The Warren County High School baseball team, which had lost six of its last seven games, was defeated by the DeKalb County Tigers at home Thursday night, 5-1.Things didn’t get much better for the Pioneers in this one, after being shut out in White County on Tuesday night. The Pioneers committed three costly errors, especially in the fourth inning, a problem that has haunted them all season.Taisei Yasunaga lit up the stat sheet, going 3-for-4 with two singles, a double and one run scored. Trevor Collins suffered the loss on the mound, going seven innings, with five strikeouts and allowing five runs.The Tigers suffered two quick outs in the top of the first, but managed to get a run across courtesy of an RBI single, 1-0.