CSMs 3-on-3 Basketball Tournament. Sept. 29, 9 a.m., Sept. 30, 9 a.m., College of Southern Maryland, La Plata Campus, Physical Education Center, 8730 Mitchell Road, La Plata. CSM Athletics program is sponsoring the CSM Semi-Annual: 3-on-3 Basketball Tournament for males in grades 6 through 12. Registration begins at 8 a.m. and play begins at 9 a.m. Individuals can register to participate in the Dunk Contest or the 3-Point Shot competition. Deadline to register is Sept. 26. Fee. Call 301-934-7761, 443-550-6199, 240-725-5499 or 301-870-2309, Ext. 7761 or registration forms available at www.csmd.edu/athletics.