Complex sentence: Further down the field, the Forti team introduced the revised version of its FG01 chassis for Roberto Moreno that lead driver Pedro Diniz had first driven at the preceding French Grand Prix.
Split into simpler sentences: Further down the field, the Forti team introduced the revised version of its FG01 chassis for Roberto Moreno. Lead driver Pedro Diniz had first driven the car in its revised specification at the preceding French Grand Prix.