Simplify the following text for a Grade 9 native English-speaking person.
Original: Former Minardi drivers who have gone on to win Grands Prix include Alessandro Nannini , Giancarlo Fisichella , Jarno Trulli and Mark Webber while Alex Zanardi went on to win two Champ Car titles , and both Justin Wilson and Christian Fittipaldi have won races in premier North American open-wheel competition .
Simplified: Former Minardi drivers who have gone on to win Grands Prix include Alessandro Nannini , Giancarlo Fisichella , Jarno Trulli and Mark Webber . Alex Zanardi , who drove as a substitute driver for Minardi in , went on to win two Champ Car titles .