A 2-1 victory in the Battle of Britain tie lifted United into fourth place in the table and means a point next week should be enough to clinch a top-eight finish.
Over 3,500 Rangers supporters were officially inside the stadium but significantly more appeared to have been able to secure a seat in the home end.
Bruno Fernandes struck late to give Manchester United victory against Rangers and Heung-Min Son was Tottenham Hotspur's hero on UEFA Europa League Matchday 7.