Granite Bay High School allowed a 10-play, 79-yard touchdown drive to open the game but didn’t allow a point the rest of the way in defeating visiting Napa 31-7 on Friday night in the first round of the Sac-Joaquin Section Division I playoffs.

The fifth-seeded Grizzlies (9-2) will be at home again next week for a quarterfinal against No. 13 Oak Ridge, which won at No. 4 Burbank 30-28.

A full report will be filed later tonight at www.rosevillept.com.

GRANITE BAY 31, NAPA 7

Napa               7   0   0     0 —   7
Granite Bay   10   0   7   14 — 31

Napa — Scheinholz 13 run (Herrera kick)
GB — FG 30 Bermudez
GB — Bertolino 50 punt return (Bermudez kick)
GB — Bird 2 run (Bermudez kick)
GB — Bird 3 run (Bermudez kick)
GB — Partridge 3 run (Bermudez kick)