World MotoGP champion Jorge Martin will sit out the Grand Prix of the Americas after failing to recover from injury, having already been forced to miss the opening two races of the season.Six-time MotoGP champion Marc Marquez got the season off to a flying start in Thailand two weeks ago,

MotoGP world champion Jorge Martin says he could be out until the fifth round of the championship while he continues his recovery from surgery.

Injured MotoGP champion Jorge Martin could be sidelined until the fifth round of the championship as he has still not recovered from surgery, the Aprilia rider said on Thursday. Martin suffered a nasty crash in pre-season testing in Sepang where he fractured his hand and foot,