Marcus Dawson broke loose on scoring scampers of 47 and 75 yards in the first quarter Saturday as Spring Valley scored on each of its first four possessions and rolled to a 48-0 win over visiting Western.
Quarterback Christian Tasi got into the act next with a 94-yard TD dash. He then hooked up with Anthony Vasquez for a 25-yard scoring toss, and the Grizzlies (3-2, 2-1 Sunset) led 27-0 at halftime.
Dawson finished with 125 yards on three carries. Antonio Wallace had 71 yards and a touchdown on nine rushes.
Tasi picked up 129 yards rushing, and completed 3 of 7 passes for 28 yards.
Western (0-5, 0-3) finished with minus-67 yards on the ground.
The Warriors did move the ball through the air, as Wyatt Rozea completed 17 of 36 passes for 199 yards. He threw three interceptions.
Kwan Carter hauled in six passes for 78 yards, and Miles Snyder caught four passes for 63 yards.
Michael Bianco and Lovell Taylor scored the final two TDs for Spring Valley.