Davis gave up only one hit, a run, walked two and struck out two. He improved to 5-0 and holds a 1.12 ERA.
Huntington upped its overall record to 9-2.
"We put together a complete game for the first time this year," Huntington Coach Benji Medure said. "Los Al had their big pitcher [Jacob Nix] going, so it was nice to see our guys hit him around like that. That should help us this week against Newport and their D-1 pitchers."
In a battle between two teams that then were 3-0 in league April 2, Huntington rallied back from a 2-0 deficit against Edison by scoring the final three runs to pull out a 3-2 win against the visiting Chargers. Senior Sean O'Toole (1-0) got the pitching win.
Huntington this week has taken over the top spot in the CIF Southern Section Division 1 top 10 poll, which was released by the Southern Section office Monday. The Oilers replace defending division champion Harvard-Westlake, which slipped to No. 3 this week.
•Fountain Valley got its offense untracked its last three games, scoring 21 total runs in two wins last week over Marina (14-1) and Edison (7-1). The Barons, on a three-game league win streak, improved to 4-1 in league and 8-4 overall.
Fountain Valley previously routed Newport Harbor, 10-0, March 28.
In Friday's 7-1 win over seventh-ranked Edison, senior Junior Aguilar went three for four with two RBIs, and junior Willie Aguilar went two for four with an RBI. Senior Scott Schultz ran his record to 3-0, giving up one earned run in five innings pitched.