After a fairly slow start to proceedings, the Ghanaian winger scored in the second half (51st minute) as they annexed all three points with an impressive victory on home ground.
Boateng got the breakthrough with a left-footed stunner as he poked home after capitalizing on a rebound.
Argentine forward Gustavo Bou added a second in the 69th minute on a superb night for Bruce Arena's side, who had shown high tenacity throughout the match.
Orlando City answered back in the 80th minute as Duncan McGuire pulled one back but 'The Revs' doubled their lead moments later, with the impressive Carles Gil slashing out their opponents through a dangerous counterattack to finish-it-off cleverly as they bagged the maximum point.
Boateng has so far scored two goals in 16 matches, providing two assists.
By: Pascal Nii Gogo Amoah