Matt Roberts presents live coverage of Round 5 of the MotoGP season from the Circuit de Catalunya. Last time out in a rain sodden France, Jorge Lorenzo took the win ahead of Ducati's Valentino Rossi, while reigning champion Casey Stoner, who announced he will retire at the end of the season, finished in third. Can Stoner close the gap at the top of the standings or will Lorenzo stretch his championship lead? Show less