Jorge Lorenzo wants changes to MotoGP's penalty system, fearing the current set-up is not a big enough deterrent, after being taken out of the Catalunya Grand Prix by Andrea Iannone.The Ducati rider will start the next race at Assen from the rear of the grid, as a penalty for collecting...

MotoGP is to introduce a new stewards' panel to rule on rider infractions in the wake of the Valentino Rossi/Marc Marquez controversy at the end of 2015.The championship's penalty system came under scrutiny amid the controversies in last season's title fight, with Rossi given three penalty points for his clash...