Simplify the following text for a Grade 12 native English-speaking person.
Original: Real Madrid were again victorious when Hampden Park hosted the 2002 UEFA Champions League Final , defeating Bayer Leverkusen , aided by Zinedine Zidane 's legendary `` wonder goal '' .
Simplified: Real Madrid were again victorious when Hampden Park hosted the final of the UEFA Champions League in 2002 , defeating Bayer Leverkusen , aided by Zinedine Zidane 's legendary `` wonder goal '' .