LA CENTER — MacKenzie Ellertson calls basketball her fun sport. The King’s Way Christian senior didn’t play basketball last season to focus on her future in soccer, but the Washington State women’s soccer signee returned for senior year to experience moments like Thursday with her teammates. “It’s so much fun,” she said. And fun the Knights had in a 39-27 road victory at La Center, claiming the program’s first-ever win over a Wildcats program that’s dominated the league the past four seasons. For Ellertson and the Knights, a shift in power might be changing in Trico girls basketball.