Mass Rivals AAU basketball tryouts for 2010 boys teams will be held at the Greater Lawrence Technical School. Middle schoolers can try out Feb. 21 and 28: 5th and 6th graders from 6-7:15 p.m., 7th graders from 7-8:15 p.m., and 8th graders from 8-9:15 p.m. High school boys can try out Feb. 28 and March [...]