Central Valley High School's varsity baseball team had trouble manufacturing runs during its two-game series with Patterson last week.
Outscored 8-1, the Hawks lost twice to the Tigers.
The last-place Hawks dropped to 6-16 overall and 0-8 in the Western Athletic Conference standings.
The fourth-place Tigers improved to 15-6 and 5-3.
Patterson shut out Central Valley 3-0 on Friday in Ceres.
The Hawks struggled on offense, finishing 5-for-25 with seven strikeouts.
Adrian Alvarez collected two hits.
Brandon Hale, Ben Ortiz and Jorge Alvarez all singled.
Gaige Martinez, Mikie Lopez, Israel Anaya and Juan Ochoa, Central Valley's pitching staff, allowed one earned run and four hits with two strikeouts and one walk.
The Hawks committed three errors on defense.
Central Valley fell behind 2-0 in the top of the first inning.
Patterson defeated visiting Central Valley 5-1 on Wednesday.
The Hawks mustered just three hits.
Alvarez batted 1-for-3 with one RBI.
Anaya batted 1-for-2 with one run.
Alvarez batted 1-for-2.
Lopez tossed a complete game.
Mikie gave up one earned run and six hits with five strikeouts and one walk in five innings.
Central Valley contributed to its own demise by committing four errors.
Central Valley will face Livingston (10-10, 2-6) twice this week.
The Hawks will host the Wolves today and travel to Livingston on Friday.