Italy's biker Valentino Rossi (C) of Yamaha celebrates on the podium after winning the Argentina Grand Prix at Termas de Rio Hondo circuit, in Santiago del Estero, on April 19, 2015 along with Italian Andrea Dovizioso (L) of Ducati, who came home second and British Carl Crutchlow of Honda who came third. 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)