Spain's rider Marc Marquez of the Repsol Honda Team, front, steers his motorcycle followed by Italian rider Andrea Dovizioso of the Ducati Team at the MotoGP race during the Aragon...

Spain's rider Marc Marquez of the Repsol Honda Team steers his motorcycle after falling down during a warm up session for the MotoGP race at the Austrian motorcycle Grand Prix at t...

German driver Sebastian Vettel steers his Ferrari during the third free practice at the Monaco racetrack, in Monaco.

Mercedes driver Lewis Hamilton of Britain leads during the Spanish Formula One Grand Prix at the Barcelona Catalunya racetrack in Montmelo, Spain.

The 3 Motorcycle World Champions pose for a photo after the Valencia Motorcycle Grand Prix, the last race of the season, at the Ricardo Tormo circuit in Cheste near Valencia, Spain...

Italian rider Mattia Pasini of the Italtrans Racing Team falls from his bike at the Moto2 race during the Valencia Motorcycle Grand Prix, the last race of the season, at the Ricard...

Spain's Joan Mir sprays champagne as he celebrates on the podium after winning the Moto3 World Championship and the Australian Motorcycle Grand Prix at Phillip Island near Melbourn...

Spain's Moto2 rider Alex Marquez, right, falls from his Kalex as Italy's Stefano Manzi follows during a warm-up session ahead of the Australian Motorcycle Grand Prix at Phillip Isl...

German's Moto2 rider Marcel Schrotter falls from his Suter as Spain's Jorge Navarro rides past on his Kalex during the third practice session for the Australian Motorcycle Grand Pr...

German's Moto2 rider Marcel Schrotter falls from his Suter as Spain's Jorge Navarro rides past on his Kalex during the third practice session for the Australian Motorcycle Grand Pr...

Spain's MotoGP rider Pol Espargaro struggles to steer his KTM during the third practice session for the Australian Motorcycle Grand Prix at Phillip Island near Melbourne, Australia...

MotoGP winner Italy's Andrea Dovizioso holds up his trophy during the award ceremony of the MotoGP Japanese Motorcycle Grand Prix at the Twin Ring Motegi circuit in Motegi, north o...

Italy's Andrea Dovizioso steers his Ducati tailed by Spain's Marc Marquez on Honda on the way to winning the MotoGP Japanese Motorcycle Grand Prix at the Twin Ring Motegi circuit i...

Moto3 rider Jorge Martin of Spain steers his Honda leads the pack of riders at the MotoGP Japanese Motorcycle Grand Prix at the Twin Ring Motegi circuit in Motegi, north of Tokyo.