![Motor Sport magazine op Twitter: "After 9 world titles and 26 seasons, the greatest rider of his generation has announced his retirement. Valentino Rossi will leave the #MotoGP grid at the end Motor Sport magazine op Twitter: "After 9 world titles and 26 seasons, the greatest rider of his generation has announced his retirement. Valentino Rossi will leave the #MotoGP grid at the end](https://pbs.twimg.com/media/E8CJD42VoAsS1Xu.jpg)
Motor Sport magazine op Twitter: "After 9 world titles and 26 seasons, the greatest rider of his generation has announced his retirement. Valentino Rossi will leave the #MotoGP grid at the end
![Valentino Rossi: Nine-time world champion to retire at end of 2021 MotoGP season | Motor Racing News | Sky Sports Valentino Rossi: Nine-time world champion to retire at end of 2021 MotoGP season | Motor Racing News | Sky Sports](https://e0.365dm.com/21/08/2048x1152/skysports-valentino-rossi-moto_5469000.jpg)
Valentino Rossi: Nine-time world champion to retire at end of 2021 MotoGP season | Motor Racing News | Sky Sports
![MotoGP: Rossi Reunites With Championship-Winning Racebikes - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News MotoGP: Rossi Reunites With Championship-Winning Racebikes - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News](https://www.roadracingworld.com/wp-content/uploads/2021/11/Valentino-Rossi-with-his-title-winning-Yamaha-YZR-M1-racebikes.-Photo-courtesy-Dorna._1636660297-1024x683.jpg)