A pair of outstanding athletes and three remarkable coaches have been selected to receive the prestigious Gold Key Award by the Connecticut Sports Writers’ Alliance. PGA golf professional Dennis Coscina, retired Granby Memorial High School field hockey coach Dot Johnson, New Canaan High School football coach Lou Marinelli, UConn women’s soccer coach Len Tsantiris and Olympic ice hockey gold medalist Gretchen Ulion-Silverman will comprise the Class of 2018, which will be honor