Simplify the following text for a Grade 8 native English-speaking person.
Original: At SummerSlam , Angle and Guerrero were booked in a match , in which Angle defeated Guerrero after he forced Guerrero to submit to the Ankle lock .
Simplified: At SummerSlam , Angle and Guerrero were booked in a match , in which it saw Angle defeat Guerrero after he made Guerrero submit to the Ankle lock .