The UMBC men's lacrosse team will open their fall schedule Thursday when they welcome Keio University of Japan for the fifth time in the past 11 years. The time for the scrimmage at UMBC Stadium is 4:30 p.m. The Retrievers will compete in the annual Varsity vs. Alumni game Oct. 13 and close fall play at the Drexel Fall Ball event on Oct. 20; UMBC will take on Navy (1 p.m.) and Penn (3 p.m.).