Aprilia has confirmed that Jorge Martin has undergone surgery on his hand which was injured in pre-season training

World MotoGP champion Jorge Martin has been ruled out for an indefinite period of time after undergoing surgery for fractures to his left hand suffered in a fall, his Aprilia team announced on Tuesday.

World champion Jorge Martin will miss the opening MotoGP race of the season in Thailand at the weekend after suffering several fractures in a fall in training, his Aprilia team said. "Jorge Martin suffered a complex fracture of the radius,

MotoGP champion Jorge Martin will miss the season's first Grand Prix in Thailand after suffering a fracture to his left foot and a triple fracture to his left hand, his Aprilia Racing team said on Monday.

Reigning MotoGP champion Jorge Martin must have hand surgery for the second time in less than a month. The 27-year-old Spaniard suffered a broken right hand in a crash on day one of pre-season testing in Malaysia earlier this month.