SIMI VALLEY, Calif. --Autopsy results were expected Monday for a 10-year-old Simi Valley boy who collapsed during football practice and later died.David Sumner was practicing with the Simi Valley Vikings when he collapsed on the field Thursday night.
- Related: Memorial for 10-year-old football player
- More: Most Popular stories, videos and more
- More: Get breaking news alerts
The fifth-grader underwent emergency surgery to relieve swelling on his brain, but was declared brain dead Friday.
An autopsy will determine the exact cause of death.