![Yamaha MotoGP rider Valentino Rossi of Italy adjusts his helmet during the second free practice session of the Spanish Grand Prix in Jerez, southern Spain, May 1, 2010. Rossi is still suffering Yamaha MotoGP rider Valentino Rossi of Italy adjusts his helmet during the second free practice session of the Spanish Grand Prix in Jerez, southern Spain, May 1, 2010. Rossi is still suffering](https://c8.alamy.com/comp/2E7MDMK/yamaha-motogp-rider-valentino-rossi-of-italy-adjusts-his-helmet-during-the-second-free-practice-session-of-the-spanish-grand-prix-in-jerez-southern-spain-may-1-2010-rossi-is-still-suffering-back-pain-after-a-motocross-accident-earlier-this-month-and-does-not-expect-to-be-fully-fit-for-sundays-spanish-grand-prix-at-jerez-reutersmarcelo-del-pozo-spain-tags-sport-motor-racing-2E7MDMK.jpg)
Yamaha MotoGP rider Valentino Rossi of Italy adjusts his helmet during the second free practice session of the Spanish Grand Prix in Jerez, southern Spain, May 1, 2010. Rossi is still suffering
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Valentino Rossi: Nine-time world champion to retire at end of 2021 MotoGP season | Motor Racing News | Sky Sports
![Yamaha MotoGP rider Valentino Rossi of Italy races at the Portuguese Grand Prix in Estoril, October 4, 2009. REUTERS/Miguel Vidal (PORTUGAL SPORT MOTOR RACING Stock Photo - Alamy Yamaha MotoGP rider Valentino Rossi of Italy races at the Portuguese Grand Prix in Estoril, October 4, 2009. REUTERS/Miguel Vidal (PORTUGAL SPORT MOTOR RACING Stock Photo - Alamy](https://c8.alamy.com/comp/2E7R01G/yamaha-motogp-rider-valentino-rossi-of-italy-races-at-the-portuguese-grand-prix-in-estoril-october-4-2009-reutersmiguel-vidal-portugal-sport-motor-racing-2E7R01G.jpg)
Yamaha MotoGP rider Valentino Rossi of Italy races at the Portuguese Grand Prix in Estoril, October 4, 2009. REUTERS/Miguel Vidal (PORTUGAL SPORT MOTOR RACING Stock Photo - Alamy
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