Brian Dunn went four for five, including two doubles with three RBIs to lead Anaheim Canyon (1-0) over Anaheim (0-1).
Diamond Bar 6, Sonora 5
Jonathan Amaya had two RBIs, including a sacrifice fly in the bottom of the seventh inning to drive in the winning run for host Diamond Bar (1-0). Sonora is 0-1.
El Dorado 6, Riverside North 3
Mike Sanoval had two hits and two RBIs to lead El Dorado (1-0). Shaun Lane allowed one run over five innings for the win. North is 0-1.
El Toro 2, Los Alamitos 1 (9 innings)
Starter Joel Garcia pitched eight innings with 10 strikeouts and drove in the game winning run in bottom of ninth.
Edison 4, Irvine University 2
Jake Duehring drove in the game-winning run for Edison (1-0) in the fourth inning, while Cort Ross collected a pair of hits.
La Mirada 4, Cypress 1
Sheldon McGregor pitched a complete game for the win in the season opener for both teams.
Laguna Hills 6, Artesia 1
Freshman Alex St. Pierre pitched a complete game for the win. Josh Leite had two doubles and four RBIs for Laguna Hills (1-0). Artesia is 0-1.
Lakewood 8, Downey 0
Senior catcher Alex Van Horn drove in three runs in the fifth inning with a bases-loaded double and senior pitcher Danny Johnson pitched five shutout innings, struck out three batters and gave up two hits for host Lakewood (1-0). Downey is 0-1.
Long Beach Wilson 8, Fountain Valley 3
Senior right-hander Ryan Schlack pitched a five-hitter with five strikeouts and had three hits, including a two-run home run, for Wilson (1-0). Catcher Mike Ryan went three for three with a solo homer for host Fountain Valley (0-1).
Marina 3, Katella 1
Blain Whittemore singled in Robby McIntee with the go-ahead run in the seventh inning for Marina (1-0). Danny Gonzalez added insurance with a triple to drive in Whittemore.