Eastern Tech junior Shawna Dyer had team-highs in kills (12) and aces (5) as the host Mavericks defeated Towson, 25-23, 25-23, 25-15 Monday night. In the tightly-contested first two sets, Dyer produced clutch kills. The first set was tied at 20 when the Mavericks scored four straight points, but the Generals rallied to within one…