Italy's biker Valentino Rossi, on his Yamaha, celebrates after winning the Argentina Grand Prix at Termas de Rio Hondo circuit, in Santiago del Estero, on April 19, 2015. Valentino Rossi survived a late battle with defending world champion Marc Marquez, who crashed with two laps to go.  AFP PHOTO / JUAN MABROMATA        (Photo credit should read JUAN MABROMATA/AFP/Getty Images)