Aprilia Racing has confirmed that Jorge Martin will miss the opening Thai GP round for his MotoGP title defense. Martin injured his hand in a preseason testing incident and will undergo surgery this week to correct the issue. This surgery is separate from his previous injury sustain on day one of the Sepang test earlier this year. He will be temporarily replaced by Lorenzo Savadori for the first round while he recovers. There are no current estimates on rehabilitation time as of yet.