Los Osos 11, Vista Murrieta 3
Travis Tartamella went two for four with four RBIs and Brent King went one for one with a double, three walks and four runs scored for host Los Osos (10-4).
Peninsula 11, Glendale 1
Tyler Waddel was three for four with three RBIs and hit his fifth home run, Brett Mendoza was three for four with a solo home run and Maurice Wilhelm (2-0) had six strikeouts in four innings to lead Peninsula (9-5) past Glendale (8-7).
Sonora 5, Crescenta Valley 1
Blake Luitweiler (3-0) pitched a five-hitter with 12 strikeouts for Sonora (12-3), which will play Peninsula in the championship game Wednesday (4/7) at 7 p.m. at Stengel Field. Crescenta Valley is 8-6.
Rialto 3, Carmichael Jesuit 2
Quartz Hill 11, Lynwood 3
La Canada 6, Pacific 5
Hoover 11, Harvard-Westlake 2
LAS VEGAS DURANGO
Chatsworth 20, Sacramento Christian Brothers 4 (5 innings)
Willie Cabrera's three-run home run highlighted a 13-run fourth inning for No. 4-ranked Chatsworth (16-0) at Durango High. Cabrera was five for five. Matt Dominguez was four for four, including a two-run double and two run-scoring singles. Thomas Cassidy had a solo home run for Chatsworth, which improved to 3-0 in the tournament.
San Clemente 11, Fairborn (Ohio) 1 (5 innings)
Senior Jeff Parnes went two for two with two RBIs and two runs scored and junior Amon Luckey (1-0), recently called up from junior varsity, got his first win for No. 16 San Clemente (13-4).
North Las Vegas Mojave 19, Canoga Park 5