Simplify the following text for a Grade 5 native English-speaking person.
Original: In 2010 De la Rosa drove for the newly-resurrected Sauber team . His team-mate at Sauber was Japanese driver Kamui Kobayashi who impressed at Toyota during the last two races of the 2009 Formula One season .
Simplified: For , de la Rosa was signed by the Sauber team to drive with teammate Kamui Kobayashi .