DC United scored three first-half goals to take a commanding lead, which saw them down NYCFC with ease.
Toronto FC's Tosaint Ricketts found a late equaliser to even up the score 2-2 against the Montreal Impact.
Montreal Impact clinch a playoff spot with draw against Toronto; D.C. United in after beating New York City FC; New England Revolution lose.
Major League Soccer: David Accam (80') Chicago Fire 2-1 New England Revolution
Major League Soccer: Andre Blake (79') Philadelphia 0-1 Orlando City
Soon after being subbed in for Toronto, Tosaint Ricketts nets a goal in the 86th minute to tie it at 2 with Montreal.