Richmond-Burton 56, Stillman Valley 6: Richmond-Burton scored four touchdowns on its first six plays Saturday in a runaway win over Stillman Valley in their Class 4A second-round playoff game. The Rocket carry a 31-game winning streak into a quarterfinal matchup against Chicago Phillips.

[ Photos: Richmond-Burton vs. Stillman Valley ]

Friday’s results

Jacobs 17, Normal 7: Jacobs’ offense has put up big points all season, but against Normal on Friday it was the defense that shined brightest in a Class 7A second-round playoff victory. The Golden Eagles had three turnovers and allowed 233 total yards in the victory.

[ Photos: Jacobs vs. Normal football ]

Cary-Grove 55, Grayslake Central 27: Nick Hissong scored four times, Toby Splitt recorded a pick-six, and Cary-Grove routed Grayslake Central on its way to the Class 6A quarterfinals.

[ Photos: Cary-Grove vs. Grayslake Central football ]

Crystal Lake Central 14, Deerfield 7: Deerfield needed just two plays to take the lead Friday, but the Tigers defense put the clamps down from there to earn a victory in their Class 6A second-round matchup.

[ Photos: Crystal Lake Central vs. Deerfield football ]

Prairie Ridge 49, Wauconda 20: Prairie Ridge set the tone early, getting its triple-option offense in gear from the opening play. The Wolves rolled up 343 yards rushing on 31 attempts in the first half alone.

[ Photos: Prairie Ridge vs. Wauconda football ]