LOWELL — Defense ruled as the St. John’s and Belmont hockey teams advanced to the Division 1 North final.The Pioneers allowed one goal in each of its three tournament games while the Marauders yielded five goals in its three postseason skates, all of which were decided by a goal.It was more of the same Monday night, fourth-seeded Belmont scoring twice in the final nine minutes to rally for a 3-2 win over No. 11 St. John’s at the Tsongas Center. […]