And then there were eight.
With the Chicago Fire advancing in Thursday's final US Open Cup fourth-round match from Toyota Park, the quarterfinal field is set for this year's edition of the tournament.
QF1: New England Revolution at D.C. United (Maryland SoccerPlex)
QF2: Orlando City SC (USL PRO) at Chicago Fire (Toyota Park)
QF3: Carolina RailHawks (NASL) at Real Salt Lake (Rio Tinto Stadium)
QF4: Portland Timbers at FC Dallas (FC Dallas Stadium)
With two weeks until the quarterfinals are played, who do you think stands as the favorite in the competition?
Vote in the poll on the right and let us know the reasons behind your pick in the comments below.