Whittier Christian 4, Downey Calvary Chapel 1
Whittier Christian is 8-9, 3-2. Calvary Chapel is 1-2 in league.

ARROWHEAD LEAGUE

Boys Republic 18, CSDR 3
Michael Frederick hit a grand slam, Jeremy Outlaw went four for four with three runs scored, Daniel Otis went three for three with three runs scored and Chris Cook went three for four with two runs scored to lead visiting Boys Republic (7-7, 4-0).

BASELINE LEAGUE

Alta Loma 13, Upland 7
Jason Rodriguez had four hits, scored three times and drove in two runs and Jared Caraddick had two hits, including a three-run triple, for Alta Loma (10-11, 5-5). Matt Ochoa had two hits and drove in a run for Upland (3-7 in league).

Rancho Cucamonga 14, Los Osos 2
Corey Woodring was two for four with a double, two RBIs and one runs scored to lead visiting Rancho Cucamonga (15-6, 8-2). Travis Tartamella went two for two with a double and one run scored for Los Osos (12-8, 5-5).

CAMINO REAL LEAGUE

Gardena Serra 4, Cathedral 1
Hector Compos went two for three with one run scored and David Leyva pitched a three-hitter with 10 strikeouts and one walk for host Serra (10-11, 5-2).

St. Monica 8, Cantwell Sacred Heart 7
David White went four for four with two doubles and two runs scored, Logan Gelbrich was two for three with three RBIs, including a two-run homer, and Taylor Gelbrich had the game-winning double in the bottom of the seventh for St. Monica (8-10, 5-2). The Mariners used two doubles, a hit batter and a throwing error to score three runs in the bottom of the seventh. Brandon Orona had a double, two stolen bases and three runs scored and for Chris Trujillo had a double and scored twice for Cantwell Sacred Heart (17-6-1, 7-2).

CHANNEL LEAGUE

Buena 4, Santa Barbara 3
Brian Stevens (8-0) threw a five-hitter with 10 strikeouts and three walks for No. 22 Buena (19-3, 8-1). Colin Timmons and Stevens led off the fourth with back-to-back home runs for a 4-1 lead. Fred Vazguez (7-1) threw a five-hitter with two strikeouts and three walks for No. 24 Santa Barbara (16-3, 5-2), which got a two-run double Jeff Allen in the fifth inning to draw to within one run at 4-3. The teams play again on Friday at Santa Barbara with the league title on the line.

CHRISTIAN LEAGUE

Loma Linda Academy 10, Aquinas 9