Collin Cairns struck out six batters over three innings and Abe Katz drove in three runs to lead Collingswood to a 7-6 victory over West Deptford in a Colonial Conference Liberty Division game at Knight’s Park in Collingswood.Katz finished 2-for-3 with two doubles and was hit by a pitch. Kyle Mears scored twice and stole a base for Collingswood (7-8, 4-3).