Overview
- Unranked Orange Lutheran upset No. 3 St. John Bosco 20-19, sealed by a fourth-quarter interception return and a missed extra point in the final minutes.
- Santa Margarita handed previously unbeaten Sierra Canyon its first loss, 21-9, as Ryan Clark caught two touchdowns in a rain-soaked defensive battle.
- Mater Dei advanced with a 20-0 shutout of Mission Viejo, led by two Malachi Roby rushing scores and two sacks from Shaun Scott.
- Centennial routed Servite 41-6, setting semifinal matchups of Mater Dei at Centennial and Santa Margarita versus Orange Lutheran on Nov. 21.
- The results eliminated St. John Bosco and Sierra Canyon from both the CIF-SS Division 1 bracket and national-title contention, with the section final set for Nov. 28 at the Rose Bowl.