Simplify the following text for a Grade 6 native English-speaking person.
Original: He drove in Formula One for the Toro Rosso team during the 2008 , and start of 2009 season , but was unable to translate his past successes to that competition .
Simplified: He drove in Formula One for the Toro Rosso team during the 2008 and 2009 seasons . He was unable to repeat his past successes .