After two tough seasons at Ducati, where he claimed just three podiums, seven time MotoGP champion Valentino Rossi is returning to Yamaha - alongside newly crowned double champion Jorge Lorenzo - for 2013.

But what will be the minimum needed for 2013 to be a considered a success by Rossi?

It's a simple question, but not so easy to answer.

Vote from a shortlist of options below (after which you will see the present results).

What will be a success for Rossi in 2013?