Narbonne vs. Mater Dei

Narbonne’s Aaran Afalava, left, and Larry Seuga sack Mater Dei quarterback Ryan McMahon in the second quarter Friday night.  (Allen J. Schaben / Los Angeles Times)

Narbonne running back Johnell Jackson hugs the goal post in celebration of his third quarter touchdown against Mater Dei on Friday night.  (Allen J. Schaben / Los Angeles Times)

Narbonne High defensive end Aaran Afalava forces a scrambling Mater Dei punter Tim Strader to fumble the ball in the third quarter Friday night.  (Allen J. Schaben / Los Angeles Times)

Narbonne defensive lineman Sidney Watkins brings down Mater Dei running back J.C. Genova in the fourth quarter Friday night.  (Allen J. Schaben / Los Angeles Times)

Mater Dei running back Treavon Coley gets around Narbonne cornerback Aaron Corbins in the fourth quarter Friday night.  (Allen J. Schaben / Los Angeles Times)

Narbonne cornerback Aaron Corbin upends Mater Dei receiver Thomas Duarte in the fourth quarter Friday night.  (Allen J. Schaben / Los Angeles Times)

Mater Dei receiver Thomas Duarte tries to leap over Narbonne cornerback Aaron Corbin in the fourth quarter Friday night.  (Allen J. Schaben / Los Angeles Times)

Narbonne quarterback Troy Williams, center, celebrates with teammates during their 18-17 victory over Mater Dei on Friday night.  (Allen J. Schaben / Los Angeles Times)