Simplify the following text for a Grade 10 native English-speaking person.
Original: At WWE 's previous pay-per-view event , Armageddon , Hardy had defeated defending champion Edge and Triple H in a Triple Threat match , a standard match involving three wrestlers , to win the WWE Championship .
Simplified: At WWE 's last pay-per-view event , Armageddon , Hardy defeated Edge and Triple H in a Triple Threat match , a match with three wrestlers , to win the WWE Championship .