League had 38 games in the past two years finish with a differential of 30 points or more.
Karina Provo scores four goals for Federal Way in a 6-0 take down of the Trojans.
Lanai Hurd's performance - 24 digs, 18 kills, and three aces - secures a win for the Garfield Bulldogs.
Royal Dotson-Goode runs in three touchdowns and throws for another in Renton's 56-36 loss to Steilacoom.
Skyline outlasted Mount Si in a 20-inning thriller that gave the Spartans a first-round bye in the KingCo tournament.
Kamiakin takes the team crown and Holy Names is second.
Auburn Mountainview took first place with 512 team points, with Owen Lempert earning first place in the 100-yard freestyle.
Enumclaw defeated Peninsula in a dual meet, 103-83.