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Valentino Rossi, also known as "The Doctor," is an Italian Motorcycle Grand Prix (GP) racer and a multi-time MotoGP, 125, 250, and 500 cc Grand Prix World
Why does everyone love Valentino Rossi? - Quora
Valentino Rossi: Everything You Wanted to Know About #46, 'The Doctor' the Greatest Rider Ever! - AGVSPORT
This Is Why Valentino Rossi Is Called the Doctor
AGV Helmet Archives - Asphalt & Rubber
Valentino Rossi: “Just Keep Calling Me The Doctor”
Valentino Rossi - Wikipedia
Valentino Rossi - Wikipedia
Valentino Rossi - Life of a Legend - Revised and Updated [Review]
AGV Helmet Archives - Asphalt & Rubber
Valentino Rossi - Biography of One of The Greatest Riders of All Time
Valentino Rossi - Wikipedia
Carry On Doctor - Valentino Rossi interview
14 Extraordinary Facts About Valentino Rossi
Why is motorcycle racing legend Valentino Rossi known as 'The Doctor'? Did he study medicine? - Quora
Why does everyone love Valentino Rossi? - Quora