Gianni Morbidelli, who was Ferrari's test driver, will replace Nicola Larini at Sauber this weekend in Barcelona and the rest of the season.
Larini will now be Ferrari's test driver, this was announced by Ferrari.
Ralf Schumacher also announced that he would stay with Jordan. Benetton had stated that they were interested in him but the German said he will stick to his Jordan contract.