School Sports Roundup: Lynn Tech Unified basketball stays unbeaten

The Lynn Tech Unified basketball team kept its undefeated season alive Tuesday afternoon, notching a 36-30 win over Marblehead on the road. Defense and rebounding were the keys to the victory, according to coach Justin Barrasso.  The Tigers are now 3-0 and play against Danvers on Tuesday (4). SWIMMING Lynn Tech 84, Greater Lawrence 43…