MARYVILLE, Mo. – The Northwest Missouri State University volleyball team picked up a 3-0 sweep of the No. 25-ranked Washburn University Ichabods as Olivia Dir recorded a career-high tying 18 kills. Northwest won by set scores of 25-19, 25-21 and 25-19. Northwest moved its record to 13-10 overall and 8-7 in MIAA play. Washburn dropped to 14-8 overall and 8-7 in league play. Dir tied her career-high as she pounded down 18 kills. She also tallied 15 digs for her fifth career double-double. Dir came out strong with five first-set kills. She upped her production in the second set with…