Quinn Eldridge held the Grays Harbor (1-18) scoreless for six innings to boost the Tacoma (23-1) to a 3-0 victory.
Eldridge allowed six hits, one walk and struck out two.
Brett Nielsen was solid at the plate for the Tacoma. Nielsen went 1-3, drove in one and scored one run. He homered in the fifth inning.
Derik Rubin ended up on the wrong side of the pitching decision, charged with his second loss of the year. He lasted just six innings, walked two, struck out five, and allowed three runs.