Ducati Rossi 2011 in Qatar

Ducati Rossi 2011 in Qatar is not so good, from the last game in Qatar, Valentino Rossi have not shown his best, is this because of an injury suffered? if you watch the match in Qatar, we can see a great battle between Stoner and Jorge Lorenzo. Stoner has shown his best, when the practice session in Qatar, Stoner also been several times to be the best and fastest rider, well, It's looks like