By Mukala Kabongo NEFJ Staff DANVERS — St. John's Prep's stifling defense bottled up Shane Eason and the high-powered Methuen offense for a 44-7 win in an MIAA D1 quarterfinal on Friday night. The top-seeded Eagles (9-1) will face fourth-seeded Needham next weekend (Day/Time/Location TBD) with a trip to the Super Bowl at Gillette Stadium on the line. Methuen falls to 8-2 with Thanksgiving Day still remaining. St. John’s Prep’s...