加藤大治郎
He moved to MotoGP in early 2003 to replace the late Daijiro Kato in Fausto Gresini's Telefónica Movistar team. However, he received little support within the team, especially as teammate Sete Gibernau challenged for the title, and failed to score much in the way of results. There were eight minor points finishes, leaving him 20th overall with a best of 11th.