The Australian is confident he can be even better on this year 's Ducati and expects new team mate Marco Melandri to push him hard .
The Australian won ten races last year en route to the title in only his second season in MotoGP .
The Australian , who won ten races last year en route to the title in only his second season in MotoGP , is confident he can be even better on this year 's Ducati and expects new team mate Marco Melandri to push him hard .