By Mukala Kabongo NEFJ Staff LYNN — Swampscott’s Henry Buettler earned MVP on Wednesday night as the South squad defeated the North 21-6 at the 63rd annual Harry Agganis All Star football game. For many players on the field, the game at Manning field was their final time putting on a football uniform. Buettler - who is set to attend Boston University in the fall - was one of those...