Temecula Valley was the only top-seeded CIF Southern Section Division 1 playoff team not to find victory in Tuesday's opening round of pool play. No. 11 Huntington Beach beat the No. 8-seeded Golden Bears 11-0. Star Jared Gringlinger allowed just one hit in six innings of work. Ely Mason and Dane Cunningham each hit homers in the convincing win. The rest of the top-seeded teams — which all hosted — won their matchups, but it didn't come easy. St. John Bosco went 11 innings with Cypress and prevailed 2-1 thanks to Moises Razo's walk-off RBI at home. The Braves are the defending D1 champs. Moises Razo RBI single with two outs in B11. Bosco 2, Cypress 1 pic.twitter.com/OvV68KIueW — eric sondheimer (@latsondheimer) May 13, 2026 Norco 8, Maranatha 7: No. 1-seeded Norco rallies back from down 7-3 to claim victory at home. The Cougars scored five runs in the sixth and seventh innings combined. Elijah Alvarez delivered a two-run walk off single.…