Originally Posted by Kropotkin
Oldest MotoGP champions:
1. Leslie Graham, 1949, 37 years 340 days
2. Phil Read, 1974, 35 years 208 days
3. Mick Doohan, 1998, 33 years 122 days.
Graham was the very first World Champion, racing in the post-war era, which society had necessarily been radically transformed. Read was the last of four-stroke champions, winning on an MV ahead of a horde of still-developing two-strokes. Doohan won his last title at younger age than Rossi is now.
The best years of a Grand Prix racer are between 23 and 29. Statistics are against Rossi.
Luckily, statistics don't win championships...
I am definitely not betting my house on my prediction.
ETA: I just wanted to be the first to pick Rossi.