Yamaha Racing welcomes home the seven time MotoGP champion -- the one and only Valentino Rossi. The Doctor is back where he won four of his titles in the premier road racing prototype motorbikes.

The Italian actually as nine racing titles as two of them came before he moved up to MotoGP (500cc in 2001).

With Rossi and the current champion, Jorge Lorenzo, the Yamaha works team will push for the constructors' championship. It will be fun to watch the two "rival" teammates go at it again for the coveted crown.