San Carlo Honda Gresini team in 2010. Rea clinches first Superbike win Jonathan Rea celebrates his first win at World Superbike level in Sunday's round in San Marino. TT sidecar crash 'caused by hare' A crash that left TT sidecar duo Nick Crowe and Mark Cox seriously injured may have been caused by a hare, their team says. Peugeot seal Le Mans glory Peugeot finish first and second in the Le Mans 24-hour race to end Audi's five-year domination of the event.