And superstitious '12+1' world champion Nieto - six times ruler of the 50cc class in addition to seven 125cc titles - played a central part in Rossi's post-race celebrations.
Both Marco Melandri and Ducati Marlboro team-mate Casey Stoner chose to pit for their wet weather bikes, after suffering mechanical problems with their number one machines.
The French Grand Prix will be held at Magny-Cours for the final time this year - and likely not at all in 2009 - Bernie Ecclestone has confirmed, with a push for the race to be moved to Paris for 2010.