Like most of you I've wondered if he is for a while. See the way he gets off his bike and walks to the back of the garage? That ain't no normal blokes walk.
Maybe it explains his speed. Running scared of being caught.
I've often thought the "his best mate" story was just a little too neat.
Watching the GP today, I noticed his mate Uccio was wearing what looked like a wedding ring. Rossi wasn't wearing a mtaching one (for obvious press reasons) but it adds weight to the rumour...