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.

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.

Jorge Martin, a MotoGP champion, will miss the Thailand Grand Prix due to fractures in his left foot and hand sustained during training. He will undergo surgery to stabilize the injuries. Lorenzo Savadori will replace him for the race.

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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,