The Jefferson City freshman team swept a doubleheader from Helias on Saturday.
Jefferson City won the first game 12-2.
Gunnar See picked up the win on the mound, while going 4-for-4 at the plate. Cole Ahrens added four hits of his own, while Gavin Strobel had two hits and five RBI.
The Jays won the nightcap 5-1.
Brandon Williams earned the win.
Allen Roettgen and Hayden Hirschvogel both had two hits and an RBI, while Ahrens added three hits.
Jefferson City (10-0) hosts Camdenton on Monday.