Adam Gunn held the Cowlitz Black Bears (12-16) scoreless for six innings to boost the Bellingham Bells (20-10) to a 5-0 victory.
Gunn struck out two and allowed three walks and one hit.
Nathaniel Causey racked up three RBIs on one hit for the Bellingham Bells. He homered in the fourth inning.
Felipe Perez was effective even in defeat, mowing down seven the Bellingham Bells batters and allowing three runs.
Perez (0-2) was the game's losing pitcher.