The defending WIAA Class 1A Trico League softball champion Columbia High Bruins (6-0 league, 8-3) remained undefeated in the six-team league standings after sweeping a three-game series last week against the Castle Rock High Rockets (3-3 league, 5-6 overall).

The Bruins swept a doubleheader, 5-3 and 11-4, over the Rockets on April 16, followed by a 9-4 win April 19 at Castle Rock High School.