D.C. United came into Saturday night’s game both optimistically and urgently. An animated crowd of 21,022 cheered enthusiastically as United was presented with the Supporter’s Shield. The match at hand would provide them with a quality opponent, the New England Revolution, indicative of the competition they would confront in the rapidly-approaching MLS Cup playoffs. Such a stage would seem the perfect situation to right the ship and make a bold statement before entering the…