By Michael Najarian NEFJ Correspondent WEST ROXBURY — Asked to describe the partnership between himself and Maxwell Parent in the St. John’s Prep backfield, Michael Salemi kept it short: “You can’t stop it.” Behind two rushing touchdowns from Salemi and two rushing TDs from Parent, including the game-winner, St. John’s Prep outlasted Catholic Memorial with a 42-35 win on the road Friday night. St. John’s (8-0) secured the Catholic Conference...