Javon Brisker makes an interception in the fourth quarter as Warren beats Stevenson on Friday to remain in first place in the North Suburban Conference and clinch a playoff berth.
Brisker, a senior linebacker for the Blue Devils (6-1, 5-0), is a younger brother of Chicago Bears safety Jaquan Brisker.
Warren had been in a three-way tie atop the conference with Stevenson (5-2, 4-1) and Lake Zurich (6-1, 5-0), its next opponent.
This story will be updated.
